Inventor
Jobst U. Gellert
Inventor
Georgetown, CA
Overview
Patents· 191 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B29Cprimary
B29CShaping or joining of plastics58%
Y10TTechnical subjects covered by former us classification12%
B23PMetal-working not otherwise provided for10%
H05BElectric heating6%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%
B22DCasting of metals3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
B22FWorking metallic powder1%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering1%
C23CCoating metallic material1%
PatentTitleYear
7,438,551'Compact cartridge hot runner nozzle'20087,413,432'Compact cartridge hot runner nozzle'20087,377,768'Hot runner nozzle with removable sleeve'20087,326,049'Cast hot runner manifold for injection molding apparatus'20087,198,740'Lateral gating injection molding apparatus'20077,108,502'Hot runner nozzle with interlaced heater and sensor'20067,040,378'Manifold with film heater'20067,025,585'Mold gate insert with a thermal barrier'2006RE038920'Injection molding nozzle screwed into a mounting base'20056,776,600'Injection molding machine for producing injection-molded articles'20046,761,557'Compact cartridge hot runner nozzle'20046,701,997'Injection molding component with heating element and method of making'2004RE038396'Method of making injection molding cooled thread split inserts'20046,655,945'Apparatus and method for multi-layer injection molding'20036,648,622'Apparatus and method for multi-layer injection molding'20036,638,053'Compact cartridge hot runner nozzle'2003RE038265'Injection molding apparatus having a cooled core'20036,625,873'Method of making an injection molding nozzle with tip insert'20036,561,789'Compact cartridge hot runner nozzle'20036,488,881'Injection molding cooled cavity insert'20026,454,558'Melt transfer system'20026,447,283'Injection molding heater with melt bore therethrough'20026,440,350'Apparatus and method for multi-layer injection molding'20026,405,785'Injection molding component with heating element and method of making'20026,394,784'Compact cartridge hot runner nozzle'20026,350,401'Method of multi-layer injection molding'20026,323,465'Externally heated hot-runner nozzle with resistance wire'20016,318,990'Injection molding nozzle apparatus'20016,302,680'Injection molding apparatus with removable nozzle seal'20016,286,751'Method of making an injection molding melt dividing bushing'20016,274,075'Five layer injection molding apparatus having four position valve member actuating mechanism'20016,270,711'Injection molding apparatus having a melt bore through the front end of the pin'20016,230,384'Method of making an injection molding cylindrical manifold insert'20016,196,826'Seepage system for an injection molding apparatus'20016,176,700'Injection molding cooled cavity insert'20016,162,043'Injection molding nozzle screwed into a mounting base'20006,135,751'Injection molding apparatus having melt dividing bushings'20006,113,381'Injection molding valve member actuating mechanism'20006,099,780'Method of three layer injection molding with sequential and simultaneous coinjection'20006,095,790'Injection molding cylindrical manifold insert and method'20006,079,972'Injection molding cooling core having spiral grooves'20006,077,067'Injection molding apparatus having a cooling core with a ribbed cap'20006,074,191'Five layer injection molding apparatus having four position valve member actuating mechanism'20006,062,841'Sprue gated multi-layer injection molding apparatus'20006,030,202'Injection molding three portion gate and cavity insert'20006,017,209'Injection molding cooled gate insert'20006,009,616'Method of making an injection molding nozzle with tip insert'20005,980,236'Injection molding apparatus having nozzles with elongated mounting flanges'19995,955,121'Injection molding apparatus with insert secured through the manifold to a nozzle'19995,952,016'Side gated injection molding apparatus with actuated manifold'19995,942,257'Multi-layer injection molding apparatus having three position valve member'19995,935,621'Injection molding apparatus having a cooled core'19995,935,615'Injection molding apparatus having a melt bore through the front end of the pin'19995,935,616'Injection molding apparatus having inter-manifold melt transfer bushings'19995,930,882'Method of making injection molding cooled thread split inserts'19995,853,777'Nozzle retaining apparatus'19985,849,343'Injection molding apparatus with a one-piece gate insert locating a cylindrical valve member'19985,843,361'Injection molding manifolds with melt connector bushing'19985,820,899'Injection molding nozzle with edge gate inserts and sealing ring'19985,795,599'Injection molding nozzle guide and sealing ring'19985,792,493'Connector bushing for injection molding manifolds'19985,720,995'Injection molding manifolds with melt connector bushing'19985,705,202'Four heated nozzle manifolds interconnected in a common plane'19985,658,604'Injection molding carbide torpedo'19975,652,003'Injection molding nozzle with radial vanes'19975,641,526'Injection molding nozzle manifold'19975,614,233'Injection molding nozzle with pressed in heating element and integral collar portion'19975,599,567'Cooled thread split inserts for injection molding preforms'19975,536,165'Injection molding apparatus with nozzle advanceable to mount side gate seals'19965,507,635'Injection molding nozzle with separable core and one-piece collar'19965,507,636'Injection holding heated nozzle with protective tubes'19965,494,433'Injection molding hot tip side gate seal having a circumferential rim'19965,474,440'Injection molding nozzle with collar having locating and retaining lug protions'19955,460,510'Valve gated stack injection molding apparatus'19955,443,381'Injection molding one-piece insert having cooling chamber with radial rib portions'19955,441,197'Method of manufacturing injection molding manifold having a melt passage with an elbow'19955,437,093'Method of making an injection molding nozzle'19955,429,491'Injection molding nozzle with removable collar portion'19955,427,519'Injection molding nozzle with helical cooling conduit'19955,421,716'Injection molding nozzle with two removable inserts'19955,387,099'Injection molding valve member sealing bushing with a thin collar portion'19955,366,370'Injection molding apparatus with perpendicular hot tip gates'19945,366,369'Injection molding insert having an aligned pin and melt inlet'19945,346,388'Injection molding nozzle which retains a thermocouple element'19945,334,008'Injection molding nozzle insert with valve member locating blades'19945,326,251'Heated injection molding nozzle with alternate thermocouple bores'19945,318,434'Injection molding torpedo providing a fixed ring gate'19945,312,242'Injection molding nozzle with thermocouple tube'19945,299,928'Two-piece injection molding nozzle seal'19945,284,436'Injection molding torpedo with shaft having ceramic central portion'19945,282,735'Injection molding nozzle with partially unheated heating element'19945,269,676'Injection molding nozzle insert'19935,268,184'Injection molding nozzle with removable forward member'19935,238,378'Coinjection molding apparatus having rotary axial actuating mechanism'19935,235,737'Method of making an injection molding nozzle with a heating element extending outward between adjacent collar portions'19935,223,275'Multi-cavity injection moulding system'19935,206,040'Injection molding sealing collar with a central hot tip shaft'19935,148,594'Method of manufacturing an injection molding probe'19925,135,377'Injection molding nozzle for an injection molding system'19925,125,827'Injection molding apparatus having an insulative and resilient spacer member'19925,122,050'Injection molding probe with a longitudinal thermocouple bore and off center heating element'19925,118,279'Injection molding apparatus with angled tip probe'19925,118,280'Injection molding apparatus with integral cooling in a forward portion of the nozzle'19925,106,291'Injection molding apparatus with heated valve member'19925,096,411'Injection molding cast manifold'19925,094,603'Thermal valve gated injection molding apparatus with melt distribution plate'19925,061,174'Injection molding apparatus having separate heating element in the cavity forming insert'19915,051,086'Insulated injection molding nozzle'19915,049,062'Injection molding system having spring biased nozzles'19915,046,942'Injection molding nozzle having tapered heating element adjacent the bore'19915,030,084'Pre-wired injection molding assembly'19915,028,227'Injection molding nozzle with replaceable gate insert'19915,015,170'Injection molding cooled socket holder for a heated nozzle'19915,002,480'Injection molding insulated valve member'19915,000,675'Injection molding manifold and nozzle having laterally clamped flanges'19914,979,892'Injection molding nozzle with self-supporting actuating mechanism'19904,945,630'Method of making a selected size injection molding nozzle'19904,941,249'Method of making an injection molding nozzle having nose portion with heating element encircling the bore'19904,938,681'Injection molding system having offset valve pin biasing mechanism'19904,932,858'Injection molding system having dual feed bushing seated in manifold'19904,931,009'Injection molding system having a thermal locating flange'19904,923,387'Injection molding system having a valve member with a ribbed insulative portion'19904,921,708'Injection molding nozzle having circumferentially spaced conductive probes'19904,919,606'Injection molding rack and pinion valve pin actuating mechanism'19904,917,594'Injection molding system with gas flow through valve gate'19904,917,593'Injection molding system having valve member split ring'19904,911,636'Injection molding nozzle having nose portion with heating element encircling the bore'19904,892,474'Profiled plate heaters for injection molding nozzles'19904,891,001'Sprue gated stack injection molding system'19904,875,848'Injection molding heated gate insert and method'19894,865,535'Injection molding nozzle having multiple thickness heating element'19894,854,851'Injection molding system with insertable insulating ring'19894,837,925'Method of manufacture of an electrical terminal on an injection molding nozzle'19894,836,766'Injection molding valve gating one of two nozzles in tandem'19894,820,147'Injection molding elongated probe having integral heating element and locating means'19894,810,184'Injection molding system having manifold with side mounted nozzles'19894,795,338'Mounting for injection molding nozzle'19894,795,337'Coated injection molding nozzle'19894,793,795'Injection molding system having clamped rotatable nozzles and method'19884,787,840'Injection molding single nozzle valve gating'19884,786,246'Injection molding multiple nozzle valve gating system'19884,777,348'Injection molding probe with insulation and locating hoop portion'19884,773,154'Method of manufacture of injection molding nozzle having grounded heating element brazed into pointed tip'19884,771,534'Method of manufacture of injection molding nozzle electrical terminal'19884,771,164'Injection molding nozzle and method'19884,768,283'Coated injection molding nozzle and method'19884,768,945'Injection molding nozzle having grounded heating element brazed into pointed tip'19884,761,343'Injection molding manifold system having balanced bridging manifold'19884,688,622'Injection molding manifold member and method of manufacture'19874,669,971'Valve gated probe'19874,663,811'Manufacturing method for selected gate configuration injection molding nozzles'19874,648,546'Composite plate method of manufacturing injection molding manifold'19874,611,394'Method of manufacture of an injection molding integral heated probe'19864,586,887'Injection molding nozzle probe and stack molding apparatus'19864,583,284'Method of manufacture of injection molding heated nozzle with brazed in heating element'19864,579,520'Injection molding valve gated system'19864,576,567'Injection molding system having an insulation sleeve'19864,557,685'Heated nozzle for injection molding apparatus'19854,521,179'Injection molding core ring gate system'19854,468,191'Hydraulically actuated injection molding system with alternate hydraulic connections'19844,451,974'Pressure casting process'19844,450,999'Injection molding hot tip seal'19844,446,360'Sprue bushing connector assembly'19844,439,915'Heater installation in molding members'19844,438,325'Tubular elongated injection molding electric heating element with spacer clips'19844,433,969'Injection molding valve pin bushing and method'19844,406,609'Valve pin and method of manufacture'19834,403,405'Sprue bushing connector assembly method'19834,386,262'Sprue bushing with cast in electrical heating element'19834,376,244'Injection molding heated probe'19834,355,460'Sprue bushing and method of manufacture'19824,344,750'Edge gated injection molding system with hollow seals'19824,330,258'Injection molding mechanical double acting valve pin actuator'19824,303,382'Melt spinning nozzle tip'19814,286,941'Injection molding nozzle seal'19814,280,908'Injection molding filter assembly'19814,279,588'Hot tip seal'19814,256,584'Injection molding filter assembly'19814,244,909'Stack injection molding melt transfer system'19814,238,671'Sprue bushing with cast in heater element'19804,234,080'Collapsible container'19804,222,733'Injection molding flow control mechanism'19804,212,626'Stack injection molding melt transfer system'19804,212,627'Injection molding valve pin actuator mechanism'19804,125,352'Thermal valve pin'19784,094,447'Heater cast for multi-cavity hot runner edge gate'19784,053,271'Valve-gated injection molding mechanism'19774,046,359'Injection molding filter assembly'19774,043,740'Injection molding nozzle seal'19774,026,518'Bushing seal for valve-gated injection mold'19774,013,393'Valve-gated injection molding mechanism'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–2006Patents assigned to GELLERT JOBST U (99)· patent assignee history
1977–1981Based in Brampton, CA· patent location history
1980–2007Patents assigned to MOLD MASTERS LTD (50)· patent assignee history
1980–2005Based in Georgetown, CA· patent location history
1981–2004Based in Glen Williams, CA· patent location history
1983Based in Glen Willisms, CA· patent location history
2004–2005Patents assigned to GELLERT JOBST ULRICH (2)· patent assignee history
2004Patents assigned to ZAHORANSKY ANTON GMBH & CO (1)· patent assignee history
2004–2008Based in Oakville, CA· patent location history
2008Patents assigned to MOLD MASTERS 2007 LTD (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GELLERT JOBST Uself | 99 | 1977–2006 |
| MOLD MASTERS LTD | 50 | 1980–2007 |
| MOLD MASTERS 2007 LTD | 4 | 2008 |
| GELLERT JOBST ULRICHself | 2 | 2004–2005 |
| ZAHORANSKY ANTON GMBH & CO | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Georgetown, CA | 147 | 1980–2005 |
| Glen Williams, CA | 22 | 1981–2004 |
| Brampton, CA | 12 | 1977–1981 |
| Oakville, CA | 9 | 2004–2008 |
| Glen Willisms, CA | 1 | 1983 |