Inventor
Robert F. Evans
Inventor
La Habra, CA, US
Overview
Patents· 66 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling27%
H01RElectrically-conductive connections21%
Y10TTechnical subjects covered by former us classification6%
A61MDevices for introducing media into, or onto, the body5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
F16CShafts4%
G16HHealthcare informatics, i.e. information and communication technology [ict] specially adapted for the handling or processing of medical or healthcare data3%
H05BElectric heating3%
H05KPrinted circuits3%
B23KSoldering or unsoldering2%
PatentTitleYear
10,385,557Connector for bathtub tailpipe to drain pipe20199,551,138'Connector for bathtub tailpipe to drain pipe'20178,987,640'Axial resistance sheathed heater'20158,497,452'Axial resistance sheathed heater'2013RE041283'Power connector with safety feature'20107,637,784'Disk drive interposer'20097,310,875'Connector for high-speed communications'20077,162,149'Gaseous fluid generation system'20077,140,925'Power connector with safety feature'20067,115,113'Drug delivery and monitoring system'20067,074,209'Drug delivery and monitoring system'20067,037,142'Power connector with safety feature'20066,848,944'Connector for high-speed communications'20056,685,678'Drug delivery and monitoring system'2004D0485356'Syringe label cradle'20046,672,881'Ball grid array socket'2004D0481121'Syringe label cradle'2003RE038189'Medication delivery and monitoring system and methods'20036,575,762'Connection of coaxial cable to a circuit board'20036,456,785'Resistance heating element'20026,443,740'Connector system'20026,120,306'Cast coax header/socket connector system'20005,971,806'Electrical connector for connecting conductor areas of a flexible circuit with associated conductor pads of a circuit board'19995,651,775'Medication delivery and monitoring system and methods'19974,948,379'Separable, surface-mating electrical connector and assembly'19904,886,130'Nutational technique for limiting well bore deviation'19894,722,404'Drill bit bearing seal'19884,687,066'Rock bit circulation nozzle'19874,666,000'Rock bit cutter retainer'19874,624,329'Rotating cutter drill set'19864,552,228'Low pressure differential compensator'19854,494,749'Seal assemblies'19854,478,295'Tuned support for cutting elements in a drag bit'19844,452,539'Bearing seal for rotating cutter drill bit'19844,386,669'Drill bit with yielding support and force applying structure for abrasion cutting elements'19834,386,458'Fatigue resistance for coupling and connection joint mechanisms'19834,346,591'Sensing impending sealed bearing and gage failure'19824,335,791'Pressure compensator and lubricating reservoir with improved response to substantial pressure changes and adverse environment'19824,307,786'Borehole angle control by gage corner removal effects from hydraulic fluid jet'19814,295,254'Transmission line cable applicator machine'19814,294,492'Caliper seal assembly'19814,291,773'Strictive material deflectable collar for use in borehole angle control'19814,287,957'Cooling a drilling tool component with a separate flow stream of reduced-temperature gaseous drilling fluid'19814,262,758'Borehole angle control by gage corner removal from mechanical devices associated with drill bit and drill string'19814,245,644'Breast prosthesis or augmenting form including spring-mass system'19814,240,586'Method and apparatus for crushing and classifying particulate material'19804,240,695'Optical fibers connector'19804,240,674'Positive lubricating and indexing bearing assembly'19804,211,292'Borehole angle control by gage corner removal effects'19804,209,684'Fusion technique of assembling rotary drill bit and adjusting gage of cutting elements'19804,193,463'Drilling bit fluid-cooled friction bearing'19804,151,051'Electrodeposition mining of materials from natural water bodies'19794,148,368'Rock bit with wear resistant inserts'19794,144,936'Down hole milling or grinding system'19794,127,043'Rock bit with welded bearing pins'19784,126,194'Rock bit with extended pickup tube'19784,125,167'Big hole bit'19784,109,991'Self-stripping electrical connector and terminal'1978T0970002'Cutting elements for drill bits'19784,068,915'Electrical connector'19784,017,138'Substrate connector'19774,005,921'Transmission cable connector and termination method'19774,002,400'Electrical connector'19773,997,233'Flat conductor cable connector'19763,963,317'Zero force edge connector block'19763,941,448'Connector block'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1990Patents assigned to DU PONT (11)· patent assignee history
1976–1981Based in New Cumberland, PA, US· patent location history
1978–1980Patents assigned to SMITH INTERNATIONAL (6)· patent assignee history
1978–1985Based in La Habra, CA, US· patent location history
1979–1989Patents assigned to EVANS ROBERT F (18)· patent assignee history
1984–1989Based in Dallas, TX, US· patent location history
1997–2006Based in Mobile, AL, US· patent location history
1999–2010Based in Bedford, NH, US· patent location history
2002–2010Patents assigned to FCI AMERICAS TECHNOLOGY INC (9)· patent assignee history
2003–2006Patents assigned to DOCUSYS INC (6)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EVANS ROBERT Fself | 18 | 1979–1989 |
| DU PONT | 11 | 1976–1990 |
| FCI AMERICAS TECHNOLOGY INC | 9 | 2002–2010 |
| DOCUSYS INC | 6 | 2003–2006 |
| SMITH INTERNATIONAL | 6 | 1978–1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| La Habra, California, US | 24 | 1978–1985 |
| Bedford, NH, US | 11 | 1999–2010 |
| New Cumberland, Pennsylvania, US | 9 | 1976–1981 |
| Mobile, AL, US | 7 | 1997–2006 |
| Dallas, Texas, US | 7 | 1984–1989 |