Inventor
Gerhard Hoffmann
Inventor
Otterstadt, DE
Overview
Patents· 77 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
G03GElectrography9%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
C09DCoating compositions, e.g. paints, varnishes or lacquers7%
Y10TTechnical subjects covered by former us classification5%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
B29CShaping or joining of plastics3%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments3%
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. inserts2%
PatentTitleYear
D0869528Electric actuator20197,321,968'Method and apparatus for encoding, transmitting and decoding a digital message'20087,243,070'Speech recognition system and method for operating same'20077,050,584'Method and system for regenerating a private key for a predetermined asymmetric cryptographic key pair'20066,897,625'Load-dependent asynchronous drive for a transport path'20055,950,974'Arrangement for fastening and wiring of a plurality of electrical units, particularly in a switchgear cabinet'19995,831,216'Profile strip of insulating material having primary and secondary teeth for holding many electrical cables'19985,772,192'Workbench, in particular for welding and structural steel work'19985,630,227'Satellite receiver having analog-to-digital converter demodulation'19975,608,800'Process for detecting unauthorized introduction of any data transmitted by a transmitter to a receiver'19975,518,865'Production of microstructure elements'19965,494,535'Modification of metal surfaces'19965,493,003'Solutions of polyimide-forming substances and their use as coating materials'19965,489,644'Solutions of polyimide-forming coating materials'19965,478,917'Solutions of polyimide-forming substances and their use as coating compositions'19955,461,091'Heat curable cathodic electrocoating composition'19955,446,084'Synthetic resins'19955,415,977'Production of micromoldings having a high aspect ratio'19955,401,823'Binders for electrocoating'19955,385,977'Polymeric reaction products'19955,384,386'Synthetic resins'19955,356,511'Production of a polymer/metal or polymer/semiconductor composite'19945,350,663'Production of structured layers of heat-resistant polycondensates'19945,350,636'Synthetic resin'19945,336,722'Polymeric reaction products'19945,302,421'Production of microstructure elements'19945,298,367'Production of micromoldings having a high aspect ratio'19945,274,011'Cationic resins based on copolymers of butadiene and acrylonitrile'1993D0342482'Wiring rack'19935,258,460'Polymeric reaction products'19935,114,831'Photopolymerizable laminating material'19925,035,979'Radiation-sensitive mixture'19915,034,305'Radiation-sensitive mixture'19914,959,285'Flexographic relief printing plate'19904,933,261'Element having a layer containing a mixture which can be crosslinked by photopolymerization'19904,925,775'Process for improving the ozone resistance of relief printing plates'19904,921,775'Elements having layers containing mixtures which can be crosslinked by photopolymerization'19904,900,795'Polymer ammonium salts'19904,868,091'Photopolymerizable recording material, in particular for the production of printing plates and relief plates'19894,849,307'Photosensitive recording materials having a novel graft copolymer binder'19894,816,379'Production of relief plates and printing plates by a positive-working method'19894,806,452'Production of flexographic relief plates by photopolymerization and development with a monoterpene developer'19894,743,521'Electrophotographic material with mxiture of charge transport materials'19884,739,053'2H-v-triazolo[4-5-d]pyrimidines'19884,724,338'Generation of narrow-band, delayed electrical pulses'19884,710,446'Photosensitive recording materials'19874,705,615'Electrode arrangement for the electrochemical metal erosion process for producing a tooth system'19874,682,011'Furnace for the partial heat treatment of work tools'19874,643,963'Photopolymerizable recording materials containing cyclic pentadienes for the production of printing plates, and the production of printing plates using these recording materials'19874,599,293'Toner transfer process for transferring and fixing a toner image by means of film'19864,599,017'Method of and device for automatic charging a plurality of receiving stations with pulverized material'19864,576,898'Process of making photopolymer relief plates using an adhesive layer'19864,559,285'Electrophotographic recording materials containing a metal acetylacetonate'19854,556,622'Electrophotographic recording material whose photoconductor layer contains a halogenated perylene dye sensitizer'19854,556,621'Electrophotographic recording material containing a metal-1,3-diketone complex'19854,547,454'Photosensitive multi-layer material and preparation of adhesive layers employed therein'19854,533,612'Electrophotographic recording materials containing special charge carrier-transporting compounds'19854,517,270'Electrophotographic recording medium'19854,481,272'Layered electrophotographic recording medium comprising heterocyclic nitrogen containing organic dye compounds'19844,465,857'Phenylhydrazones'19844,464,477'Process for the recovery and reuse of heavy metal oxidation catalyst from residues in the Witten DMT process'19844,456,672'Electrophotographic recording materials containing triazole charge carrier-transporting compounds'19844,429,029'Organic electrophotographic recording medium'19844,419,427'Electrophotographic medium with perylene-3,4,9,10-tetracarboxylic acid N,N\'-bis-(2\',6\'-dichlorophenyl)-diimide'19834,401,749'Multi-layer elements suitable for the production of printing plates and relief plates, and their production'19834,396,695'Electrophotographic medium with heterocyclic azo photoconductor'19834,394,243'Electrode for an electrochemical metal machine process'19834,389,475'Multilayered electrophotographic recording medium'19834,387,157'Photosensitive multi-layer material and preparation of adhesive layers employed therein'19834,385,109'Method of making a relief plate using a photopolymerizable recording composition'19834,357,414'Laminate useful for the production of printing plates and relief plates'19824,355,093'Laminate useful for the production of printing plates and relief plates'19824,292,152'Photopolymerizable recording composition containing acylphosphine oxide photoinitiator'19814,291,501'Device for counterbalancing a swivelable body part on a motor vehicle'19814,189,322'Photopolymerizable compositions for the production of printing plates and relief plates containing dianthronyl or bisanthrone compound'19804,017,183'Apparatus for the production of exposed printing plates'19774,011,084'Fluid photo-crosslinkable compositions for the manufacture of relief printing plates'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1996Patents assigned to BASF AG (48)· patent assignee history
1977–1980Based in Speyer, DE· patent location history
1981Patents assigned to BAYERISCHE MOTOREN WERKE AG (1)· patent assignee history
1981–1996Based in Otterstadt, DE· patent location history
1983–1987Patents assigned to DAIMLER BENZ AG (2)· patent assignee history
1993–1996Patents assigned to BASF LACKE & FARBEN (12)· patent assignee history
1993–1999Based in Backnang, DE· patent location history
1997–2007Patents assigned to SIEMENS AG (3)· patent assignee history
2006–2008Based in München, DE· patent location history
2019Based in Enkenbach-Alsenborn, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 48 | 1977–1996 |
| BASF LACKE & FARBEN | 12 | 1993–1996 |
| SIEMENS AG | 3 | 1997–2007 |
| DAIMLER BENZ AG | 2 | 1983–1987 |
| BAYERISCHE MOTOREN WERKE AG | 1 | 1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Otterstadt, DE | 57 | 1981–1996 |
| Backnang, DE | 3 | 1993–1999 |
| Speyer, DE | 3 | 1977–1980 |
| München, DE | 2 | 2006–2008 |
| Enkenbach-Alsenborn, DE | 1 | 2019 |