Inventor · Otterstadt, DE

Gerhard Hoffmann

77Patents
18h-index
93Co-inventors
87Inventor score

Filing activity: Feb 19, 1975 → Oct 26, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5630227A Satellite receiver having analog-to-digital converter demodulation Electricity 114 Expired
US4385109A Method of making a relief plate using a photopolymerizable recording composition Emerging Cross-Sectional Technologies 85 Expired
US5608800A Process for detecting unauthorized introduction of any data transmitted by a transmitter to a receiver Electricity 41 Expired
US4419427A Electrophotographic medium with perylene-3,4,9,10-tetracarboxylic acid N,N'-bis-(2',6'-dichlorophenyl)-diimide Physics 39 Expired
US4292152A Photopolymerizable recording composition containing acylphosphine oxide photoinitiator Emerging Cross-Sectional Technologies 35 Expired
US4429029A Organic electrophotographic recording medium Physics 34 Expired
US4291501A Device for counterbalancing a swivelable body part on a motor vehicle Fixed Constructions 29 Expired
US5772192A Workbench, in particular for welding and structural steel work Emerging Cross-Sectional Technologies 28 Expired
US4576898A Process of making photopolymer relief plates using an adhesive layer Physics 26 Expired
US5035979A Radiation-sensitive mixture Physics 23 Expired
US5950974A Arrangement for fastening and wiring of a plurality of electrical units, particularly in a switchgear cabinet Emerging Cross-Sectional Technologies 22 Expired
US4868091A Photopolymerizable recording material, in particular for the production of printing plates and relief plates Emerging Cross-Sectional Technologies 22 Expired
US4959285A Flexographic relief printing plate Emerging Cross-Sectional Technologies 21 Expired
US7050584B1 Method and system for regenerating a private key for a predetermined asymmetric cryptographic key pair Electricity 20 Expired
US4599293A Toner transfer process for transferring and fixing a toner image by means of film Physics 20 Expired
US5831216A Profile strip of insulating material having primary and secondary teeth for holding many electrical cables Emerging Cross-Sectional Technologies 20 Expired
US4556622A Electrophotographic recording material whose photoconductor layer contains a halogenated perylene dye sensitizer Physics 19 Expired
US4710446A Photosensitive recording materials Emerging Cross-Sectional Technologies 19 Expired
US4517270A Electrophotographic recording medium Chemistry; Metallurgy 18 Expired
US4464477A Process for the recovery and reuse of heavy metal oxidation catalyst from residues in the Witten DMT process Emerging Cross-Sectional Technologies 16 Expired
US4355093A Laminate useful for the production of printing plates and relief plates Physics 16 Expired
US6897625B2 Load-dependent asynchronous drive for a transport path Performing Operations; Transporting 16 Expired
US5298367A Production of micromoldings having a high aspect ratio Emerging Cross-Sectional Technologies 15 Expired
US4739053A 2H-v-triazolo[4-5-d]pyrimidines Physics 15 Expired
US4806452A Production of flexographic relief plates by photopolymerization and development with a monoterpene developer Physics 14 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.