Inventor · Plymouth, MN, US

Gerald A. Jensen

29Patents
7h-index
31Co-inventors
69Inventor score

Filing activity: Jul 10, 1973 → Dec 12, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US4114349A Automatic sorting, conveying and packing mechanism for photographic prints Performing Operations; Transporting 27 Expired
US4139978A Automatic photographic print and film packaging mechanism Physics 24 Expired
US4543771A Photographic slide mounter Emerging Cross-Sectional Technologies 18 Expired
US7177537B1 Automated portrait studio Physics 14 Expired
US4496985A Line-locked digital fluorography system Electricity 10 Expired
US4340213A Print stacking apparatus with print deflecting flap Physics 10 Expired
US5389993A Automated photographic backdrop apparatus Physics 9 Expired
US3981496A Stripping and transfer roller assembly for sheet film processors Emerging Cross-Sectional Technologies 7 Expired
US4017179A Automatic density control Physics 7 Expired
US4082943A Method and apparatus for read and print data Physics 7 Expired
US4146907A Multiple frame projector for TV viewing system Emerging Cross-Sectional Technologies 5 Expired
US4151657A Film dryer Mechanical Engineering; Lighting; Heating 5 Expired
US5563675A Special effects carrier Physics 5 Expired
USD341131S Image recorder General 4 Expired
US4086836A Multiple frame projector for TV viewing system Emerging Cross-Sectional Technologies 4 Expired
US5275347A Autothread mechanism for strip material Physics 4 Expired
US7406256B1 Automated portrait studio Physics 4 Active
US3992097A Mounting device for printing copying camera Physics 3 Expired
US4040928A Specific ion sensor and method of manufacture Physics 2 Expired
US5949523A High speed package printer Physics 2 Expired
US4370184A Photographic film splicer Emerging Cross-Sectional Technologies 1 Expired
US4375490A Photographic film splice Emerging Cross-Sectional Technologies 1 Expired
US6211943A Apparatus and method for improving print quality of high speed package printer Physics 1 Expired
US6252652A High speed package printer Physics 1 Expired
US6014201A High speed package printer Physics 1 Expired

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