Inventor · Offenbach, DE

Josef Mathes

17Patents
8h-index
16Co-inventors
65Inventor score

Filing activity: Feb 27, 1979 → Sep 29, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US4869166A Sheet pressing means for a multi-color sheet-fed rotary press Performing Operations; Transporting 14 Expired
US5598779A Sheet guiding apparatus for a turning device in a rotary printing machine for face-printing and/or perfecting Performing Operations; Transporting 14 Expired
US4583728A Auxiliary gripper drive Emerging Cross-Sectional Technologies 12 Expired
US4222326A Mechanism for controlling and smoothing a conveyed sheet in a multi-color printing press particularly applicable to printing in the verso mode Performing Operations; Transporting 12 Expired
US4530283A Changeover protection system for perfecting printing machines Performing Operations; Transporting 11 Expired
US4852488A Sheet transfer drum for a printing press Performing Operations; Transporting 9 Expired
US5234270A Axially-aligning eccentrically-adjustable three-ring anti-friction roller bearing Mechanical Engineering; Lighting; Heating 9 Expired
US4796529A Sheet turning device for rotary presses of the in-line type Performing Operations; Transporting 8 Expired
US4408526A No-play gear drive for printing machines Emerging Cross-Sectional Technologies 7 Expired
US4664032A Vertically adjustable gripper supports for the grippers of reversing drums of perfecting presses Performing Operations; Transporting 7 Expired
US5265528A Clutch mechanism for releasing the gears of a double gearwheel drive in a printing press Performing Operations; Transporting 6 Expired
US5302046A Clamping mechanism for frictionally engaging and securing together gear drive components Emerging Cross-Sectional Technologies 6 Expired
US4563951A Clamping and adjusting device for the smoothing means on the storage cylinder of a sheet offset press Performing Operations; Transporting 6 Expired
US5142983A Spring-biased suction transfer actuation system for a multi-color sheet-fed rotary printing press Performing Operations; Transporting 3 Expired
US5152186A Gearwheel for the drive of offset press cylinders Emerging Cross-Sectional Technologies 3 Expired
US5117703A Gearwheel for the drive of offset press cylinders Emerging Cross-Sectional Technologies 2 Expired
US4711173A Changing drive for the distributing rollers of at least one inking unit of a printing unit of an offset rotary press Performing Operations; Transporting 2 Expired

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