Inventor

Willi Becker

84Patents
14h-index
46Co-inventors
84Inventor score

Filing activity: Nov 22, 1974 → Jun 29, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US6581517B1 Printing-machine cylinder, especially an impression cylinder, for a sheet-fed rotary printing machine, and method of production Performing Operations; Transporting 67 Expired
US4082376A Bearing arrangement Mechanical Engineering; Lighting; Heating 53 Expired
US4204471A Printing machine transfer drum adjustable to variable sheet lengths Performing Operations; Transporting 47 Expired
US4024814A Transfer drum in sheet-fed rotary printing presses Performing Operations; Transporting 45 Expired
US4127265A Sheet sensing device in a rotary printing press Performing Operations; Transporting 44 Expired
US4036565A Pump construction Mechanical Engineering; Lighting; Heating 38 Expired
US4014261A Conversion device of a storage drum for sheet transfer Performing Operations; Transporting 28 Expired
US4084834A Mobile home frame Fixed Constructions 24 Expired
US4541772A Pump with magnetic bearings Mechanical Engineering; Lighting; Heating 24 Expired
US5439029A Rotary leadthrough Emerging Cross-Sectional Technologies 24 Expired
US4202268A Transfer drum for printing presses with devices for gripping the leading and trailing edges of a sheet which is being imprinted Performing Operations; Transporting 22 Expired
US4111595A Turbomolecular pump with magnetic mounting Mechanical Engineering; Lighting; Heating 15 Expired
US4147105A Protective device for a perfector printing press Performing Operations; Transporting 14 Expired
US5537922A Press-on device in a printing unit of a printing press Emerging Cross-Sectional Technologies 14 Expired
US4502832A Turbo-molecular pump Mechanical Engineering; Lighting; Heating 13 Expired
US5031531A Device for adjusting the rotational position of a cylinder of a turning device in a rotary printing press and for axially displacing an adjusting member for a gripper change-over on the cylinder Performing Operations; Transporting 12 Expired
US4815379A Sheet transfer cylinder between printing units of a rotary printing machine Performing Operations; Transporting 12 Expired
US4024827A Vessel rudder assembly, particularly a balance type profile rudder with a fin Performing Operations; Transporting 12 Expired
US4026209A Sheet-fed rotary printing press for printing on both sides of a sheet Performing Operations; Transporting 12 Expired
US4667952A Guiding drum for sheet-fed printing machines, especially for cardboard Performing Operations; Transporting 11 Expired
US5085143A Sheet-size multiple-adjustment drive for a sheet-fed rotary printing machine Performing Operations; Transporting 11 Expired
US4787261A Device for setting a relative rotational position of a gearwheel and a ring gear which are coaxially mounted Emerging Cross-Sectional Technologies 11 Expired
US5076164A Sheet-fed rotary printing press with a plurality of printing units convertible from single-page printing to first form and perfector printing Performing Operations; Transporting 11 Expired
US5048362A Device for tensionally connecting a fixed gearwheel and an adjustable gearwheel on a cylinder of a turning apparatus in a sheet-fed rotary printing press and, more particularly, to such a device which is electrically safeguarded Emerging Cross-Sectional Technologies 10 Expired
US5181469A Clamping and tensioning device Performing Operations; Transporting 9 Expired

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