Inventor · Webster, NY, US

Robert S. Karz

13Patents
8h-index
22Co-inventors
72Inventor score

Filing activity: Jul 7, 1977 → Apr 6, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5278585A Ink jet printhead with ink flow directing valves Performing Operations; Transporting 178 Expired
US5587730A Redundant full width array thermal ink jet printing for improved reliability Performing Operations; Transporting 90 Expired
US7537410B2 Coupling apparatus Emerging Cross-Sectional Technologies 88 Active
US5341162A Liquid deagassing apparatus Performing Operations; Transporting 38 Expired
US5053829A Heat and pressure fuser with non-symmetrical nip pressure Physics 22 Expired
US4582416A Low mass heat and pressure fuser Physics 19 Expired
US5631676A Parallel flow water cooling system for printbars Emerging Cross-Sectional Technologies 13 Expired
US7433631B2 Material supply module drive shaft Physics 9 Active
US5689294A Method and apparatus for skipping white spaces in marking devices Electricity 8 Expired
US4171274A Alteration of tesselated magnetic particles by fracture Emerging Cross-Sectional Technologies 2 Expired
US4897692A Fail safe fuser lamp control Physics 1 Expired
US10792200B1 Assistive mobility device Human Necessities 0 Active
US11813212B2 Assistive mobility device Human Necessities 0 Active

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