Inventor · Corvallis, OR, US

Mark Hauck

19Patents
12h-index
20Co-inventors
74Inventor score

Filing activity: Sep 14, 1994 → Sep 24, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US5852459A Printer using print cartridge with internal pressure regulator Performing Operations; Transporting 110 Expired
US6250747A Print cartridge with improved back-pressure regulation Performing Operations; Transporting 84 Expired
US5583545A Ink level detection in a pressure regulated pen Physics 66 Expired
US6033064A Inkjet printer with off-axis ink supply Performing Operations; Transporting 62 Expired
US5719609A Method and apparatus for redundant sealing of a printhead pressure regulator Emerging Cross-Sectional Technologies 61 Expired
US6203146A Printing system with air accumulation control means enabling a semipermanent printhead without air purge Performing Operations; Transporting 54 Expired
US5975686A Regulator for a free-ink inkjet pen Physics 47 Expired
US5872584A Apparatus for providing ink to an ink-jet print head and for compensating for entrapped air Performing Operations; Transporting 24 Expired
US6137513A Printer using print cartridge with internal pressure regulator Performing Operations; Transporting 20 Expired
USD424103S Inkjet printhead General 18 Expired
US6145967A Method and apparatus for configuring a fluid interconnect for an ink-jet printhead Performing Operations; Transporting 15 Expired
US6382784B2 Printing system with air accumulation control means enabling a semipermanent printhead without air purge Performing Operations; Transporting 14 Expired
US6511165B1 Manifold intake for coupling ink supplies with foam/filter fluidic interconnects to tube-based printing systems Performing Operations; Transporting 8 Expired
US6164742A Active accumulator system for an ink-jet pen Performing Operations; Transporting 7 Expired
USD731447S1 Thermoelectric energy harvester module General 7 Active
US6840605B2 Method for regulating pressure Performing Operations; Transporting 5 Expired
US7237572B2 Check valve Emerging Cross-Sectional Technologies 2 Expired
US9263659B2 System and method for thermal protection of an electronics module of an energy harvester Electricity 2 Active
US9312466B2 Energy harvester with improved heat flow arrangement Electricity 1 Active

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