Inventor · Corvallis, OR, US

Mark A. Devries

32Patents
7h-index
26Co-inventors
65Inventor score

Filing activity: May 17, 2000 → Dec 12, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US9724926B2 Dual regulator print module Performing Operations; Transporting 31 Active
US6811249B2 Method and apparatus for determining a minimum pressure to print Performing Operations; Transporting 18 Expired
US7188942B2 Filter for printhead assembly Electricity 16 Expired
US10190738B1 Luminaires and light source retention components Mechanical Engineering; Lighting; Heating 14 Active
US7614733B2 Filter for printhead assembly Electricity 11 Active
US7922312B2 Compact ink delivery in an ink pen Performing Operations; Transporting 10 Active
US6467861B1 Leak detection for an ink container Performing Operations; Transporting 9 Expired
US8113612B2 Ink delivery system Performing Operations; Transporting 7 Active
US6702436B2 Fluid ejection cartridge including a compliant filter Performing Operations; Transporting 6 Expired
US6874873B2 Printhead air management using unsaturated ink Performing Operations; Transporting 6 Expired
US6431692B1 Packaged ink supply and method of packaging an ink supply to maintain ink in a degassed state Performing Operations; Transporting 6 Expired
US6547377B2 Printhead air management using unsaturated ink Performing Operations; Transporting 5 Expired
US8915263B2 Aerosol supply device and pressure regulator apparatus used therewith Emerging Cross-Sectional Technologies 3 Active
US7862138B2 Flow control in an ink pen Performing Operations; Transporting 3 Active
US7454955B2 Leak detection structure Performing Operations; Transporting 3 Expired
US7237572B2 Check valve Emerging Cross-Sectional Technologies 2 Expired
US7651209B2 Flow passage Performing Operations; Transporting 2 Active
US11254139B2 Fluidic valves formed in a sub-assembly Performing Operations; Transporting 1 Active
US9493008B2 Printhead assembly with fluid interconnect cover Performing Operations; Transporting 1 Active
US10226940B2 Printer fluid circulation system including an air isolation chamber and a printer fluid pressure control valve Performing Operations; Transporting 1 Active
US8904860B2 Fluid detection apparatus Performing Operations; Transporting 1 Active
US10179455B2 Dual regulator print module Performing Operations; Transporting 1 Active
US10507662B2 Dual regulator print module Performing Operations; Transporting 0 Active
US10071557B2 Printhead assembly with fluid interconnect cover Performing Operations; Transporting 0 Active
US11254134B2 Fluid supply components comprising valves Performing Operations; Transporting 0 Active

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