Inventor · Albany, OR, US

Daniel D. Dowell

28Patents
8h-index
35Co-inventors
75Inventor score

Filing activity: Feb 25, 1997 → May 29, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5936650A Ink delivery system for ink-jet pens Performing Operations; Transporting 71 Expired
US6752493B2 Fluid delivery techniques with improved reliability Performing Operations; Transporting 49 Expired
US6685307B2 Apparatus for providing ink to an ink jet print head Performing Operations; Transporting 33 Expired
US6773097B2 Ink delivery techniques using multiple ink supplies Performing Operations; Transporting 21 Expired
US8727515B2 Container installation guide for a fluid ejector assembly Performing Operations; Transporting 20 Active
US6508545B2 Apparatus for providing ink to an ink jet print head Performing Operations; Transporting 19 Expired
US6739706B2 Off axis inkjet printing system and method Performing Operations; Transporting 14 Expired
US6540323B1 Snout-encompassing capping system for inkjet printheads Performing Operations; Transporting 11 Expired
US6702434B2 Fluidic interconnect structures Performing Operations; Transporting 8 Expired
US7497562B2 Re-circulating fluid delivery systems Performing Operations; Transporting 6 Active
US6955425B2 Re-circulating fluid delivery systems Performing Operations; Transporting 6 Expired
US6834677B2 Over-molded check valves for fluid delivery systems Emerging Cross-Sectional Technologies 5 Expired
US8967769B1 Print bar structure Performing Operations; Transporting 5 Active
US9132676B2 Printhead assembly datum Performing Operations; Transporting 4 Active
US7510274B2 Ink delivery system and methods for improved printing Performing Operations; Transporting 3 Expired
US6536887B2 Over-molded regulator bag for an ink delivery system Performing Operations; Transporting 2 Expired
US6712365B2 Over-molded gland seal Mechanical Engineering; Lighting; Heating 2 Expired
US7997698B2 Ink delivery system and methods for improved printing Performing Operations; Transporting 2 Active
US9539812B2 Fluid flow structure Performing Operations; Transporting 1 Active
US10265957B2 Fluid carrying assembly Performing Operations; Transporting 0 Active
US12138937B2 Printing fluid circulation Performing Operations; Transporting 0 Active
US10618288B2 Shroud for a printhead assembly Performing Operations; Transporting 0 Active
US9975339B2 Shroud for a printhead assembly Performing Operations; Transporting 0 Active
US8733896B2 Manifold assembly for fluid-ejection device Emerging Cross-Sectional Technologies 0 Active
US10589527B2 Liquid adsorption Performing Operations; Transporting 0 Active

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