Inventor
OTIS JR DAVID R
US28 patents
⚠️ This page may combine multiple inventors who share the name “OTIS JR DAVID R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
16 patentsUS6572214B2Jun 3, 2003
Inkjet printing systems using filter fluid interconnects for pigmented inks
HEWLETT PACKARD DEVELOPMENT CO100 citations98
US7140850B2Nov 28, 2006
Peristaltic pump with roller pinch valve control
HEWLETT PACKARD DEVELOPMENT CO24 citations92
US7963945B2Jun 21, 2011
Replaceable supplies for IV fluid delivery systems
HEWLETT PACKARD DEVELOPMENT CO32 citations86
US6916088B2Jul 12, 2005
Ink container configured to establish reliable fluidic connection to a receiving station
HEWLETT PACKARD DEVELOPMENT CO15 citations84
US6789883B2Sep 14, 2004
Method and apparatus for compensating for ink container extraction characteristics
HEWLETT PACKARD DEVELOPMENT CO16 citations83
US6648457B2Nov 18, 2003
Redundant fluid interconnect seal for a modular ink jet delivery system
HEWLETT PACKARD DEVELOPMENT CO9 citations74
US11426927B2Aug 30, 2022
Different mixtures of build materials deliverable during a three dimensional print operation
HEWLETT PACKARD DEVELOPMENT CO2 citations73
USD526010SAug 1, 2006
Fluid container
HEWLETT PACKARD DEVELOPMENT CO7 citations69
US6890051B2May 10, 2005
Methods and apparatus for reducing the print-job completion time for a printer having an intermittent-refill printhead
HEWLETT PACKARD DEVELOPMENT CO4 citations63
US11155098B2Oct 26, 2021
Negative pressure application to a gas-filled volume
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US10449777B2Oct 22, 2019
Print system with volume substantially void of liquid
HEWLETT PACKARD DEVELOPMENT CO1 citations62
US7648220B2Jan 19, 2010
Sensing of fluid ejected by drop-on-demand nozzles
HEWLETT PACKARD DEVELOPMENT CO2 citations57
US11904548B2Feb 20, 2024
Varying the composition of build materials used for a three dimensional part
HEWLETT PACKARD DEVELOPMENT CO1 citations56
US6908181B2Jun 21, 2005
Redundant fluid interconnect seal for a modular ink jet delivery system
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US10343398B2Jul 9, 2019
System and method for creating a pico-fluidic inkjet
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US8047405B2Nov 1, 2011
Volumetric is fluid dispensing devices, systems, and methods
HEWLETT PACKARD DEVELOPMENT CO0 citations34
HEWLETT PACKARD CO
8 patentsUS6454381B1Sep 24, 2002
Method and apparatus for providing ink container extraction characteristics to a printing system
HEWLETT PACKARD CO83 citations97
US5109234AApr 28, 1992
Printhead warming method to defeat wait-time banding
HEWLETT PACKARD CO117 citations97
US5841454ANov 24, 1998
Ink-jet pen gas separator and purge system
HEWLETT PACKARD CO66 citations96
US6464346B2Oct 15, 2002
Ink containment and delivery techniques
HEWLETT PACKARD CO41 citations92
US5856839AJan 5, 1999
Ink supply having an integral pump
HEWLETT PACKARD CO35 citations90
US5988806ANov 23, 1999
Method for separating and purging gases from a free-ink ink-jet pen
HEWLETT PACKARD CO9 citations74
US6361157B1Mar 26, 2002
Long-life spring-backed fluid interconnect seal
HEWLETT PACKARD CO3 citations63
US6511166B2Jan 28, 2003
Long-life spring-backed fluid interconnect seal
HEWLETT PACKARD CO5 citations61