Inventor
THIELMAN JEFFREY L
US29 patents
⚠️ This page may combine multiple inventors who share the name “THIELMAN JEFFREY L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
20 patentsUS7249831B2Jul 31, 2007
Ink container refurbishment system
HEWLETT PACKARD DEVELOPMENT CO20 citations92
US6811249B2Nov 2, 2004
Method and apparatus for determining a minimum pressure to print
HEWLETT PACKARD DEVELOPMENT CO30 citations92
US6644794B1Nov 11, 2003
Collapsible ink reservoir with a collapse resisting insert
HEWLETT PACKARD DEVELOPMENT CO21 citations92
US8024486B2Sep 20, 2011
Converting data from a first network format to non-network format and from the non-network format to a second network format
HEWLETT PACKARD DEVELOPMENT CO28 citations91
US7008050B2Mar 7, 2006
Ink container refurbishment system
HEWLETT PACKARD DEVELOPMENT CO12 citations84
US6988793B2Jan 24, 2006
Collapsible ink reservoir with a collapse resisting insert
HEWLETT PACKARD DEVELOPMENT CO13 citations84
US6863387B2Mar 8, 2005
Ink supply with air diffusion barrier for unsaturated ink
HEWLETT PACKARD DEVELOPMENT CO19 citations84
US6746111B2Jun 8, 2004
Low cost, high air barrier ink supply
HEWLETT PACKARD DEVELOPMENT CO18 citations84
US7730200B2Jun 1, 2010
Synthetic bridging for networks
HEWLETT PACKARD DEVELOPMENT CO8 citations82
US6874873B2Apr 5, 2005
Printhead air management using unsaturated ink
HEWLETT PACKARD DEVELOPMENT CO9 citations74
US6719414B2Apr 13, 2004
Ink tube carrier for a printer, and method
HEWLETT PACKARD DEVELOPMENT CO10 citations68
US7788048B2Aug 31, 2010
Apparatus and method for integrating a fuel supply and a fuel level sensing pressure sensor
HEWLETT PACKARD DEVELOPMENT CO3 citations63
US7025445B2Apr 11, 2006
Gas actuated ink line valve
HEWLETT PACKARD DEVELOPMENT CO6 citations63
US11209303B2Dec 28, 2021
Filling level detection in a printing fluid waste container
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US7265370B2Sep 4, 2007
Sensing light
HEWLETT PACKARD DEVELOPMENT CO6 citations61
US12280597B2Apr 22, 2025
Print head maintenance assembly
HEWLETT PACKARD DEVELOPMENT CO0 citations59
US11446943B2Sep 20, 2022
Acting on the temperature of a print head die
HEWLETT PACKARD DEVELOPMENT CO0 citations59
US11235581B2Feb 1, 2022
Print liquid interconnects with rotary motion damper
HEWLETT PACKARD DEVELOPMENT CO0 citations56
US7984178B2Jul 19, 2011
Synthetic bridging for networks
HEWLETT PACKARD DEVELOPMENT CO0 citations50
US12145380B2Nov 19, 2024
Modular printer carriage
HEWLETT PACKARD DEVELOPMENT CO0 citations40
HEWLETT PACKARD CO
9 patentsUS6435638B1Aug 20, 2002
Ink bag fitment with an integrated pressure sensor for low ink detection
HEWLETT PACKARD CO83 citations98
US6454375B2Sep 24, 2002
Pressure based ink level detector and method
HEWLETT PACKARD CO78 citations96
US6296353B1Oct 2, 2001
Ink container with secondary containment for ink supply
HEWLETT PACKARD CO42 citations96
US6467861B1Oct 22, 2002
Leak detection for an ink container
HEWLETT PACKARD CO16 citations92
US6318850B1Nov 20, 2001
Ink container refurbishment system
HEWLETT PACKARD CO40 citations92
US6431692B1Aug 13, 2002
Packaged ink supply and method of packaging an ink supply to maintain ink in a degassed state
HEWLETT PACKARD CO14 citations84
US6257715B1Jul 10, 2001
Ink jet printer with ink conduit gas exhaust facility and method
HEWLETT PACKARD CO16 citations84
US6431672B1Aug 13, 2002
Ink container having dual capillary members with differing capillary pressures for precise ink level sensing
HEWLETT PACKARD CO14 citations83
US6547377B2Apr 15, 2003
Printhead air management using unsaturated ink
HEWLETT PACKARD CO9 citations74