P

Inventor

BENSON DAVID J

US21 patents
⚠️ This page may combine multiple inventors who share the name “BENSON DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HEWLETT PACKARD DEVELOPMENT CO

13 patents
US6739708B2May 25, 2004

Fluid interconnect port venting for capillary reservoir fluid containers, and methods

HEWLETT PACKARD DEVELOPMENT CO32 citations92
US7717540B1May 18, 2010

Clog detection and clearing method for ink delivery system

HEWLETT PACKARD DEVELOPMENT CO35 citations89
US6655792B2Dec 2, 2003

Geometric features to minimize free ink in an ink supply fluid interconnect

HEWLETT PACKARD DEVELOPMENT CO15 citations82
US6969163B2Nov 29, 2005

Ink-reservoir vents and venting methods

HEWLETT PACKARD DEVELOPMENT CO9 citations73
US7344233B2Mar 18, 2008

Replaceable ink supply with ink channels

HEWLETT PACKARD DEVELOPMENT CO5 citations62
US7178907B2Feb 20, 2007

Fluid containment structure with coiled bag backpressure regulator

HEWLETT PACKARD DEVELOPMENT CO2 citations62
US7111930B2Sep 26, 2006

Fluid supply having a fluid absorbing material

HEWLETT PACKARD DEVELOPMENT CO2 citations62
US7029102B2Apr 18, 2006

Ink delivery regulation apparatus and method of use

HEWLETT PACKARD DEVELOPMENT CO3 citations62
US6981763B2Jan 3, 2006

Back-pressure generating fluid containment structure and method

HEWLETT PACKARD DEVELOPMENT CO3 citations62
US11083982B2Aug 10, 2021

Coalescing frothy fluids

HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11279130B2Mar 22, 2022

Fluidic dies with conductive members

HEWLETT PACKARD DEVELOPMENT CO0 citations60
US7097289B2Aug 29, 2006

Ink delivery apparatus with pressure tuned rolling piston and method of use

HEWLETT PACKARD DEVELOPMENT CO2 citations59
US7033010B2Apr 25, 2006

Ink delivery apparatus with collapsible ink chamber and method of use

HEWLETT PACKARD DEVELOPMENT CO0 citations49

TWIST EASE INC

6 patents

SPERRY CORP

1 patent

HONEYWELL INC

1 patent