WC

Winthrop D. Childers

HP HP: 182 patents #35 of 16,619Top 1%
3S 3D Systems: 3 patents #101 of 374Top 30%
PO Pulse Finland Oy: 2 patents #14 of 41Top 35%
PD Precision Dynamics: 1 patents #32 of 73Top 45%
📍 San Diego, CA: #109 of 23,606 inventorsTop 1%
🗺 California: #584 of 386,348 inventorsTop 1%
Overall (All Time): #3,566 of 4,157,543Top 1%
195
Patents All Time

Issued Patents All Time

Showing 101–125 of 195 patents

Patent #TitleCo-InventorsDate
6619789 Ink delivery system adapter Michael L. Bullock, Eric L. Gasvoda, Norman E. Pawlowski, Jr., Ovidiu Talpos 2003-09-16
6582062 Large thermal ink jet nozzle array printhead Douglas A. Sexton 2003-06-24
6543879 Inkjet printhead assembly having very high nozzle packing density James A. Feinn, Clayton L. Holstun, Lawrence H. White, Matthew Giere, Colin C. Davis 2003-04-08
6488352 Method and apparatus for checking compatibility of a replaceable printing component Brian L. Helterline, Michael L. Bullock, Ronald R. Paulsen 2002-12-03
6459860 Replaceable printer component including memory device that defines printing capabilities 2002-10-01
6450629 Method and apparatus for refilling ink containers in a manner that preserves printhead life 2002-09-17
6428145 Wide-array inkjet printhead assembly with internal electrical routing system James A. Feinn, Michael J. Barbour, Melissa D. Boyd 2002-08-06
6422693 Ink interconnect between print cartridge and carriage Norman E. Pawlowski, Jr., Ted Lee, Jaren D. Marler 2002-07-23
6402306 Method and apparatus for refilling an ink container David Olsen 2002-06-11
6375301 Replaceable cartridge, kit and method for flushing ink from an inkjet printer Norman E. Pawlowski, Jr. 2002-04-23
6345891 Method and apparatus for specifying ink volume in a multichamber ink container Ray A. Walker, Michael L. Bullock, Brian L. Helterline 2002-02-12
6332677 Stable substrate structure for a wide swath nozzle array in a high resolution inkjet printer Steven W. Steinfield, Brian J. Keefe, Donald G. Harris, Majid Azmoon 2001-12-25
6322205 Ink delivery system adapter Michael L. Bullock, Eric L. Gasvoda, Norman E. Pawlowski, Jr., Ovidiu Talpos 2001-11-27
6318850 Ink container refurbishment system Michael L. Bullock, Norman E. Pawlowski, Jr., Jeffrey Thielman 2001-11-20
6305795 Ink container having electronic and mechanical features enabling plug compatibility between multiple supply sizes Michael L. Bullock, Bruce Cowger, John A. Underwood, Susan M. Hmelar, James E. Clark +3 more 2001-10-23
6286950 Inkjet storage container sealing mechanism John M. Altendorf 2001-09-11
6283586 Method and apparatus for refilling ink containers in a manner that preserves printhead life 2001-09-04
6273560 Print cartridge coupling and reservoir assembly for use in an inkjet printing system with an off-axis ink supply Brian J. Keefe, Norman E. Pawlowski, Jr., Michael E. Peterschmidt, Carrie E. Harris, James P. Kearns +1 more 2001-08-14
6254229 Filter for an inkjet printhead Jaime H. Bohorquez 2001-07-03
6231173 Contact pad and fluid interconnect configuration on a print cartridge Norman E. Pawlowski, Jr., Ted Lee, Jaren D. Marler 2001-05-15
6227638 Electrical refurbishment for ink delivery system Michael L. Bullock 2001-05-08
6196663 Method and apparatus for balancing colorant usage David M. Wetchler, Michael L. Bullock, Jason Quintana 2001-03-06
6188417 Fluidic adapter for use with an inkjet print cartridge having an internal pressure regulator Brian J. Keefe, Norman E. Pawlowski, Jr., Michael E. Peterschmidt, Carrie E. Harris 2001-02-13
6183076 Printer having multi-chamber print cartridges and off-carriage regulator Norman E. Pawlowski, Jr., Dale Timm, Kenneth E. Trueba 2001-02-06
6179414 Ink delivery system for an inkjet printhead Brian J. Keefe, Steven W. Steinfield, Paul H. McClelland, Kenneth E. Trueba 2001-01-30