JL

Jeffrey D Langford

HP HP: 18 patents #955 of 16,619Top 6%
BI Biocircuits: 1 patents #16 of 21Top 80%
📍 Corvallis, OR: #163 of 1,763 inventorsTop 10%
🗺 Oregon: #2,141 of 28,073 inventorsTop 8%
Overall (All Time): #214,214 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
12246540 Profile governing servicing maintenance of fluidic printhead nozzles Dean H Ouchida, Kris M. English 2025-03-11
8282203 Printing mechanism and method of ink formulation James M. Brenner, Harold F Mantooth 2012-10-09
8002395 Ink recirculation system Carrie E. Harris 2011-08-23
7997698 Ink delivery system and methods for improved printing Jeremy A. Davis, Melissa S. Gedraitis, Marc A. Baldwin, Louis Barinaga, Daniel D. Dowell +5 more 2011-08-16
7922314 Printing mechanism and method of ink formulation James M. Brenner, Harold F Mantooth 2011-04-12
7628475 Printhead evacuation mechanism and method Ross E. Friesen, Carrie E. Harris, Harold F Mantooth, Donald L. Michael 2009-12-08
7556367 Ink delivery system and a method for replacing ink Harold F Mantooth, Carrie E. Harris 2009-07-07
7543908 Clearing silicate kogation Morgan G. Jones, Satya Prakash 2009-06-09
7510274 Ink delivery system and methods for improved printing Jeremy A. Davis, Melissa S. Gedraitis, Marc A. Baldwin, Louis Barinaga, Daniel D. Dowell +5 more 2009-03-31
7416293 Ink recirculation system Donald L. Michael, Kris M. English, Carrie E. Harris 2008-08-26
7331664 Ink delivery system and a method for replacing ink Harold F Mantooth, Carrie E. Harris 2008-02-19
7296881 Printhead de-priming Ross E. Friesen, Carrie E. Harris, Harold F Mantooth, Donald L. Michael 2007-11-20
7237879 Method and apparatus for reducing nozzle failure in stored inkjet printheads Donald L. Michael, Harold F Mantooth 2007-07-03
6655794 Methods and apparatus for curing a thermal sealing material using a heater trace Mark R. Natterer, Leo Clarke 2003-12-02
6364458 Pivoted printhead handle with recessed rest position B Michael Eckard, Gary P. McKittrick, James P. Kearns, Thomas Cocklin, Kenneth Williams 2002-04-02
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, Winthrop D. Childers +1 more 2001-08-14
6145967 Method and apparatus for configuring a fluid interconnect for an ink-jet printhead James P. Kearns, Mark Hauck 2000-11-14
D424103 Inkjet printhead B. Michael Eckard, James P. Kearns, Mark Hauck 2000-05-02
5698406 Disposable device in diagnostic assays Cheryl A. Cathey, Henry L. Schwartz, Tom Saul 1997-12-16
5503985 Disposable device for diagnostic assays Cheryl A. Cathey, Henry L. Schwartz, Tom Saul 1996-04-02