Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
KT

Kenneth E. Trueba — 58 Patents

HP: 47 patents #178 of 16,619Top 2%
VTVideojet Technologies: 8 patents #21 of 146Top 15%
ZLZipher Limited: 1 patents #7 of 16Top 45%
Corvallis, OR: #37 of 1,763 inventorsTop 3%
Oregon: #549 of 28,073 inventorsTop 2%
Overall (All Time): #41,319 of 4,157,543Top 1%
58 Patents All Time
Kenneth E. Trueba has been granted 58 US patents. The first was granted in 1989 and the most recent in February 2015. Kenneth E. Trueba ranks #41,319 of 4,157,543 US inventors in our database (top 0.99%). Patent records list Kenneth E. Trueba in Corvallis, OR, US.

Patents per Year

Patents granted per year, 1989 to 2015Bar chart with a peak of 10 patents in 1997.peak 101989: 2 patents19891992: 1 patents1994: 3 patents1995: 5 patents19951996: 3 patents1997: 10 patents1999: 4 patents19992000: 1 patents2001: 4 patents2002: 2 patents20022003: 3 patents2004: 4 patents2005: 1 patents20052006: 1 patents2007: 2 patents2009: 1 patents20092010: 1 patents2011: 1 patents2012: 3 patents20122013: 3 patents2014: 2 patents2015: 1 patents2015

Issued Patents All Time

Showing 1–25 of 58 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8960886 Thermal inkjet print head with solvent resistance Terry M. Lambright, Anthony Selmeczy, Francis Chee-Shuen Lee, Charles C. Haluzak 2015-02-24
8794750 Ink containment system and ink level sensing system for an inkjet cartridge Charles W. Gilson, Thomas E. Kimerling, Mark R. Thackray, Scott T. Benigni, John P. Folkers +3 more 2014-08-05
8733900 Thermal inkjet print head with solvent resistance Terry M. Lambright, Anthony Selmeczy, Francis Chee-Shuen Lee, Charles C. Haluzak 2014-05-27
8523313 Inkjet cartridge Charles W. Gilson, Thomas E. Kimerling, Mark R. Thackray, Scott T. Benigni, John P. Folkers 2013-09-03
8454146 Ink containment system and ink level sensing system for an inkjet cartridge Charles W. Gilson, Thomas E. Kimerling, Mark R. Thackray, Scott T. Benigni, John P. Folkers +3 more 2013-06-04
8454149 Thermal inkjet print head with solvent resistance Terry M. Lambright, Anthony Selmeczy, Francis Chee-Shuen Lee, Charles C. Haluzak 2013-06-04
8272704 Ink containment system and ink level sensing system for an inkjet cartridge Charles W. Gilson, Thomas E. Kimerling, Mark R. Thackray, Scott T. Benigni, John P. Folkers +3 more 2012-09-25
8113613 System and method for maintaining or recovering nozzle function for an inkjet printhead John P. Folkers, Charles W. Gilson, Thomas E. Kimerling, Terry M. Lambright, Francis Chee-Shuen Lee +5 more 2012-02-14
8091993 Ink containment system and ink level sensing system for an inkjet cartridge Charles W. Gilson, Thomas E. Kimerling, Mark R. Thackray, Scott T. Benigni, John P. Folkers 2012-01-10
7956097 Curable thermally ejectable printing fluid William A. Buskirk 2011-06-07
7763668 Curable thermally ejectable printing fluid William A. Buskirk 2010-07-27
7490924 Drop generator for ultra-small droplets Charles C. Haluzak, Terry McMahon, Donald W. Schulte 2009-02-17 $30,364,000
7243648 Thermal drop generator Xiaofeng Yang, Rod Alley, Winthrop D. Childers, David Tyvoll, Douglas A. Sexton 2007-07-17 $23,314,000
7198044 Applicator for dispensing bioactive compositions and methods for using the same 2007-04-03 $13,531,000
7125731 Drop generator for ultra-small droplets Charles C. Haluzak, Terry McMahon, Donald W. Schulte 2006-10-24 $29,050,000
6918657 Fully integrated thermal inkjet printhead having etched back PSG layer Naoto Kawamura, Colin C. Davis, Timothy L. Weber, John Paul Harmon, David R. Thomas 2005-07-19 $10,604,000
6834942 Fluid ejector head having a planar passivation layer Ronnie Yenchik, Ronald A. Hellekson 2004-12-28 $14,155,000
6767474 Fluid ejector head having a planar passivation layer Ronnie Yenchik, Ronald A. Hellekson 2004-07-27 $17,244,000
6698868 Thermal drop generator for ultra-small droplets Charles C. Haluzak, Terry McMahon, Donald W. Schulte 2004-03-02 $13,437,000
6684880 Applicator for dispensing bioactive compositions and methods for using the same 2004-02-03 $16,763,000
6557971 Method for servicing an inkjet printhead Ramon Vega, Xavier Girones, Xavier Bruch, Antoni Murcia 2003-05-06 $12,918,000
6543884 Fully integrated thermal inkjet printhead having etched back PSG layer Naoto Kawamura, Colin C. Davis, Timothy L. Weber, John Paul Harmon, David R. Thomas 2003-04-08 $15,478,000
6517735 Ink feed trench etch technique for a fully integrated thermal inkjet printhead Charles C. Haluzak, David R. Thomas, Colby Van Vooren 2003-02-11 $29,421,000
6402972 Solid state ink jet print head and method of manufacture Timothy L. Weber, John Paul Harmon 2002-06-11 $14,396,000
6336714 Fully integrated thermal inkjet printhead having thin film layer shelf Naoto Kawamura, Colin C. Davis, Timothy L. Weber, John Paul Harmon, David R. Thomas 2002-01-08 $55,182,000