Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Timothy L. Weber — 57 Patents

HP: 56 patents #547 of 16,619Top 4%
HCHewett-Packard Development Company: 1 patents #2 of 36Top 6%
Corvallis, OR: #40 of 1,763 inventorsTop 3%
Oregon: #561 of 28,073 inventorsTop 2%
Overall (All Time): #42,831 of 4,157,543Top 2%
57 Patents All Time

Issued Patents All Time

Showing 26–50 of 57 patents

Patent #TitleCo-InventorsDate
6527369 Asymmetric printhead orifice David J. Waller, Thomas Linder 2003-03-04
6508536 Method of mounting fluid ejection device Timothy Beerling, Melissa D. Boyd 2003-01-21
6502918 Feature in firing chamber of fluid ejection device Richard W. Seaver, James A. Mott, Dustin Blair, Charles C. Haluzak 2003-01-07
6435653 Multilayered ceramic substrate serving as ink manifold and electrical interconnection platform for multiple printhead dies Melissa D. Boyd, Timothy Beerling 2002-08-20
6412901 Acoustic and ultrasonic monitoring of inkjet droplets Wen-Li Su, Trudy Benjamin, Steven B. Elgee, Thomas F. Uhling, Bruce A. Axten +7 more 2002-07-02
6402972 Solid state ink jet print head and method of manufacture Kenneth E. Trueba, John Paul Harmon 2002-06-11
6371596 Asymmetric ink emitting orifices for improved inkjet drop formation Robert C. Maze, Arun Agarwal 2002-04-16
6354694 Method and apparatus for improved ink-drop distribution in ink-jet printing John Paul Harmon, S. Dana Seccombe, Colin C. Davis, Paul J. McClellan, David J. Waller 2002-03-12
6336714 Fully integrated thermal inkjet printhead having thin film layer shelf Naoto Kawamura, Colin C. Davis, Kenneth E. Trueba, John Paul Harmon, David R. Thomas 2002-01-08
6328405 Printhead comprising multiple types of drop generators John Dunfield 2001-12-11
6322206 Multilayered platform for multiple printhead dies Melissa D. Boyd, Timothy Beerling 2001-11-27
6309054 Pillars in a printhead Naoto Kawamura, David R. Thomas, David J. Waller 2001-10-30
6310639 Printer printhead Naoto Kawamura 2001-10-30
6305790 Fully integrated thermal inkjet printhead having multiple ink feed holes per nozzle Naoto Kawamura, Colin C. Davis, Kenneth E. Trueba, John Paul Harmon, David R. Thomas 2001-10-23
6260941 Acoustic and ultrasonic monitoring of inkjet droplets Wen-Li Su, Trudy Benjamin, Steven B. Elgee, Thomas F. Uhling, Bruce A. Axten +7 more 2001-07-17
6254219 Inkjet printhead orifice plate having related orifices Arun Agarwal 2001-07-03
6244694 Method and apparatus for dampening vibration in the ink in computer controlled printers Edward Maker, II 2001-06-12
6155670 Method and apparatus for improved ink-drop distribution in inkjet printing John Paul Harmon, S. Dana Seccombe, Colin C. Davis, Paul J. McClellan, David J. Waller 2000-12-05
6126273 Inkjet printer printhead which eliminates unpredictable ink nucleation variations Colby Van Vooren, Colin C. Davis, Naoto Kawamura 2000-10-03
6123410 Scalable wide-array inkjet printhead and method for fabricating same Timothy Beerling, Melissa D. Boyd 2000-09-26
6123413 Reduced spray inkjet printhead orifice Arun Agarwal 2000-09-26
6113221 Method and apparatus for ink chamber evacuation 2000-09-05
6099108 Method and apparatus for improved ink-drop distribution in ink-jet printing John Paul Harmon, S. Dana Seccombe, Colin C. Davis, Paul J. McClellan, David J. Waller 2000-08-08
6003977 Bubble valving for ink-jet printheads David J. Waller, Kenneth E. Trueba, David R. Thomas 1999-12-21
6000787 Solid state ink jet print head Kenneth E. Trueba, John Paul Harmon 1999-12-14