Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David J. Cook — 18 Patents

HYHypertherm: 18 patents #14 of 199Top 8%
Hanover, NH: #23 of 312 inventorsTop 8%
New Hampshire: #713 of 12,181 inventorsTop 6%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
David J. Cook has been granted 18 US patents while listed as an inventor at Hypertherm. The first was granted in 2002 and the most recent in March 2025. David J. Cook ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list David J. Cook in Hanover, NH, US.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12245354 Swirl control through electrode geometry Faraz Mehdi, Yu Zhang, Steven Moody, Brenda Melius, Jesse A. Roberts 2025-03-04
11850681 Highly positioned laser processing nozzle Kenneth J. Woods, Joe Ciambra, Marco Celeghin, Aaron D. Brandt, Sanjay Garg 2023-12-26
10737347 Thread connection for a torch system Harshawardhan Jogdand, E. Michael Shipulski, David L. Bouthillier, Zheng Duan, Jesse A. Roberts +7 more 2020-08-11
10569360 Highly positioned laser processing nozzle Joe Ciambra, Sanjay Garg, Kenneth J. Woods, Davide Orlandi 2020-02-25
10549383 Highly positioned laser processing nozzle Davide Orlandi, David L. Bouthillier, Joe Ciambra 2020-02-04
RE46925 Composite electrode for a plasma arc torch Kirk H. Ferland, Charles M. Hackett, Yong Yang, Richard W. Couch, Jr., Zhipeng Lu 2018-06-26
9781816 Interchangeable power contact for a plasma arc cutting system David L. Bouthillier 2017-10-03
9492883 Electrode for a contact start plasma arc torch and contact start plasma arc torch employing such electrodes Jonathan Mather, Nicholas A. Sanders, Jon W. Lindsay, Peter J. Twarog, E. Michael Shipulski +1 more 2016-11-15
8829385 Plasma arc torch cutting component with optimized water cooling Yong Yang 2014-09-09
8772667 Plasma arch torch cutting component with optimized water cooling Yong Yang, E. Michael Shipulski 2014-07-08
8680425 Plasma arc torch having an electrode with internal passages Peter J. Twarog, Charles M. Hackett, Bruce P. Altobelli, David L. Bouthillier 2014-03-25
8101882 Plasma torch electrode with improved insert configurations Jonathan Mather, David L. Bouthillier, John Sobr, Stephen T. Eickhoff 2012-01-24
8097828 Dielectric devices for a plasma arc torch Jesse A. Roberts, Michael F. Kornprobst 2012-01-17
7659488 Composite electrode for a plasma arc torch Kirk H. Ferland, Charles M. Hackett, Yong Yang, Richard W. Couch, Jr., Zhipeng Lu 2010-02-09
7598473 Generating discrete gas jets in plasma arc torch applications Stephen M. Liebold, Jon W. Lindsay, Zheng Duan 2009-10-06
7375302 Plasma arc torch having an electrode with internal passages Peter J. Twarog, Charles M. Hackett, Bruce P. Altobelli, David L. Bouthillier 2008-05-20
6841754 Composite electrode for a plasma arc torch Kirk H. Ferland, Charles M. Hackett, Young Sek Yang, Richard W. Couch, Jr., Zhipeng Lu 2005-01-11
6403915 Electrode for a plasma arc torch having an enhanced cooling configuration Charles Landry, Steve Schaefer 2002-06-11