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

Mark Warner — 8 Patents

QSQuantum Fuel Systems: 4 patents #2 of 14Top 15%
QWQuantum Fuel Systems Technologies Worldwide: 1 patents #6 of 18Top 35%
Honeywell: 1 patents #8,533 of 16,504Top 55%
Lake Forest, CA: #211 of 1,030 inventorsTop 25%
California: #74,834 of 386,348 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Mark Warner has been granted 8 US patents while listed as an inventor at Quantum Fuel Systems. The first was granted in 1993 and the most recent in January 2019. Mark Warner ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Mark Warner in Lake Forest, CA, US.

Patents per Year

Patents granted per year, 1993 to 2019Bar chart with a peak of 2 patents in 2017.peak 21993: 1 patents19931995: 1 patents19952010: 1 patents20102014: 1 patents20142017: 2 patents20172018: 1 patents20182019: 1 patents2019

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10181064 Composite pressure tank identification and tracking Mark Leavitt, David Rea, Ketan Patel, Yongkui Wen 2019-01-15
10088104 Composite pressure tank boss mounting with pressure relief Mark Leavitt, David Rea 2018-10-02
9568150 Method of fabricating a pressurized-gas storage assembly Mark Leavitt 2017-02-14
9534738 Composite pressure tank identification and tracking Mark Leavitt, David Rea, Ketan Patel, Yongkui Wen 2017-01-03
8881932 Adapterless closure assembly for composite pressure vessels Mark Leavitt 2014-11-11
7837054 Tank seal Johannes Van Oyen, Mark Leavitt, Ken Newell 2010-11-23 $1,565,000
5423399 Gas pressurized oil replenishment system for bearing assemblies Dennis W. Smith, Edward F. Silvent 1995-06-13 $4,685,000
5224732 Inflatable restraint system for side impact crash protection Charles Y. Warner, John J. Gordon, Ralph C. Warner, Karl Wenger 1993-07-06