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Mark Leonhardt — 8 Patents

FMFmc: 5 patents #241 of 469Top 55%
R&R.A Jones &: 2 patents #26 of 80Top 35%
Sacramento, CA: #163 of 1,687 inventorsTop 10%
California: #74,834 of 386,348 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Mark Leonhardt has been granted 8 US patents. The first was granted in 1987 and the most recent in April 2025. Mark Leonhardt ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Mark Leonhardt in Sacramento, CA, US.

Patents per Year

Patents granted per year, 1987 to 2025Bar chart with a peak of 2 patents in 2023.peak 21987: 1 patents19871989: 1 patents19892012: 1 patents20122023: 2 patents20232024: 2 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12263927 Submersible remote operated vehicle vision assistance and control Blake Schumann, Alex Wendeborn 2025-04-01
12172740 Submersible remote operated vehicle tool change control Bijou Abraham, Peter Boissiere, Steve Cohan, Kevin Hjelden, Doug Mayne +5 more 2024-12-24
11912387 Submersible remote operated vehicle tool change control Bijou Abraham, Peter Boissiere, Steve Cohan, Kevin Hjelden, Doug Mayne +5 more 2024-02-27
11807349 Submersible remote operated vehicle vision assistance and control Blake Schumann, Alex Wendeborn 2023-11-07
11608148 Submersible remote operated vehicle tool change control Bijou Abraham, Peter Boissiere, Steve Cohan, Kevin Hjelden, Doug Mayne +5 more 2023-03-21
8203024 Torrefaction systems and methods including catalytic oxidation and/or reuse of combustion gases directly in a torrefaction reactor, cooler, and/or dryer/preheater — 2012-06-19
4848421 Pouch filling apparatus having duck bill spout Richard J. Froese, Michael Joseph Roy 1989-07-18
4702289 Volumetric filler for pouch machine Harold T. Benner, Jr., Matthew J. Zdinak 1987-10-27

Frequent Collaborators

Kevin Schell3 shared
Kevin Hjelden3 shared
Steve Cohan3 shared
Sean S. Rogers3 shared
Bijou Abraham3 shared
Tim Ranstrom3 shared

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