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

Richard Jackson — 9 Patents

PLPerkins Engines Company Limited: 2 patents #40 of 209Top 20%
SPSunnen Products: 2 patents #12 of 38Top 35%
TAThe Aerospace: 1 patents #251 of 604Top 45%
Caterpillar: 1 patents #4,457 of 8,398Top 55%
Lockheed Martin: 1 patents #2,818 of 6,507Top 45%
Houston, TX: #2,596 of 21,073 inventorsTop 15%
Texas: #16,980 of 125,132 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Richard Jackson has been granted 9 US patents while listed as an inventor at Perkins Engines Company Limited. The first was granted in 1985 and the most recent in April 2025. Richard Jackson ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Richard Jackson in Houston, TX, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12275096 Buoyancy provisions for facilitating underwater friction welding Harvey Lau, John M. Griffin, Thomas Foley, Mark A. Smith 2025-04-15
11858062 Multi-position clamp for friction welding operations Harvey Lau, Francis Baumann, John M. Griffin, Nicole Medina, Mark A. Smith 2024-01-02
7409939 Cylinder head having an integrally cast rocker shaft pedestal Frank G. Hughes, Kathleen Bernadette Queenan 2008-08-12
6988480 Cylinder block for an internal combustion engine having a locally thickened end wall Frank G. Hughes, Howard J. Paul 2006-01-24 $60,902,000
6899064 Cylinder block for an internal combustion engine having a tapered coolant jacket Frank G. Hughes 2005-05-31
6107770 Control system for counter-oscillating masses Girard M. Manke 2000-08-22 $16,603,000
5234295 Adjustable support fixture Douglas A. Richard 1993-08-10
4886157 Workpiece delivery magazine Robert M. Sunnen, Frank E. Vanderwal, Jr. 1989-12-12
4507030 Cam operated machining unit 1985-03-26