Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Marley — 2 Patents

ITImpco Technologies: 1 patents #2 of 12Top 20%
Santa Ana, CA: #572 of 1,362 inventorsTop 45%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David Marley has been granted 2 US patents while listed as an inventor at Impco Technologies. The first was granted in 1987 and the most recent in March 2000. David Marley ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David Marley in Santa Ana, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6041762 Control module for natural gas fuel supply for a vehicle Neel Sirosh, Syed Hussain, Eric G Adler 2000-03-28 $7,209,000
4635876 Tape picker and cleaner Randall E. Hosilyk, Rodney Hosilyk 1987-01-13