Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Philip Downing — 6 Patents

XRXros: 3 patents #4 of 22Top 20%
CLCam Gears Limited: 1 patents #6 of 9Top 70%
TLTrw Cam Gears Limited: 1 patents #4 of 10Top 40%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Philip Downing has been granted 6 US patents while listed as an inventor at Xros. The first was granted in 1982 and the most recent in August 2022. Philip Downing ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Philip Downing in Bristol, CA, GB.

Patents per Year

Patents granted per year, 1982 to 2022Bar chart with a peak of 2 patents in 2000.peak 21982: 1 patents19821987: 1 patents19871999: 1 patents19992000: 2 patents20002022: 1 patents2022

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11406862 Systems for supporting dumbbell and barbell 2022-08-09
6122394 Compact, simple, 2D raster, image-building fingerprint scanner Armand P. Neukermans, Timothy G. Slater 2000-09-19
6044705 Micromachined members coupled for relative rotation by torsion bars Armand P. Neukermans, Timothy G. Slater 2000-04-04
5969465 Adjusting operating characteristics of micromachined torsional oscillators Armand P. Neukermans, Timothy G. Slater 1999-10-19
4680981 Rack and pinion gear and a method of assembling such a gear 1987-07-21
4322986 Variable ratio rack and pinion gear Frederick J. Adams 1982-04-06