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

Robert Collin — 6 Patents

FLFluidmaster: 4 patents #11 of 86Top 15%
THThomson-Csf: 1 patents #796 of 2,054Top 40%
Lake Forest, CA: #268 of 1,030 inventorsTop 30%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Robert Collin has been granted 6 US patents while listed as an inventor at Fluidmaster. The first was granted in 1989 and the most recent in April 2016. Robert Collin ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Robert Collin in Lake Forest, CA, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9303800 Torque limiting fluid connector system Dale Carruthers, Patrick McGrath 2016-04-05
D669558 Fluid connector Dale Carruthers, Patrick McGrath 2012-10-23
8185976 Flush valve mechanism Tuan Le, Bryan A. Janish, Bill DeKeyser 2012-05-29
8117687 Diverter valve with minimum bias forces Tuan Le 2012-02-21
7909054 Shank assembly for a fill valve Tuan Le, Bill DeKeyser 2011-03-22
4853652 Wide band and low noise amplifier for metric waves 1989-08-01 $2,000