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

Darin St. Germain — 7 Patents

USUsfilter: 3 patents #2 of 46Top 5%
WEWestech Engineering: 2 patents #5 of 27Top 20%
STSiemens Water Technologies: 1 patents #51 of 109Top 50%
Gilbert, IA: #2 of 16 inventorsTop 15%
Iowa: #2,264 of 15,303 inventorsTop 15%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Darin St. Germain has been granted 7 US patents while listed as an inventor at Usfilter. The first was granted in 2005 and the most recent in February 2022. Darin St. Germain ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Darin St. Germain in Gilbert, IA, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11247918 Multi-media clarification systems and methods Jonathan Bay Farrell, Brian Lee Primrose, Darrell Wayne Christianson 2022-02-15
10913667 Multi-media clarification systems and methods Jonathan Bay Farrell, Brian Lee Primrose, Darrell Wayne Christianson 2021-02-09
7913445 Adjustable buoyancy fishing bobber system 2011-03-29
7192521 Filter having a media retaining plate 2007-03-20 $871,000
7014783 Flow splitting weir 2006-03-21
6991726 Filter having a media retaining plate 2006-01-31
6849180 Flow splitting weir 2005-02-01