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

Douglas W. Carr — 3 Patents

SESemitool: 2 patents #79 of 141Top 60%
FCFederal Cartridge: 1 patents #26 of 47Top 60%
Plymouth, MN: #620 of 1,545 inventorsTop 45%
Minnesota: #19,251 of 52,454 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Douglas W. Carr has been granted 3 US patents while listed as an inventor at Semitool. The first was granted in 2004 and the most recent in February 2008. Douglas W. Carr ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Douglas W. Carr in Plymouth, MN, US.

Patents per Year

Patents granted per year, 2004 to 2008Bar chart with a peak of 1 patents in 2004.peak 12004: 1 patents20042007: 1 patents20072008: 1 patents2008

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7334826 End-effectors for handling microelectronic wafers Daniel J. Woodruff, Randy Harris, James J. Erickson 2008-02-26 $2,741,000
7281741 End-effectors for handling microelectronic workpieces Daniel J. Woodruff, Thomas H. Oberlitner, Randy Harris, James J. Erickson 2007-10-16 $2,748,000
6805057 Bullet for optimal penetration and expansion Lawrence P. Head 2004-10-19