Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
FD

Frederic C. Doughty

EMEmhart: 99 patents #2 of 338Top 1%
ALAgio International Company, Limited: 14 patents #2 of 18Top 15%
BJBrown Jordan: 1 patents #10 of 12Top 85%
TCThe Lane Company: 1 patents #11 of 22Top 50%
TCTropitone Furniture Co.: 1 patents #9 of 13Top 70%
South Pasadena, CA: #2 of 313 inventorsTop 1%
California: #1,525 of 386,348 inventorsTop 1%
Overall (All Time): #9,677 of 4,157,543Top 1%
122 Patents All Time

Issued Patents All Time

Showing 76–100 of 122 patents

Patent #TitleCo-InventorsDate
D381402 Faucet Darren M. Mark 1997-07-22
D381401 Faucet Darren M. Mark 1997-07-22
D381400 Faucet Darren M. Mark 1997-07-22
D381399 Faucet Darren M. Mark 1997-07-22
D381398 Faucet body Darren M. Mark 1997-07-22
D380810 Faucet Darren M. Mark 1997-07-08
D379848 Spout Darren M. Mark 1997-06-10
D379214 Faucet set Darren M. Mark 1997-05-13
D378269 Handle Darren M. Mark 1997-03-04
D378230 Faucet Darren M. Mark 1997-02-25
D377517 Spout Darren M. Mark 1997-01-21
D377516 Faucet Darren M. Mark 1997-01-21
D376414 Faucet Darren M. Mark 1996-12-10
D375542 Faucet Darren M. Mark 1996-11-12
D375143 Faucet Darren M. Mark 1996-10-29
D375142 Faucet Darren M. Mark 1996-10-29
D375144 Faucet body Darren M. Mark 1996-10-29
D375145 Faucet Darren M. Mark 1996-10-29
D375146 Faucet Darren M. Mark 1996-10-29
D375147 Faucet Darren M. Mark 1996-10-29
D374709 Faucet base Darren M. Mark 1996-10-15
D374708 Faucet Darren M. Mark 1996-10-15
D374707 Faucet Darren M. Mark 1996-10-15
D374706 Faucet Darren M. Mark 1996-10-15
D374478 Faucet Darren M. Mark 1996-10-08