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 51–75 of 122 patents

Patent #TitleCo-InventorsDate
D385016 Faucet Darren M. Mark 1997-10-14
D384730 Handle Darren M. Mark 1997-10-07
D384402 Faucet Darren M. Mark 1997-09-30
D384401 Faucet Darren M. Mark 1997-09-30
D384400 Faucet Darren M. Mark 1997-09-30
D384397 Faucet Darren M. Mark 1997-09-30
D384396 Faucet body Darren M. Mark 1997-09-30
D384395 Faucet Darren M. Mark 1997-09-30
D384394 Faucet Darren M. Mark 1997-09-30
D384393 Faucet body Darren M. Mark 1997-09-30
D384392 Faucet Darren M. Mark 1997-09-30
D384132 Faucet Darren M. Mark 1997-09-23
D384130 Faucet Darren M. Mark 1997-09-23
D384131 Faucet Darren M. Mark 1997-09-23
D384133 Faucet Darren M. Mark 1997-09-23
D383371 Knob Darren M. Mark 1997-09-09
D383523 Handle Darren M. Mark 1997-09-09
D383194 Faucet base Darren M. Mark 1997-09-02
D382943 Flange Darren M. Mark 1997-08-26
D382629 Faucet Darren M. Mark 1997-08-19
D382630 Faucet Darren M. Mark 1997-08-19
D382330 Faucet Darren M. Mark 1997-08-12
D382044 Faucet Darren M. Mark 1997-08-05
D381404 Faucet Darren M. Mark 1997-07-22
D381403 Faucet Darren M. Mark 1997-07-22