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 26–50 of 122 patents

Patent #TitleCo-InventorsDate
D404467 Faucet Darren M. Mark 1999-01-19
D403410 Faucet Darren M. Mark 1998-12-29
D399929 Spout Darren M. Mark, Alvin Tolosa 1998-10-20
D399931 Spout Darren M. Mark, Alvin Tolosa 1998-10-20
D399928 Spout Darren M. Mark, Alvin Tolosa 1998-10-20
D399927 Spout Darren M. Mark, Alvin Tolosa 1998-10-20
D398957 Faucet body and spout Darren M. Mark, Alvin Tolosa 1998-09-29
D398964 Spout Darren M. Mark, Alvin Tolosa 1998-09-29
D396094 Pull-out spout for faucet Darren M. Mark 1998-07-14
D395812 Handle hub Darren M. Mark 1998-07-07
D395486 Handle Darren M. Mark 1998-06-23
D394699 Faucet Darren M. Mark 1998-05-26
D393696 Faucet body and spout Darren M. Mark, Alvin Tolosa 1998-04-21
D393054 Faucet body and spout Darren M. Mark, Alvin Tolosa 1998-03-31
D393053 Faucet body and spout Darren M. Mark, Alvin Tolosa 1998-03-31
D392720 Handle hub Darren M. Mark 1998-03-24
D392721 Handle Darren M. Mark, Alvin Tolosa 1998-03-24
D392027 Spout Darren M. Mark, Alvin Tolosa 1998-03-10
D392026 Faucet body Darren M. Mark 1998-03-10
D392025 Faucet Darren M. Mark, Alvin Tolosa 1998-03-10
D391831 Handle hub Darren M. Mark 1998-03-10
D388158 Faucet with pull-out spout Darren M. Mark 1997-12-23
D387417 Faucet body Darren M. Mark 1997-12-09
D386665 Handle Darren M. Mark 1997-11-25
D385956 Sleeve with flange Darren M. Mark 1997-11-04