Inventor · North Ridgeville, OH, US

Douglas A. Kemp

60Patents
12h-index
9Co-inventors
73Inventor score

Filing activity: Apr 22, 1999 → Sep 12, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
USD461878S1 Tub/shower control knob General 92 Expired
USD463013S1 Faucet spout General 55 Expired
USD460158S1 Faucet handle General 40 Expired
USD444856S Faucet handle General 30 Expired
USD460523S1 Faucet General 18 Expired
USD446842S Faucet spout General 14 Expired
USD460161S1 Faucet handle General 14 Expired
USD502534S1 Faucet General 13 Expired
USD514667S1 Spout General 13 Expired
USD517660S1 Handle General 13 Expired
USD469162S1 Faucet General 12 Expired
USD545403S1 Spout General 12 Expired
USD476722S1 Shower control General 11 Expired
USD521126S1 Spout General 11 Expired
USD468403S1 Faucet General 11 Expired
USD467644S1 Faucet General 11 Expired
USD460525S1 Faucet General 11 Expired
USD477058S1 Shower control General 11 Expired
USD459789S1 Faucet General 10 Expired
USD467998S1 Faucet General 10 Expired
USD468402S1 Faucet General 10 Expired
USD468400S1 Faucet General 9 Expired
USD476399S1 Shower control General 9 Expired
USD428473S Kitchen faucet body General 9 Expired
USD564633S1 Handle General 9 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.