Inventor · disambiguated record
Jack R. Clifford
Also filed as: CLIFFORD JACK R
5 granted patents·84 citations·filing 1979–1980
82Inventor score
Technology areasE03F
Top patents by PatentIndex Score
5 records- 0171US4337096AMethod and implement for cleaning drainsPRATT PAUL L·Filed 1980·Granted Jun 29, 1982·34 cites·10 claims
- 0263US4326893AImplement and method for cleaning tubular drainsPRATT PAUL L·Filed 1980·Granted Apr 27, 1982·22 cites·9 claims
- 0345US4218803AImplement for cleaning tubular culvertsCLIFFORD JACK R·Filed 1979·Granted Aug 26, 1980·10 cites·11 claims
- 0439US4356039AMethod for cleaning drains and waterwaysPRATT PAUL L·Filed 1980·Granted Oct 26, 1982·10 cites·6 claims
- 0537US4216561AImplement for cleaning box culvertsCLIFFORD JACK R·Filed 1979·Granted Aug 12, 1980·8 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →