Inventor · disambiguated record
Arlen M. Knight
Also filed as: HACHTMANN WILLIAM R · KNIGHT ARLEN M
5 granted patents·300 citations·filing 1975–1989
85Inventor score
Technology areasA47L
Top patents by PatentIndex Score
5 records- 0195US4083077AHand tool for cleaning fabricKNIGHT ARLEN M·Filed 1975·Granted Apr 11, 1978·161 cites·2 claims
- 0281US4159554AFabric cleaning hand tool with recirculating systemKNIGHT ARLEN M·Filed 1977·Granted Jul 3, 1979·49 cites·3 claims
- 0379USD266962SFabric cleaning headHACHTMANN WILLIAM R·Filed 1980·Granted Nov 16, 1982·19 cites·1 claims
- 0478US4161802ADrapery and drapery pleat cleaning tool headHACHTMANN WILLIAM R·Filed 1978·Granted Jul 24, 1979·46 cites·6 claims
- 0550US4974282AUpholstery cleaning systemKLEEN RITE UPHOLSTERY & CARPET·Filed 1989·Granted Dec 4, 1990·25 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →