Inventor · disambiguated record
Dale L. Grave
Also filed as: GRAVE DALE L
7 granted patents·312 citations·filing 1982–1995
89Inventor score
Technology areasA47L
Top patents by PatentIndex Score
7 records- 0191US4466155ARecycling cleaning apparatusGRAVE DALE L·Filed 1982·Granted Aug 21, 1984·78 cites·5 claims
- 0278US4649594ACleaning head for smooth and napped surface covering materialsGRAVE DALE L·Filed 1985·Granted Mar 17, 1987·47 cites·12 claims
- 0378US4488330ARug and upholstery cleaning apparatusGRAVE DALE L·Filed 1982·Granted Dec 18, 1984·45 cites·7 claims
- 0470US5555598ACleaning tool head with overlapping and offset fluid spray patternsCFR CORP·Filed 1995·Granted Sep 17, 1996·42 cites·24 claims
- 0570US4720889APerimeter seal structure for a cleaning headGRAVE DALE L·Filed 1987·Granted Jan 26, 1988·35 cites·11 claims
- 0669US4654925ANozzle structure for a surface covering cleaning machineGRAVE DALE L·Filed 1986·Granted Apr 7, 1987·36 cites·9 claims
- 0763US4696075AFilter structureGRAVE DALE L·Filed 1986·Granted Sep 29, 1987·29 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →