Inventor · disambiguated record
Harold J. Beard
Also filed as: BEARD HAROLD · BEARD HAROLD J
17 granted patents·266 citations·filing 1980–1994
94Inventor score
Top patents by PatentIndex Score
17 records- 0181US4360420ADistillation and solvent extraction process for rerefining used lubricating oilDELTA CENTRAL REFINING INC·Filed 1980·Granted Nov 23, 1982·33 cites·29 claims
- 0280US4383922AWaste water clarifierBEARD HAROLD J·Filed 1982·Granted May 17, 1983·39 cites·7 claims
- 0377US4780206ATurbulence control systemBEARD HAROLD J·Filed 1987·Granted Oct 25, 1988·35 cites·18 claims
- 0473US4389312AVariable venturi sewerage aeratorBEARD HAROLD·Filed 1981·Granted Jun 21, 1983·31 cites·1 claims
- 0568US4342645AMethod of rerefining used lubricating oilDELTA CENTRAL REFINING INC·Filed 1980·Granted Aug 3, 1982·19 cites·20 claims
- 0661US5084167AOxidation ditch for treatment of waste waterBEARD HAROLD J·Filed 1989·Granted Jan 28, 1992·24 cites·5 claims
- 0758US5275722AOxidation ditch wastewater treatment and denitrification systemBEARD HAROLD J·Filed 1992·Granted Jan 4, 1994·20 cites·11 claims
- 0853US4362625AWaste water clarifierBEARD HAROLD·Filed 1981·Granted Dec 7, 1982·15 cites·7 claims
- 0950US4457844AContinuous waste water clarification processBEARD HAROLD J·Filed 1983·Granted Jul 3, 1984·11 cites·23 claims
- 1043US4626353ASide skimmer for use in a channelBEARD HAROLD J·Filed 1985·Granted Dec 2, 1986·10 cites·5 claims
- 1138US4839050ASkimmer systemBEARD HAROLD J·Filed 1987·Granted Jun 13, 1989·7 cites·7 claims
- 1233US4436632AClarifier skimmerBEARD HAROLD J·Filed 1983·Granted Mar 13, 1984·4 cites·2 claims
- 1331US5476583AMixed liquor wasting systemUNITED IND INC·Filed 1994·Granted Dec 19, 1995·4 cites·15 claims
- 1431US4634528AFilter for intra-channel clarificationBEARD HAROLD J·Filed 1985·Granted Jan 6, 1987·3 cites·13 claims
- 1530US5360538AMixed liquor wasting systemBEARD HAROLD J·Filed 1991·Granted Nov 1, 1994·3 cites·15 claims
- 1629US5556538ADenitrification systemFiled 1994·Granted Sep 17, 1996·5 cites·6 claims
- 1729US4950406AFlow adjusting vane for intra-channel clarifierUNITED IND INC·Filed 1989·Granted Aug 21, 1990·3 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →