Inventor · disambiguated record
Donald G. Campbell
Also filed as: CAMPBELL DONALD G · CAMPBELL JR DONALD GORDON
10 granted patents·313 citations·filing 1962–2007
91Inventor score
Top patents by PatentIndex Score
10 records- 0193US6777367B2Method for the preparation of metallocene catalystsFINA TECHNOLOGY·Filed 2001·Granted Aug 17, 2004·49 cites·32 claims
- 0291US5942470ALubricant compositionsETHYL PETROLEUM ADDITIVES INC·Filed 1998·Granted Aug 24, 1999·72 cites·10 claims
- 0386US5225093AGear oil additive compositions and gear oils containing the sameETHYL PETROLEUM ADDITIVES INC·Filed 1992·Granted Jul 6, 1993·44 cites·33 claims
- 0477US5176840AGear oil additive composition and gear oil containing the sameETHYL PETROLEUM ADDITIVES INC·Filed 1990·Granted Jan 5, 1993·28 cites·45 claims
- 0571US5599030AWear rods for skis of snowmobiles and similar vehiclesFiled 1994·Granted Feb 4, 1997·43 cites·10 claims
- 0670US5145195ASteering skis for snowmobiles and similar vehiclesCAMPBELL NORMAN A·Filed 1990·Granted Sep 8, 1992·47 cites·12 claims
- 0756US7211536B2Supported metallocene catalysts and their use in producing stereospecific polymersFINA TECHNOLOGY·Filed 2004·Granted May 1, 2007·2 cites·7 claims
- 0853US5358295ATong/disposable bag combinationCAMPBELL DONALD G·Filed 1994·Granted Oct 25, 1994·22 cites·1 claims
- 0947US3952300ASonar target converterCAMPBELL DONALD G·Filed 1962·Granted Apr 20, 1976·5 cites·14 claims
- 1042US7368411B2Supported metallocene catalysts and their use in producing stereospecific polymersFINA TECHNOLOGY·Filed 2007·Granted May 6, 2008·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →