Inventor · disambiguated record
Frederick J. Ravagnani
Also filed as: HERGENROTHER WILLIAM L · RAVAGNANI FREDERICK J · RAVAGNANI FREDERICK JOSEPH · SCHONFELD STEVEN E
13 granted patents·1 pending application·385 citations·filing 1975–2006
93Inventor score
Top patents by PatentIndex Score
14 records- 0197US5494091AHigh modulus low hysteresis rubber compound for pneumatic tiresBRIDGESTONE CORP·Filed 1995·Granted Feb 27, 1996·163 cites·9 claims
- 0293US7393564B2Rubber compositions and articles thereof having improved metal adhesionBRIDGESTONE FIRESTONE NORTH AM·Filed 2006·Granted Jul 1, 2008·23 cites·18 claims
- 0392US7201944B2Rubber compositions and articles thereof having improved metal adhesion and metal adhesion retention with bright steelBRIDGESTONE FIRESTONE NORTH AM·Filed 2002·Granted Apr 10, 2007·28 cites·20 claims
- 0488US5464899AHigh modulus low hysteresis rubber compound for pneumatic tiresBRIDGESTONE CORP·Filed 1994·Granted Nov 7, 1995·32 cites·13 claims
- 0587US5494958AHigh modulus low hysteresis rubber compound for pneumatic tiresBRIDGESTONE CORP·Filed 1995·Granted Feb 27, 1996·50 cites·9 claims
- 0679US4745145ARubber compositions and articles thereof having improved metal adhesion and metal adhesion retentionFIRESTONE TIRE & RUBBER CO·Filed 1983·Granted May 17, 1988·28 cites·8 claims
- 0766US4016916ATire ply steer controlFIRESTONE TIRE & RUBBER CO·Filed 1975·Granted Apr 12, 1977·15 cites·2 claims
- 0865US4203874AMethod, composition and product with improved adhesion between a metal member and a contiguous cured rubber skim stockFIRESTONE TIRE & RUBBER CO·Filed 1978·Granted May 20, 1980·15 cites·12 claims
- 0953US5484005APneumatic tire with air retention carcassBRIDGESTONE CORP·Filed 1994·Granted Jan 16, 1996·9 cites·9 claims
- 1049US4239663AMethod, composition and product with improved adhesion between a metal member and a contiguous rubber skim stockFIRESTONE TIRE & RUBBER CO·Filed 1978·Granted Dec 16, 1980·8 cites·12 claims
- 1145US2005119383A1Rubber compositions and articles thereof having improved metal adhesion and metal adhesion retention with bright steelFiled 2005·Application pending·0 cites
- 1241US5962593APoly (metal carboxylate) grafted rubbers with high modulusBRIDGESTONE CORP·Filed 1994·Granted Oct 5, 1999·4 cites·16 claims
- 1340US4195679AComposition and product with improved adhesion between a metal member and a contiguous cured rubber skim stockFIRESTONE TIRE & RUBBER CO·Filed 1978·Granted Apr 1, 1980·5 cites·12 claims
- 1436US4324281AMethod, composition and product employing a tetracarboxylic dianhydride to improve adhesion between a metal member and a contiguous rubber skim stockFIRESTONE TIRE & RUBBER CO·Filed 1980·Granted Apr 13, 1982·5 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →