Inventor · disambiguated record
David E. Ripple
Also filed as: RIPPLE DAVID · RIPPLE DAVID E · RIPPLE DAVID EUGENE
16 granted patents·1 pending application·558 citations·filing 1976–2019
94Inventor score
Top patents by PatentIndex Score
17 records- 0196US4904401ALubricating oil compositionsLUBRIZOL CORP·Filed 1988·Granted Feb 27, 1990·136 cites·43 claims
- 0294US6596672B1Low ash lubricant compositions containing multiple overbased materials and multiple antioxidantsLUBRIZOL CORP·Filed 2002·Granted Jul 22, 2003·53 cites·12 claims
- 0392US4957649ALubricating oil compositions and concentratesLUBRIZOL CORP·Filed 1988·Granted Sep 18, 1990·68 cites·42 claims
- 0492US4938881ALubricating oil compositions and concentratesLUBRIZOL CORP·Filed 1988·Granted Jul 3, 1990·75 cites·46 claims
- 0591US4981602ALubricating oil compositions and concentratesLUBRIZOL CORP·Filed 1988·Granted Jan 1, 1991·66 cites·105 claims
- 0685US5259967ALow ash lubricant compositionLUBRIZOL CORP·Filed 1992·Granted Nov 9, 1993·39 cites·44 claims
- 0783US5328620AOil additive package useful in diesel engine and transmission lubricantsLUBRIZOL CORP·Filed 1992·Granted Jul 12, 1994·36 cites·79 claims
- 0883US5202036ADiesel lubricants and methodsLUBRIZOL CORP·Filed 1992·Granted Apr 13, 1993·35 cites·37 claims
- 0978US11019898B2Picnic food transportation assemblyRIPPLE DAVID·Filed 2019·Granted Jun 1, 2021·5 cites·8 claims
- 1066US4194886AHaloalkyl hydroxy-aromatic condensation products as fuel additivesLUBRIZOL CORP·Filed 1979·Granted Mar 25, 1980·16 cites·7 claims
- 1160US4081387APhosphorus-containing lubricating compositionsLUBRIZOL CORP·Filed 1977·Granted Mar 28, 1978·12 cites·19 claims
- 1254US5674819ACarboxylic compositions, derivatives,lubricants, fuels and concentratesLUBRIZOL CORP·Filed 1995·Granted Oct 7, 1997·14 cites·76 claims
- 1348US2009215657A1Zinc-Free Farm Tractor FluidLUBRIZOL CORP·Filed 2006·Application pending·0 cites
- 1435US4186157APhosphorus-containing reaction mixtureLUBRIZOL CORP·Filed 1978·Granted Jan 29, 1980·3 cites·17 claims
- 1529US4108783AHaloalkyl hydroxy-aromatic condensation products as fuel and lubricant additivesLUBRIZOL CORP·Filed 1976·Granted Aug 22, 1978·0 cites·22 claims
- 1628US4179449AHaloalkyl hydroxy-aromatic condensation products as fuel and lubricant additivesLUBRIZOL CORP·Filed 1978·Granted Dec 18, 1979·0 cites·19 claims
- 1728US4176077AHaloalkyl hydroxy-aromatic condensation products as lubricant additivesLUBRIZOL CORP·Filed 1978·Granted Nov 27, 1979·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →