Inventor · disambiguated record
Larry D. Grina
Also filed as: GRINA LARRY D · GRINA LARRY DALE
15 granted patents·336 citations·filing 1985–1998
94Inventor score
Top patents by PatentIndex Score
15 records- 0194US5955405A(Meth) acrylate copolymers having excellent low temperature propertiesETHYL CORP·Filed 1998·Granted Sep 21, 1999·107 cites·25 claims
- 0285US4640788AHydrocarbon compositions containing polyolefin graft polymersTEXACO INC·Filed 1985·Granted Feb 3, 1987·42 cites·45 claims
- 0378US4904404ALubricating oil containing viscosity index improverTEXACO INC·Filed 1989·Granted Feb 27, 1990·28 cites·27 claims
- 0478US4780230ALubricating oil containing a mannich baseTEXACO INC·Filed 1987·Granted Oct 25, 1988·31 cites·14 claims
- 0576US4812261ALubricating oil containing viscosity index improverTEXACO INC·Filed 1987·Granted Mar 14, 1989·24 cites·40 claims
- 0672US4820776AHydrocarbon compositions containing polyolefin graft polymers having amine and phenothiazine grafted moietiesTEXACO INC·Filed 1985·Granted Apr 11, 1989·21 cites·3 claims
- 0765US4952637AHydrocarbon compositions containing polyolefin graft polymersTEXACO INC·Filed 1988·Granted Aug 28, 1990·17 cites·2 claims
- 0864US4877834ALubricating oil containing a Mannich baseTEXACO INC·Filed 1988·Granted Oct 31, 1989·18 cites·25 claims
- 0958US4816172AClear high-performance multifunction VI improversTEXACO INC·Filed 1987·Granted Mar 28, 1989·15 cites·19 claims
- 1052US4886611AHydrocarbon compositions containing polyolefin graft polymersTEXACO INC·Filed 1988·Granted Dec 12, 1989·10 cites·11 claims
- 1149US4877415AHydrocarbon compositions containing polyolefin graft polymersTEXACO INC·Filed 1988·Granted Oct 31, 1989·9 cites·12 claims
- 1246US4842756AMultifunctional viscosity index improverTEXACO INC·Filed 1987·Granted Jun 27, 1989·6 cites·8 claims
- 1344US4798678AHydrocarbon containing anti-oxidant systemTEXACO INC·Filed 1987·Granted Jan 17, 1989·4 cites·20 claims
- 1436US4836943AAnti-oxidant systemTEXACO INC·Filed 1987·Granted Jun 6, 1989·4 cites·19 claims
- 1530US5520829ALubricating oil containing dispersant viscosity index improverTEXACO INC·Filed 1995·Granted May 28, 1996·0 cites·23 claims
Join the waitlist — get patent alerts
Get an alert when Larry D. Grina files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →