Inventor · disambiguated record
Calvin W. Schroeck
Also filed as: SCHROECK CALVIN W · SCHROECK CALVIN WILLIAM
26 granted patents·1 pending application·1,063 citations·filing 1973–2019
97Inventor score
Top patents by PatentIndex Score
27 records- 0198US4741848ABoron-containing compositions, and lubricants and fuels containing sameLUBRIZOL CORP·Filed 1986·Granted May 3, 1988·146 cites·34 claims
- 0297US4952328ALubricating oil compositionsLUBRIZOL CORP·Filed 1988·Granted Aug 28, 1990·115 cites·68 claims
- 0397US4289635AProcess for preparing molybdenum-containing compositions useful for improved fuel economy of internal combustion enginesLUBRIZOL CORP·Filed 1980·Granted Sep 15, 1981·101 cites·82 claims
- 0496US4904401ALubricating oil compositionsLUBRIZOL CORP·Filed 1988·Granted Feb 27, 1990·136 cites·43 claims
- 0596US4308154AMixed metal salts and lubricants and functional fluids containing themLUBRIZOL CORP·Filed 1980·Granted Dec 29, 1981·97 cites·14 claims
- 0696US4263150APhosphite treatment of phosphorus acid salts and compositions produced therebyLUBRIZOL CORP·Filed 1979·Granted Apr 21, 1981·80 cites·22 claims
- 0795US10913915B2Composition containing heterocyclic compounds and a method of lubricating an internal combustion engineLUBRIZOL CORP·Filed 2019·Granted Feb 9, 2021·2 cites·10 claims
- 0895US4417990AMixed metal salts/sulfurized phenate compositions and lubricants and functional fluids containing themLUBRIZOL CORP·Filed 1981·Granted Nov 29, 1983·75 cites·35 claims
- 0992US4466895AMetal salts of lower dialkylphosphorodithioic acidsLUBRIZOL CORP·Filed 1983·Granted Aug 21, 1984·48 cites·25 claims
- 1091US4981602ALubricating oil compositions and concentratesLUBRIZOL CORP·Filed 1988·Granted Jan 1, 1991·66 cites·105 claims
- 1189US4959168ASulfurized compositions, and additive concentrates and lubricating oils containing sameLUBRIZOL CORP·Filed 1988·Granted Sep 25, 1990·49 cites·41 claims
- 1286US8785357B2Composition containing heterocyclic compounds and a method of lubricating an internal combustion engineMOSIER PATRICK E·Filed 2009·Granted Jul 22, 2014·6 cites·3 claims
- 1384US3960918APreparation of esters of amidoalkanesulfonic acidsLUBRIZOL CORP·Filed 1974·Granted Jun 1, 1976·14 cites·13 claims
- 1481US4579666APhosphorus-containing metal salt/olefin compositions and reaction products of same with active sulfurLUBRIZOL CORP·Filed 1984·Granted Apr 1, 1986·13 cites·98 claims
- 1580US3937721AMethod for the preparation of sulfonic acid esters from free sulfonic acidsLUBRIZOL CORP·Filed 1974·Granted Feb 10, 1976·11 cites·4 claims
- 1678US5300242AMetal overbased and gelled natural oilsLUBRIZOL CORP·Filed 1992·Granted Apr 5, 1994·24 cites·12 claims
- 1773US10550348B2Composition containing heterocyclic compounds and a method of lubricating an internal combustion engineLUBRIZOL CORP·Filed 2018·Granted Feb 4, 2020·0 cites·8 claims
- 1872US5616816ATertiary alkyl alkylphenols and organic compositions containing sameLUBRIZOL CORP·Filed 1995·Granted Apr 1, 1997·25 cites·24 claims
- 1969US4254257AAmine salts of acidic microbial polysaccharides and their use in recovery of such polysaccharidesLUBRIZOL CORP·Filed 1979·Granted Mar 3, 1981·11 cites·22 claims
- 2068US4094739AMethod for purifying microbial polysaccharidesLUBRIZOL CORP·Filed 1976·Granted Jun 13, 1978·11 cites·9 claims
- 2162US9982210B2Composition containing heterocyclic compounds and a method of lubricating an internal combustion engineLUBRIZOL CORP·Filed 2013·Granted May 29, 2018·0 cites·1 claims
- 2256US6002051ATertiary alkyl alkylphenols and organic compositions containing sameLUBRIZOL CORP·Filed 1992·Granted Dec 14, 1999·11 cites·16 claims
- 2356US4507215APhosphorus-containing metal salt/olefin compositions and reaction products of same with active sulfurLUBRIZOL CORP·Filed 1983·Granted Mar 26, 1985·11 cites·46 claims
- 2449US9493724B2Delivery of substantially insoluble additives to functional fluidsSCHROECK CALVIN W·Filed 2009·Granted Nov 15, 2016·0 cites·5 claims
- 2546US2011245116A1Lubricating Oil Composition and Method of Improving Efficiency of Emissions Control SystemLUBRIZOL CORP·Filed 2007·Application pending·0 cites
- 2643US5508331AMetal overbased and gelled natural oilsLUBRIZOL CORP·Filed 1994·Granted Apr 16, 1996·7 cites·16 claims
- 2743US3956354AMethod for the preparation of sulfonic acid esters from free sulfonic acidsLUBRIZOL CORP·Filed 1973·Granted May 11, 1976·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →