Inventor · disambiguated record
John A. Cleverley
Also filed as: CLEVERLEY JOHN A · CLEVERLEY JOHN ARTHUR
10 granted patents·142 citations·filing 1983–2000
90Inventor score
Files withEXXON CHEMICAL PATENTS INC5INFINEUM USA LP3EXXON CHEMICAL CO1EXXON RESEARCH ENGINEERING CO1
Top patents by PatentIndex Score
10 records- 0185US6153564ALubricating oil compositionsINFINEUM USA LP·Filed 1999·Granted Nov 28, 2000·44 cites·20 claims
- 0271US5534168APreparation of overbased magnesium sulphonatesEXXON CHEMICAL PATENTS INC·Filed 1992·Granted Jul 9, 1996·25 cites·11 claims
- 0368US5883056AMagnesium low base number sulphonatesEXXON CHEMICAL PATENTS INC·Filed 1996·Granted Mar 16, 1999·10 cites·6 claims
- 0467US6569821B1Overbased metal detergentsINFINEUM USA LP·Filed 2000·Granted May 27, 2003·13 cites·17 claims
- 0554US6211123B1Lubricating oil compositionsINFINEUM USA LP·Filed 1999·Granted Apr 3, 2001·10 cites·24 claims
- 0652US4957642AMagnesium phenate detergentsEXXON CHEMICAL PATENTS INC·Filed 1988·Granted Sep 18, 1990·12 cites·13 claims
- 0749US4797217AOverbased additivesEXXON CHEMICAL PATENTS INC·Filed 1986·Granted Jan 10, 1989·10 cites·9 claims
- 0848US5922655AMagnesium low rate number sulphonatesEXXON CHEMICAL CO·Filed 1998·Granted Jul 13, 1999·3 cites·10 claims
- 0948US4557872ABasic alkaline earth metal sulphonatesEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Dec 10, 1985·6 cites·7 claims
- 1047US4839094AOverbased alkali metal additivesEXXON CHEMICAL PATENTS INC·Filed 1987·Granted Jun 13, 1989·9 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →