Inventor · disambiguated record
John E. Letcher
Also filed as: LETCHER JOHN E
7 granted patents·239 citations·filing 1992–1996
88Inventor score
Files withCHRYSLER CORP7
Top patents by PatentIndex Score
7 records- 0191US5255661AMethod for determining fuel composition using oxygen sensor feedback controlCHRYSLER CORP·Filed 1992·Granted Oct 26, 1993·63 cites·15 claims
- 0282US5606121AMethod of testing an evaporative emission control systemCHRYSLER CORP·Filed 1996·Granted Feb 25, 1997·43 cites·6 claims
- 0381US5651350AMethod of leak detection for an evaporative emission control systemCHRYSLER CORP·Filed 1996·Granted Jul 29, 1997·38 cites·15 claims
- 0474US5715799AMethod of leak detection during low engine vacuum for an evaporative emission control systemCHRYSLER CORP·Filed 1996·Granted Feb 10, 1998·31 cites·4 claims
- 0566US5520162ABoiloff for a flexible fuel compensation systemCHRYSLER CORP·Filed 1995·Granted May 28, 1996·24 cites·5 claims
- 0664US5415145AStart fuel decay for a flexible fuel compensation systemCHRYSLER CORP·Filed 1993·Granted May 16, 1995·20 cites·12 claims
- 0758US5651349APurge system flow monitor and methodCHRYSLER CORP·Filed 1995·Granted Jul 29, 1997·20 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →