Inventor · disambiguated record
John D. Pfeffer
Also filed as: PFEFFER JOHN D
10 granted patents·189 citations·filing 1987–1995
91Inventor score
Top patents by PatentIndex Score
10 records- 0183US4878482AInsulated fluid storage unit and method of makingSMITH CORP A O·Filed 1988·Granted Nov 7, 1989·43 cites·24 claims
- 0278US4749532AMethod of and apparatus for fabrication of an insulated fluid storage unitSMITH CORP A O·Filed 1987·Granted Jun 7, 1988·34 cites·19 claims
- 0369US4790290AMethod and apparatus for foam insulating a vesselSMITH CORP A O·Filed 1987·Granted Dec 13, 1988·25 cites·16 claims
- 0459US4957097AFoam insulated vessel and method of making the sameAOS HOLDING CO·Filed 1988·Granted Sep 18, 1990·19 cites·5 claims
- 0559US4773977AAnode mounting construction for a water heaterSMITH CORP A O·Filed 1987·Granted Sep 27, 1988·17 cites·12 claims
- 0651US5002709AMethod of making a foam insulated vesselSMITH CORP A O·Filed 1989·Granted Mar 26, 1991·14 cites·12 claims
- 0749US4945892AWater heater with outer jacket damSMITH CORP A O·Filed 1989·Granted Aug 7, 1990·15 cites·11 claims
- 0847US4890762AWater heater with dam draped over flangeSMITH CORP A O·Filed 1989·Granted Jan 2, 1990·11 cites·2 claims
- 0939US4784087AClamping apparatus for use in foaming water heatersSMITH CORP A O·Filed 1987·Granted Nov 15, 1988·7 cites·15 claims
- 1035US5648158AMethod of protecting metal against corrosion and a vehicle including a structural member protected by the method in high temperature areasSMITH CORP A O·Filed 1995·Granted Jul 15, 1997·4 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →