Inventor · disambiguated record
Willis E. Tupper
Also filed as: TUPPER WILLIS E
7 granted patents·171 citations·filing 1978–2003
87Inventor score
Top patents by PatentIndex Score
7 records- 0189US4165816AVent capDAPCO IND·Filed 1978·Granted Aug 28, 1979·66 cites·6 claims
- 0265US5115837ABall fuel valve with reserve positionTUPPER WILLIS E·Filed 1991·Granted May 26, 1992·30 cites·7 claims
- 0364US5906224AReserve fuel valve and method for makingDAPCO IND·Filed 1996·Granted May 25, 1999·29 cites·6 claims
- 0457US5071325ACombination primer and mixture enrichment deviceTUPPER WILLIS E·Filed 1990·Granted Dec 10, 1991·21 cites·14 claims
- 0554US6820649B1Ball fuel valve with concentrically oriented feed pointsFiled 2003·Granted Nov 23, 2004·6 cites·4 claims
- 0648US5256040APriming pump valveDAVCO MFG·Filed 1992·Granted Oct 26, 1993·11 cites·2 claims
- 0742US5307770APriming pump valveDAVCO MFG·Filed 1993·Granted May 3, 1994·8 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →