Inventor · disambiguated record
David Schroepfer
Also filed as: SCHROEPFER DAVID J
2 granted patents·4 pending applications·26 citations·filing 1991–2006
60Inventor score
Files withCIRCLE SEAL CONTROLS INC1CIRCOR INTERNATIONAL INC1ROGERSON AIRCRAFT CORP1SCHROEPFER DAVID J1
Top patents by PatentIndex Score
6 records- 0154US6666525B1Spoked wheel apparatusFiled 2002·Granted Dec 23, 2003·12 cites·16 claims
- 0242US5111839AAirplane toilet drain valve assemblyROGERSON AIRCRAFT CORP·Filed 1991·Granted May 12, 1992·14 cites·20 claims
- 0342US2007215833A1Strap actuated flapper valveCIRCOR INTERNATIONAL INC·Filed 2006·Application pending·0 cites
- 0442US2006225794A1Vent and relief valveCIRCLE SEAL CONTROLS INC·Filed 2006·Application pending·0 cites
- 0528US2006090341A1Method of manufacturing solid ring wheel rimsSCHROEPFER DAVID J·Filed 2004·Application pending·0 cites
- 0627US2004025977A1Wheel rim production methodFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →