Inventor · disambiguated record
Franklin B. Piehl
Also filed as: PIEHL FRANKLIN B · PIEHL FRANKLIN BILLY
4 granted patents·47 citations·filing 1999–2004
76Inventor score
Top patents by PatentIndex Score
4 records- 0172US6742538B1Method and apparatus for orbital and seal welded relief device on a compressed gas cylinderWESTERN VALVE·Filed 2002·Granted Jun 1, 2004·24 cites·12 claims
- 0247US7270140B2Poppet valve assemblyADERHOLT STEVEN K·Filed 2004·Granted Sep 18, 2007·6 cites·9 claims
- 0345US7066193B2Poppet shear protection apparatus and systemADERHOLT STEVEN K·Filed 2003·Granted Jun 27, 2006·5 cites·26 claims
- 0443US6142346ACluster-type relief deviceFiled 1999·Granted Nov 7, 2000·12 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →