Inventor · disambiguated record
Frank Castor
Also filed as: CASTOR FRANK · CASTOR FRANK L
6 granted patents·1 pending application·52 citations·filing 1976–2009
82Inventor score
Top patents by PatentIndex Score
7 records- 0189US7293627B2Active exhaust mufflerEBERSPAECHER J GMBH & CO·Filed 2005·Granted Nov 13, 2007·20 cites·28 claims
- 0279US7533759B2Active muffler for an exhaust systemEBERSPAECHER J GMBH & CO·Filed 2007·Granted May 19, 2009·12 cites·20 claims
- 0377US7891463B2Active mufflerEBERSPAECHER J GMBH & CO·Filed 2009·Granted Feb 22, 2011·7 cites·24 claims
- 0464US7849960B2SilencerEBERSPAECHER J GMBH & CO·Filed 2008·Granted Dec 14, 2010·3 cites·13 claims
- 0563US7651316B2Conveying member, especially rotor or stator, for conveying a flowable, preferably gaseous mediumEBERSPAECHER J GMBH & CO·Filed 2005·Granted Jan 26, 2010·4 cites·17 claims
- 0651USD248790SLantern holder or similar articleCASTOR FRANK L·Filed 1976·Granted Aug 1, 1978·6 cites·1 claims
- 0743US2007205043A1Active muffler for an exhaust systemKRUEGER JAN·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Frank Castor files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →