Inventor · disambiguated record
William John Penninger
Also filed as: PENNINGER WILLIAM J · PENNINGER WILLIAM JOHN
13 granted patents·1 pending application·58 citations·filing 1990–2016
88Inventor score
Top patents by PatentIndex Score
14 records- 0180US6343469B1Hydraulic system regulator for a brake and steering systemBOSCH ROBERT CORP·Filed 2000·Granted Feb 5, 2002·19 cites·10 claims
- 0277US8366205B1Blended hydraulic brake boosterBOSCH GMBH ROBERT·Filed 2008·Granted Feb 5, 2013·7 cites·8 claims
- 0363US6729450B1Electro-hydraulic brake boosterBOSCH ROBERT CORP·Filed 2002·Granted May 4, 2004·8 cites·20 claims
- 0455US6959637B1Vacuum brake boosterBOSCH GMBH ROBERT·Filed 2004·Granted Nov 1, 2005·5 cites·25 claims
- 0552US6561596B2Brake boosterBOSCH ROBERT CORP·Filed 2001·Granted May 13, 2003·4 cites·16 claims
- 0648US7044566B1Caging arrangement for a springBOSCH GMBH ROBERT·Filed 2004·Granted May 16, 2006·3 cites·8 claims
- 0748US6732518B1Hydraulic brake boosterBOSCH ROBERT CORP·Filed 2002·Granted May 11, 2004·2 cites·15 claims
- 0845US9868427B2Vehicle hydraulic brake booster system and methodBOSCH GMBH ROBERT·Filed 2016·Granted Jan 16, 2018·0 cites·13 claims
- 0943US5076647APiloted pressure relief valveALLIED SIGNAL INC·Filed 1990·Granted Dec 31, 1991·10 cites·15 claims
- 1042US2007199781A1Disc BrakeBOSCH ROBERT CORP·Filed 2006·Application pending·0 cites
- 1141US6923296B1Disc BrakeBOSCH ROBERT CORP·Filed 2004·Granted Aug 2, 2005·0 cites·7 claims
- 1239US6990812B2Control valve for a hydraulic brake boosterBOSCH GMBH ROBERT·Filed 2004·Granted Jan 31, 2006·0 cites·15 claims
- 1339US6591611B2Hydraulic brake boosterBOSCH ROBERT CORP·Filed 2001·Granted Jul 15, 2003·0 cites·11 claims
- 1438US6668552B1Hydraulic brake boosterBOSCH ROBERT CORP·Filed 2002·Granted Dec 30, 2003·0 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when William John Penninger 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 →