Inventor · disambiguated record
Keith Bridger
Also filed as: BRIDGER KEITH
13 granted patents·1 pending application·1,214 citations·filing 1988–2016
94Inventor score
Files withACTIVE SIGNAL TECHNOLOGIES INC4MARTIN MARIETTA CORP3MARTIN MARIETTA MAGNESIA3BRIDGER KEITH2ROLLS ROYCE PLC1
Top patents by PatentIndex Score
14 records- 0195US5629578AIntegrated composite acoustic transducer arrayMARTIN MARIETTA CORP·Filed 1995·Granted May 13, 1997·132 cites·22 claims
- 0292US5240498ACarbonaceous binderMARTIN MARIETTA MAGNESIA·Filed 1991·Granted Aug 31, 1993·59 cites·25 claims
- 0390US6491647B1Physiological sensing deviceACTIVE SIGNAL TECHNOLOGIES INC·Filed 1999·Granted Dec 10, 2002·694 cites·93 claims
- 0484US8265291B2High sensitivity noise immune stethoscopeBRIDGER KEITH·Filed 2006·Granted Sep 11, 2012·53 cites·30 claims
- 0581US9078571B2High sensitivity noise immune stethoscopeBRIDGER KEITH·Filed 2012·Granted Jul 14, 2015·18 cites·18 claims
- 0681US6751954B2Compact hybrid actuatorFiled 2002·Granted Jun 22, 2004·23 cites·15 claims
- 0779US7697263B2High-temperature dielectric materials and capacitors made therefromACTIVE SIGNAL TECHNOLOGIES INC·Filed 2007·Granted Apr 13, 2010·6 cites·64 claims
- 0876US5337209AHigh energy density lead magnesium niobate-based dielectric ceramic and process for the preparation thereofMARTIN MARIETTA CORP·Filed 1992·Granted Aug 9, 1994·31 cites·15 claims
- 0969US6887199B2Brain assessment monitorACTIVE SIGNAL TECHNOLOGIES INC·Filed 2002·Granted May 3, 2005·58 cites·43 claims
- 1061US5919144AApparatus and method for measurement of intracranial pressure with lower frequencies of acoustic signalACTIVE SIGNAL TECHNOLOGIES INC·Filed 1997·Granted Jul 6, 1999·113 cites·24 claims
- 1159US5011796ASol-gel preparation of polycrystalline strontium barium niobate (SBN)MARTIN MARIETTA CORP·Filed 1989·Granted Apr 30, 1991·16 cites·40 claims
- 1241US2017106473A1Pressure vesselROLLS ROYCE PLC·Filed 2016·Application pending·0 cites
- 1336US4981821ALow temperature binder compound for refractory aggregates and refractory products of improved cold strengthMARTIN MARIETTA MAGNESIA·Filed 1988·Granted Jan 1, 1991·7 cites·68 claims
- 1431US5567519AComposition for use in dry productsMARTIN MARIETTA MAGNESIA·Filed 1993·Granted Oct 22, 1996·4 cites·8 claims
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