Inventor · disambiguated record
Spencer M. Nimberger
Also filed as: NIMBERGER SPENCER · NIMBERGER SPENCER M
104 granted patents·2 pending applications·1,884 citations·filing 1981–2012
99Inventor score
Files withPGI INT LTD66PRECISION GENERAL INC15NIMBERGER SPENCER M7GEN SCREW PROD CO6ROCKWELL INTERNATIONAL CORP2
Top patents by PatentIndex Score
106 records- 0196US4672728APressure signal instrumentation having removable flanges and mounting method thereforGEN SCREW PROD CO·Filed 1986·Granted Jun 16, 1987·92 cites·20 claims
- 0293US6840277B1Breakaway coupling with flapper valvePGI INT LTD·Filed 2004·Granted Jan 11, 2005·57 cites·17 claims
- 0393US6485175B1Temperature sensing device for metering fluidsPGI INT LTD·Filed 2000·Granted Nov 26, 2002·72 cites·37 claims
- 0493US4445400ADifferential speed limiting deviceROCKWELL INTERNATIONAL CORP·Filed 1981·Granted May 1, 1984·52 cites·22 claims
- 0591US4920626AStabilized connector flange for interconnecting an instrument manifold with an orifice plate assemblyPRECISION GENERAL INC·Filed 1989·Granted May 1, 1990·77 cites·12 claims
- 0688US6854346B2Purging system for use with a gas sampling systemPGI INT LTD·Filed 2002·Granted Feb 15, 2005·33 cites·15 claims
- 0788US6539312B1Sampling system for obtaining pipeline gas samplesPGI INTERNATIONAL INC·Filed 2001·Granted Mar 25, 2003·39 cites·20 claims
- 0888US6390670B1Temperature sensing device for metering fluidsPGI INTERNAT LTD·Filed 2000·Granted May 21, 2002·41 cites·44 claims
- 0987US8851446B2Cam operated valveNIMBERGER SPENCER M·Filed 2011·Granted Oct 7, 2014·10 cites·27 claims
- 1087USD520520S5 valve port large bore double flange manifoldPGI INT LTD·Filed 2005·Granted May 9, 2006·36 cites·1 claims
- 1186USD578549S5 Valve port pipe by pipe manifoldPGI INT LTD·Filed 2007·Granted Oct 14, 2008·32 cites·1 claims
- 1286USD521597S5 valve large bore manifoldPGI INT LTD·Filed 2004·Granted May 23, 2006·31 cites·1 claims
- 1385US5720317ALow profile flanged manifold valvePGI INT LTD·Filed 1996·Granted Feb 24, 1998·47 cites·5 claims
- 1485US4582089AValve manifold having a removable flangeGEN SCREW PROD CO·Filed 1984·Granted Apr 15, 1986·34 cites·20 claims
- 1584US7165883B2Temperature sensing device for metering fluidsPGI INT LTD·Filed 2002·Granted Jan 23, 2007·30 cites·18 claims
- 1683US7850190B2Hitch and coupling arrangement for automatically effecting towing hitch and fluid quick-coupler connections between a nurse tank wagon and an NH3 applicator implementDEERE & CO·Filed 2008·Granted Dec 14, 2010·14 cites·22 claims
- 1783US6067917AMethod and apparatus for flow control of NH3PGI INT LTD·Filed 1998·Granted May 30, 2000·39 cites·20 claims
- 1883US5832956AThree valve controlled vent manifoldPGI INT LTD·Filed 1996·Granted Nov 10, 1998·44 cites·1 claims
- 1980USD521596S5 valve small bore manifoldPGI INT LTD·Filed 2004·Granted May 23, 2006·24 cites·1 claims
- 2078US6289752B1Sampling systemPGI INT LTD·Filed 2000·Granted Sep 18, 2001·15 cites·27 claims
- 2178US4974308AMethod for interconnecting an instrument manifold with an orifice plate assemblyPRECISION GENERAL INC·Filed 1989·Granted Dec 4, 1990·36 cites·17 claims
- 2277US8955823B2Cam operated valvePGI INT LTD·Filed 2012·Granted Feb 17, 2015·4 cites·20 claims
- 2377US8365769B2Ball valvePGI INT LTD·Filed 2009·Granted Feb 5, 2013·7 cites·15 claims
- 2477USD606167SCheck valvePGI INT LTD·Filed 2008·Granted Dec 15, 2009·21 cites·1 claims
- 2576US6938636B1Breakaway coupling with flapper valvePGI INT LTD·Filed 2004·Granted Sep 6, 2005·21 cites·20 claims
- 2676US5725024AManifold valve having controlled vent port integral with flangePGI INT LTD·Filed 1996·Granted Mar 10, 1998·37 cites·1 claims
- 2775US6308753B1System for loading and unloading fluid tanks containing hazardous fluidsPGI INT LTD·Filed 2000·Granted Oct 30, 2001·18 cites·42 claims
- 2874US4930361APortable piston style sample cylinderPRECISION GENERAL INC·Filed 1989·Granted Jun 5, 1990·33 cites·10 claims
- 2973USD544499S5 valve port manifoldPGI INT LTD·Filed 2006·Granted Jun 12, 2007·19 cites·1 claims
- 3072USD535722S5 valve small bore 2 flange manifold blockPGI INT LTD·Filed 2004·Granted Jan 23, 2007·17 cites·1 claims
- 3171US4556196AMethod and apparatus for sealing valve stemsGEN SCREW PROD CO·Filed 1983·Granted Dec 3, 1985·24 cites·20 claims
- 3270US6176262B1Two-piece manifold system for pressure sensing transmittersFiled 1999·Granted Jan 23, 2001·29 cites·6 claims
- 3369USD602564SCheck valvePGI INT LTD·Filed 2008·Granted Oct 20, 2009·15 cites·1 claims
- 3469USD602565SBall valvePGI INT LTD·Filed 2008·Granted Oct 20, 2009·15 cites·1 claims
- 3569USD544883S5 valve port manifoldPGI INT LTD·Filed 2006·Granted Jun 19, 2007·16 cites·1 claims
- 3669US6992569B2Safety shutdown systemPGI INT LTD·Filed 2003·Granted Jan 31, 2006·14 cites·16 claims
- 3767USD624157SMinimum bleed check valvePGI INT LTD·Filed 2009·Granted Sep 21, 2010·14 cites·1 claims
- 3867US5320133AFlow system disconnect and methodPRECISION GENERAL INC·Filed 1993·Granted Jun 14, 1994·32 cites·20 claims
- 3966USD544500S5 valve port manifoldPGI INT LTD·Filed 2006·Granted Jun 12, 2007·14 cites·1 claims
- 4066US6513556B1Flexible hose passive shut down systemPGI INT LTD·Filed 2001·Granted Feb 4, 2003·14 cites·20 claims
- 4165US8939172B2Ball valvePGI INT LTD·Filed 2012·Granted Jan 27, 2015·1 cites·4 claims
- 4265US6901948B2Liquid fertilizer distribution system and methodPGI INT LTD·Filed 2002·Granted Jun 7, 2005·10 cites·20 claims
- 4365US6851450B2Liquid fertilizer distribution system and methodPGI INT LTD·Filed 2003·Granted Feb 8, 2005·10 cites·15 claims
- 4465US4862754APortable piston style sample cylinderPRECISION GENERAL INC·Filed 1988·Granted Sep 5, 1989·23 cites·20 claims
- 4564USD623723SReduced bleed check valvePGI INT LTD·Filed 2009·Granted Sep 14, 2010·12 cites·1 claims
- 4664US6155295ALow emission disconnect systemPGI INT LTD·Filed 2000·Granted Dec 5, 2000·10 cites·20 claims
- 4763USD520598S5 valve large bore manifoldPGI INT LTD·Filed 2004·Granted May 9, 2006·12 cites·1 claims
- 4863USD520110S5 valve small bore manifoldPGI INT LTD·Filed 2004·Granted May 2, 2006·12 cites·1 claims
- 4963US5836352AEnvironmental fill valvePGI INT LTD·Filed 1996·Granted Nov 17, 1998·24 cites·20 claims
- 5063US5503180AValve having easily replaceable seatPGI INT LTD·Filed 1995·Granted Apr 2, 1996·23 cites·6 claims
Showing the top 50 of 106 patent records by PatentIndex Score.
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