Inventor · disambiguated record
William C. Pierce
Also filed as: PIERCE WILLIAM C
52 granted patents·1 pending application·2,014 citations·filing 1975–2001
99Inventor score
Top patents by PatentIndex Score
53 records- 0196US5203585ASplit-beam suspension systemNEWAY CORP·Filed 1991·Granted Apr 20, 1993·119 cites·38 claims
- 0295US6241266B1Trailing arm suspension with wrapper compression axle mounting and articulated axle mountingHOLLAND NEWAY INT INC·Filed 1998·Granted Jun 5, 2001·121 cites·54 claims
- 0395US4296851ADrive hub with curved springs and drive keys for electro-magnetic clutchPITTS IND INC·Filed 1979·Granted Oct 27, 1981·47 cites·3 claims
- 0494US5921532AAir spring with internal support memberNEWAY ANCHORLOK INT INC·Filed 1994·Granted Jul 13, 1999·116 cites·24 claims
- 0593US4693486ATrailing arm suspension with wrapper compression axle mountingLEAR SIEGLER INC·Filed 1986·Granted Sep 15, 1987·86 cites·18 claims
- 0692US6491314B2Trailing arm suspension with wrapper compression axle mounting and articulated axle mountingHOLLAND GROUP INC·Filed 2001·Granted Dec 10, 2002·51 cites·7 claims
- 0792US6328322B1Drive axle suspensionHOLLAND NEWAY INT INC·Filed 2000·Granted Dec 11, 2001·54 cites·30 claims
- 0892US5112078AAxle mounting assemblyNEWAY CORP·Filed 1990·Granted May 12, 1992·85 cites·41 claims
- 0991US5639110ATrailing arm suspensionNAI NEWAY INC·Filed 1996·Granted Jun 17, 1997·86 cites·27 claims
- 1090US5722311AFluid-operated brake actuator with spring chamber isolationNAI ANCHORLOK INC·Filed 1994·Granted Mar 3, 1998·43 cites·15 claims
- 1190US4615539ASuspension for automotive vehiclesLEAR SIEGLER INC·Filed 1985·Granted Oct 7, 1986·66 cites·24 claims
- 1289US4858949ALightweight trailing arm suspensionLEAR SIEGLER NEWAY CORP·Filed 1987·Granted Aug 22, 1989·83 cites·32 claims
- 1388US5413374AAdjustable bushingNAI NEWAY INC·Filed 1993·Granted May 9, 1995·67 cites·23 claims
- 1488US5372059AFluid operated brake actuator with internal valveNAI ANCHORLOK INC·Filed 1993·Granted Dec 13, 1994·34 cites·17 claims
- 1588US5353688ATamper-resistant brake actuatorNAI ANCHORLOK INC·Filed 1992·Granted Oct 11, 1994·39 cites·20 claims
- 1688US4601378ASupporting bracket for hydraulic pump and clutchPITTS IND INC·Filed 1983·Granted Jul 22, 1986·56 cites·6 claims
- 1787US5377579AFluid-operated spring brake atuator with funnel-shaped pressure plateNAI ANCHORLOK INC·Filed 1993·Granted Jan 3, 1995·37 cites·20 claims
- 1886US5088763AApparatus for mounting a trailing arm air suspension to a sliding frameNEWAY CORP·Filed 1990·Granted Feb 18, 1992·63 cites·14 claims
- 1985US5335932AApparatus for mounting a trailing arm air suspension to a sliding frameNAI NEWAY INC·Filed 1992·Granted Aug 9, 1994·58 cites·17 claims
- 2085US4262929ASuspension with resilient reaction barLEAR SIEGLER INC·Filed 1978·Granted Apr 21, 1981·39 cites·9 claims
- 2183US5315918ATamper-resistant brake actuatorNAI ANCHORLOK INC·Filed 1993·Granted May 31, 1994·44 cites·19 claims
- 2282US6006651ASpring brake actuator with filtered service vent openingNEWAY ANCHORLOK INT INC·Filed 1997·Granted Dec 28, 1999·33 cites·27 claims
- 2382US5924712ADual trailing arm vehicle suspensionNEWAY ANCHORLOK INT INC·Filed 1997·Granted Jul 20, 1999·57 cites·16 claims
- 2478US4564092ATwo speed, two pulley compressor drive clutchPITTS IND INC·Filed 1983·Granted Jan 14, 1986·21 cites·7 claims
- 2573US5713238ASpring brake actuator with spring force measurementNAI ANCHORLOK INC·Filed 1994·Granted Feb 3, 1998·18 cites·14 claims
- 2673US5588665ATrailing arm suspension with lever armNAI NEWAY INC·Filed 1996·Granted Dec 31, 1996·36 cites·25 claims
- 2773US5083812ASuspension with stiffener armNEWAY CORP·Filed 1990·Granted Jan 28, 1992·40 cites·44 claims
- 2873US4133553ASelf-closing trailer couplerHAMMERBLOW CORP·Filed 1977·Granted Jan 9, 1979·22 cites·8 claims
- 2969US4004335AMethod of making clutch pulleyPITTS IND INC·Filed 1975·Granted Jan 25, 1977·14 cites·12 claims
- 3068US5375819ADual in-line height control valve assemblyNAI NEWAY INC·Filed 1992·Granted Dec 27, 1994·29 cites·17 claims
- 3168US5345858ASpring brake actuator with a pressure plate bearing for a caging toolNAI ANCHORLOK INC·Filed 1993·Granted Sep 13, 1994·16 cites·14 claims
- 3268US5320026ASpring brake actuator with dust guardANCHORLOK CORP·Filed 1993·Granted Jun 14, 1994·16 cites·18 claims
- 3368US4634141AAxle lift mechanismLEAR SIEGLER INC·Filed 1984·Granted Jan 6, 1987·25 cites·20 claims
- 3467US6152486AAnti-creep deviceHOLLAND NEWAY INT INC·Filed 1999·Granted Nov 28, 2000·33 cites·20 claims
- 3567US5116075ATrailing arm suspension with wrapper compression axle mountingLEAR SIEGLER TRUCK PRODUCTS CO·Filed 1990·Granted May 26, 1992·31 cites·12 claims
- 3665US4069572AMethod of making clutch pulley assemblyPITTS IND INC·Filed 1976·Granted Jan 24, 1978·15 cites·14 claims
- 3764US4129026AMethod of making a pulley groovePITTS IND INC·Filed 1977·Granted Dec 12, 1978·14 cites·1 claims
- 3863US5799564ASpring brake actuator having two-ply pressure plate assemblyNAI ANCHORLOK INC·Filed 1996·Granted Sep 1, 1998·17 cites·20 claims
- 3962US5725076ASpring brake actuator and caging bolt thereforNAI ANCHORLOK INC·Filed 1996·Granted Mar 10, 1998·19 cites·17 claims
- 4058US6702325B1Modular trailing arm suspensionHOLLAND GROUP INC·Filed 2000·Granted Mar 9, 2004·9 cites·13 claims
- 4157USRE36955EFluid-operated brake actuator with internal valveHOLLAND NEWAY INT INC·Filed 1996·Granted Nov 21, 2000·12 cites·5 claims
- 4257US5682922ADual in-line height control valve assemblyNAI NEWAY INC·Filed 1994·Granted Nov 4, 1997·20 cites·18 claims
- 4357US4553773ALoad equalizer valve and suspension systemLEAR SIEGLER INC·Filed 1983·Granted Nov 19, 1985·19 cites·22 claims
- 4455US5649469AStroke indicator for an air-operated combination diaphragm spring brakeNAI ANCHORLOK INC·Filed 1993·Granted Jul 22, 1997·10 cites·17 claims
- 4555US5393096ASuspension frame bracketNAI NEWAY INC·Filed 1993·Granted Feb 28, 1995·21 cites·11 claims
- 4649US5335695AHeight control valve with adjustable spoolNAI NEWAY INC·Filed 1993·Granted Aug 9, 1994·18 cites·24 claims
- 4748US5787932ABypass tube for time delay height control valveNAI NEWAY INC·Filed 1996·Granted Aug 4, 1998·18 cites·20 claims
- 4846US5655431ASpring brake actuator, caging bolt assembly therefor, and method of assembly thereofNAI ANCHORLOK INC·Filed 1994·Granted Aug 12, 1997·17 cites·16 claims
- 4944USD247849SClutch pulley measuring devicePIERCE WILLIAM C·Filed 1976·Granted May 9, 1978·4 cites·1 claims
- 5038US2001030406A1Axle/adapter assembly for vehicle suspension and suspension incorporating sameFiled 2001·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
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