Inventor · disambiguated record
William H. Ward
Also filed as: WARD JR WILLIAM · WARD JR WILLIAM H · WARD WILLIAM · WARD WILLIAM H
31 granted patents·1,167 citations·filing 1977–2011
98Inventor score
Files withHYDRO GEAR LTD PARTNERSHIP12AVID IDENTIFICATION SYST INC4WARD WILLIAM H4DRESSER IND1H F HENDERSON IND1
Top patents by PatentIndex Score
31 records- 0196US6775976B1Zero-turn hydrostatic transaxleHYDRO GEAR LTD PARTNERSHIP·Filed 2002·Granted Aug 17, 2004·82 cites·41 claims
- 0296US6494686B1Tandem pump and interface for sameHYDRO GEAR LTD PARTNERSHIP·Filed 2000·Granted Dec 17, 2002·76 cites·12 claims
- 0395US7760463B2Multiple disks in a single disk packageTERADATA US INC·Filed 2006·Granted Jul 20, 2010·35 cites·12 claims
- 0495US5358209AAnchoring deviceWARD WILLIAM H·Filed 1993·Granted Oct 25, 1994·102 cites·14 claims
- 0594US5992141AAmmonia injection in NOx controlKLEEN AIR SYSTEMS INC·Filed 1997·Granted Nov 30, 1999·148 cites·15 claims
- 0693US8418452B1Hydrostatic transaxlePHANCO ERIC S·Filed 2011·Granted Apr 16, 2013·20 cites·11 claims
- 0793US6935454B1Valve for a hydraulic drive apparatusHYDRO GEAR LTD PARTNERSHIP·Filed 2003·Granted Aug 30, 2005·35 cites·10 claims
- 0893US6307468B1Impedance matching network and multidimensional electromagnetic field coil for a transponder interrogatorAVID IDENTIFICATION SYST INC·Filed 1999·Granted Oct 23, 2001·133 cites·22 claims
- 0993US4231488AContainer closure spout construction and method of forming sameWARD WILLIAM H·Filed 1979·Granted Nov 4, 1980·55 cites·30 claims
- 1092US6843747B1Internal expansion tank for hydrostatic transaxleHYDRO GEAR LTD PARTNERSHIP·Filed 2002·Granted Jan 18, 2005·33 cites·18 claims
- 1191US6253637B1Control device for hydrostatic apparatusHYDRO GEAR LTD PARTNERSHIP·Filed 1999·Granted Jul 3, 2001·33 cites·16 claims
- 1291US5125518AInterlocking hanging systemINNOVATIVE ACCESSORIES·Filed 1991·Granted Jun 30, 1992·109 cites·13 claims
- 1385US7347379B2Dual antenna coil transponder systemAVID IDENTIFICATION SYST INC·Filed 2002·Granted Mar 25, 2008·47 cites·55 claims
- 1482US6682312B1Tandem pump and interface for sameHYDRO GEAR LTD PARTNERSHIP·Filed 2002·Granted Jan 27, 2004·18 cites·7 claims
- 1582US4111336AWeight loss control systemH F HENDERSON IND·Filed 1977·Granted Sep 5, 1978·36 cites·14 claims
- 1680US7052429B1Internal expansion tank for hydrostatic transaxleHYDRO GEAR LTD PARTNERSHIP·Filed 2004·Granted May 30, 2006·16 cites·20 claims
- 1780US4341929AMemory accessing systemZELEX INC·Filed 1980·Granted Jul 27, 1982·44 cites·21 claims
- 1879US6943680B2Identification system interrogatorAVID IDENTIFICATION SYST INC·Filed 2001·Granted Sep 13, 2005·21 cites·45 claims
- 1977US6793463B1Tandem pump and interface for sameHYDRO GEAR LTD PARTNERSHIP·Filed 2003·Granted Sep 21, 2004·15 cites·16 claims
- 2074US6971234B1Zero-turn hydrostatic transaxleHYDRO GEAR LTD PARTNERSHIP·Filed 2004·Granted Dec 6, 2005·14 cites·15 claims
- 2172US7145451B2Impedance matching network and multidimensional electromagnetic field coil for a transponder interrogatorAVID IDENTIFICATION SYST INC·Filed 2004·Granted Dec 5, 2006·12 cites·25 claims
- 2267US5690182AApparatus facilitating connection of trailer implement to tractor three-point hitch systemFiled 1996·Granted Nov 25, 1997·33 cites·12 claims
- 2365US4277763ANon-linear predistortion linearizing circuit for a varactor diode tuned oscillatorWARD JR WILLIAM H·Filed 1978·Granted Jul 7, 1981·11 cites·4 claims
- 2458US6968684B1Valve for a hydraulic drive apparatusHYDRO GEAR LTD PARTNERSHIP·Filed 2003·Granted Nov 29, 2005·9 cites·18 claims
- 2555US7316114B1Valve for a hydraulic drive apparatusHYDRO GEAR LTD PARTNERSHIP·Filed 2005·Granted Jan 8, 2008·1 cites·19 claims
- 2652US7146809B1Valve for a hydraulic drive apparatusHYDRO GEAR LTD PARTNERSHIP·Filed 2005·Granted Dec 12, 2006·1 cites·22 claims
- 2752US4307398ATracking filter for use in hand held radar deviceZELEX·Filed 1979·Granted Dec 22, 1981·10 cites·9 claims
- 2837US4289120ASolar heat collecting apparatusWARD WILLIAM H·Filed 1979·Granted Sep 15, 1981·9 cites·6 claims
- 2933US4663574AReactive position detector for electromagnetic vibratorsDRESSER IND·Filed 1985·Granted May 5, 1987·3 cites·10 claims
- 3031US5090286AFood slicing guideWARD WILLIAM H·Filed 1991·Granted Feb 25, 1992·4 cites·6 claims
- 3120US4372508ADynamic kickplate deployment systemUS NAVY·Filed 1981·Granted Feb 8, 1983·2 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when William H. Ward 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 →