Inventor · disambiguated record
Larry L. Church
Also filed as: CHURCH LARRY · CHURCH LARRY L · SUN SHAN C
16 granted patents·2 pending applications·545 citations·filing 1977–2022
95Inventor score
Files withLINCOLN GLOBAL INC5WESTINGHOUSE ELECTRIC CORP5NELSON STUD WELDING INC3HSU CHRISTOPHER2ELECTRIC POWER RES INST1
Top patents by PatentIndex Score
18 records- 0196US6504132B1Electric arc welder for variable AC inputLINCOLN GLOBAL INC·Filed 2001·Granted Jan 7, 2003·103 cites·45 claims
- 0293US6023037AElectric ARC welder and plasma cutterLINCOLN GLOBAL INC·Filed 1998·Granted Feb 8, 2000·115 cites·3 claims
- 0391US11534849B2Light weight cordless stud welderNELSON STUD WELDING INC·Filed 2020·Granted Dec 27, 2022·2 cites·13 claims
- 0488US6177645B1Electric arc welder and plasma cutterLINCOLN GLOBAL INC·Filed 1999·Granted Jan 23, 2001·75 cites·14 claims
- 0585US10894296B2Light weight cordless stud welderNELSON STUD WELDING INC·Filed 2016·Granted Jan 19, 2021·2 cites·15 claims
- 0685US6657163B1System and method for selective application of power to welding equipmentLINCOLN GLOBAL INC·Filed 2002·Granted Dec 2, 2003·32 cites·34 claims
- 0783US4897522AOutput control circuit for inverterLINCOLN ELECTRIC CO·Filed 1989·Granted Jan 30, 1990·51 cites·15 claims
- 0883US4275429AProtective relay apparatusWESTINGHOUSE ELECTRIC CORP·Filed 1979·Granted Jun 23, 1981·31 cites·6 claims
- 0981US4380746APulse modulator using capacitor charging and discharging circuitsWESTINGHOUSE ELECTRIC CORP·Filed 1981·Granted Apr 19, 1983·24 cites·7 claims
- 1079US6055161ASwitching type power supply for arc weldingLINCOLN GLOBAL INC·Filed 1999·Granted Apr 25, 2000·59 cites·42 claims
- 1169US2023084669A1Light weight cordless stud welderNELSON STUD WELDING INC·Filed 2022·Application pending·0 cites
- 1268US10279415B2Two-stage switch-mode power supply for drawn-arc stud weldingHSU CHRISTOPHER·Filed 2011·Granted May 7, 2019·2 cites·11 claims
- 1367US8410399B2Capacitor charge and discharge circuit for fastener weldingHSU CHRISTOPHER·Filed 2009·Granted Apr 2, 2013·2 cites·24 claims
- 1461US4293886ANetwork protector relayWESTINGHOUSE ELECTRIC CORP·Filed 1979·Granted Oct 6, 1981·13 cites·14 claims
- 1560US4208687AProtective relay apparatusWESTINGHOUSE ELECTRIC CORP·Filed 1978·Granted Jun 17, 1980·13 cites·10 claims
- 1655US4106071AApparatus for protection against subsynchronous currents in a power systemWESTINGHOUSE ELECTRIC CORP·Filed 1977·Granted Aug 8, 1978·12 cites·12 claims
- 1754US4173039ACurrent based power supplyELECTRIC POWER RES INST·Filed 1978·Granted Oct 30, 1979·9 cites·5 claims
- 1846US2015076121A1Two-Stage Switch-Mode Power Supply for Drawn-Arc Stud WeldingKRUPP JEFFREY·Filed 2014·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Larry L. Church 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 →