Inventor · disambiguated record
John Parry
Also filed as: PARRY JOHN · PARRY JOHN P · PARRY JOHN P M · PARRY JOHN PHILIP
14 granted patents·417 citations·filing 1979–2016
93Inventor score
Files withNAT SEMICONDUCTOR CORP5SOUTH WALES SWITCHGEAR5SCHLUMBERGER TECHNOLOGY CORP2PARRY J P M & ASS1SILICON SYSTEMS INC1
Top patents by PatentIndex Score
14 records- 0196US6055168ACapacitor DC-DC converter with PFM and gain hoppingNAT SEMICONDUCTOR CORP·Filed 1999·Granted Apr 25, 2000·220 cites·49 claims
- 0290US7456677B1Fractional gain circuit with switched capacitors and smoothed gain transitions for buck voltage regulationNAT SEMICONDUCTOR CORP·Filed 2006·Granted Nov 25, 2008·36 cites·24 claims
- 0388US10355581B2Fault tolerant inverter or controlled rectifier systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Jul 16, 2019·4 cites·15 claims
- 0485US7991282B1Method and circuit for charging of super capacitor as energy source for flash diodesNAT SEMICONDUCTOR CORP·Filed 2008·Granted Aug 2, 2011·10 cites·20 claims
- 0581US6351360B1Apparatus for selective shutdown of devices of an integrated circuit in response to thermal fault detectionNAT SEMICONDUCTOR CORP·Filed 1999·Granted Feb 26, 2002·41 cites·16 claims
- 0666US8988030B2Power control for electrical applications over long cablesSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Granted Mar 24, 2015·2 cites·16 claims
- 0765US5244054AVehicle, continuously variable gear mechanism, and transport systemPARRY J P M & ASS·Filed 1990·Granted Sep 14, 1993·31 cites·9 claims
- 0862US4301341AElectrical switchgearSOUTH WALES SWITCHGEAR·Filed 1979·Granted Nov 17, 1981·11 cites·24 claims
- 0959US7271626B1Suppression of parasitic ringing at the output of a switched capacitor DC/DC converterNAT SEMICONDUCTOR CORP·Filed 2004·Granted Sep 18, 2007·15 cites·16 claims
- 1059US5397978ACurrent limit circuit for IGBT spark drive applicationsSILICON SYSTEMS INC·Filed 1992·Granted Mar 14, 1995·15 cites·16 claims
- 1159US4409446AElectrical switchgearSOUTH WALES SWITCHGEAR·Filed 1982·Granted Oct 11, 1983·11 cites·15 claims
- 1255US4355220AElectrical switchgear of the rotating arc, double-break typeSOUTH WALES SWITCHGEAR·Filed 1980·Granted Oct 19, 1982·8 cites·20 claims
- 1351US4301340AElectrical switchgearSOUTH WALES SWITCHGEAR·Filed 1979·Granted Nov 17, 1981·7 cites·7 claims
- 1448US4355219AElectrical switchgearSOUTH WALES SWITCHGEAR·Filed 1980·Granted Oct 19, 1982·6 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when John Parry 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 →