Inventor · disambiguated record
John M. Griffin
Also filed as: GRIFFIN JOHN · GRIFFIN JOHN M · GRIFFIN JOHN MICHAEL
49 granted patents·9 pending applications·386 citations·filing 1990–2024
98Inventor score
Top patents by PatentIndex Score
58 records- 0194US9828049B2Working machineBAMFORD EXCAVATORS LTD·Filed 2015·Granted Nov 28, 2017·14 cites·19 claims
- 0291USD361251SChain sawMCCULLOCH CORP·Filed 1994·Granted Aug 15, 1995·37 cites·1 claims
- 0390US9303808B2Valve, pipe and pipe component repairFORGE TECH INC·Filed 2013·Granted Apr 5, 2016·5 cites·7 claims
- 0489USD349221SElectric grass trimmer and edgerMCCULLOCH CORP·Filed 1992·Granted Aug 2, 1994·34 cites·1 claims
- 0587US2025153285A1Apparatus and Method of a Defect Perimeter Sealing SystemFORGE TECH INC·Filed 2024·Application pending·0 cites
- 0686USD356014SElectric grass trimmerMCCULLOCH CORP·Filed 1994·Granted Mar 7, 1995·27 cites·1 claims
- 0785US9592733B2Working machineBAMFORD EXCAVATORS LTD·Filed 2015·Granted Mar 14, 2017·6 cites·18 claims
- 0885USD354892SElectric grass trimmerMCCULLOCH CORP·Filed 1992·Granted Jan 31, 1995·26 cites·1 claims
- 0985USD349220SElectric grass trimmer and edgerMCCULLOCH CORP·Filed 1992·Granted Aug 2, 1994·27 cites·1 claims
- 1083USD358308SPower head for trimmer or edgerMCCULLOCH CORP·Filed 1992·Granted May 16, 1995·24 cites·1 claims
- 1182US12172251B2Apparatus and method of a pneumatic motor propulsion sourceFORGE TECH INC·Filed 2023·Granted Dec 24, 2024·0 cites·16 claims
- 1282US11815192B2Plurality of studs being friction welded to an exterior surface of a curved structure having a block patch and a steel patch between the exterior surface and the studsFORGE TECH INC·Filed 2023·Granted Nov 14, 2023·0 cites·20 claims
- 1382US11592117B2Pipe that is friction forge bonded to a ladder support through a stud and a bracketFORGE TECH INC·Filed 2022·Granted Feb 28, 2023·0 cites·15 claims
- 1482US10113659B2Friction-welded pipe repairFORGE TECH INC·Filed 2017·Granted Oct 30, 2018·1 cites·20 claims
- 1582US2025035226A1Plurality of Studs being Friction Welded to an Exterior Surface of a Storage Tank having a Block Patch and a Member between the Exterior Surface and the StudsFORGE TECH INC·Filed 2024·Application pending·0 cites
- 1680US10124448B2Apparatus for repairing and improving structural integrity of storage tanksFORGE TECH INC·Filed 2015·Granted Nov 13, 2018·2 cites·10 claims
- 1779US11607756B2Apparatus and method of a pneumatic motor propulsion sourceFORGE TECH INC·Filed 2018·Granted Mar 21, 2023·2 cites·16 claims
- 1879US9850640B2Working machineBAMFORD EXCAVATORS LTD·Filed 2015·Granted Dec 26, 2017·4 cites·20 claims
- 1979US2025153269A1Plurality of Studs being Friction Welded to an Exterior Surface of a Curved Structure having a Block Patch and a Member between the Exterior Surface and the StudsMILLER MICHAEL LEE·Filed 2023·Application pending·0 cites
- 2078US9212775B2Valve, pipe and pipe component repairFORGE TECH INC·Filed 2013·Granted Dec 15, 2015·2 cites·3 claims
- 2178US6628091B2Electronic switch for a bi-level fluorescent lamp fixtureKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Sep 30, 2003·24 cites·33 claims
- 2278USD351768SElectric grass trimmerMCCULLOCH CORP·Filed 1992·Granted Oct 25, 1994·19 cites·1 claims
- 2377US9463588B2Surf fin including injection molded pre-impregnated composite fiber matrix insertsTODOS SANTOS SURF INC·Filed 2014·Granted Oct 11, 2016·3 cites·18 claims
- 2476US2024017455A1Method of making surf fin including injection molded pre-impregnated composite fiber matrix insertsTODOS SANTOS SURF INC·Filed 2023·Application pending·0 cites
- 2575US11274763B2Pipe that is friction forge bonded to a walkway or ladder through a stud and a bracketFORGE TECH INC·Filed 2020·Granted Mar 15, 2022·0 cites·17 claims
- 2674US9199333B2Method for repairing and improving structural integrity of storage tanksFORGE TECH INC·Filed 2013·Granted Dec 1, 2015·2 cites·5 claims
- 2771US9587755B2Friction welding drive apparatus for repair of pipes and valvesFORGE TECH INC·Filed 2013·Granted Mar 7, 2017·1 cites·12 claims
- 2870USD359849SCarrying case for a chain sawMCCULLOCH CORP·Filed 1993·Granted Jul 4, 1995·14 cites·1 claims
- 2969US9174313B2Method for repairing and improving structural integrity of storage tanksFORGE TECH INC·Filed 2012·Granted Nov 3, 2015·2 cites·17 claims
- 3068US10119247B2Working machineBAMFORD EXCAVATORS LTD·Filed 2015·Granted Nov 6, 2018·2 cites·18 claims
- 3168US9566729B2Injection molded surfboard insert having pre-impregnated composite fiber matrix structureTODOS SANTOS SURF INC·Filed 2014·Granted Feb 14, 2017·2 cites·7 claims
- 3267USD347774SGrass shearsMCCULLOCH CORP·Filed 1993·Granted Jun 14, 1994·14 cites·1 claims
- 3364US9488309B2Valve, pipe and pipe component repairFORGE TECH INC·Filed 2013·Granted Nov 8, 2016·0 cites·3 claims
- 3464US9371951B2Valve, pipe and pipe component repairFORGE TECH INC·Filed 2013·Granted Jun 21, 2016·0 cites·20 claims
- 3564US9249919B2Valve, pipe and pipe component repairFORGE TECH INC·Filed 2013·Granted Feb 2, 2016·0 cites·18 claims
- 3664USD349436SHedge trimmer housingMCCULLOCH CORP·Filed 1993·Granted Aug 9, 1994·11 cites·1 claims
- 3764US2019072198A1ClampFORGE TECH INC·Filed 2018·Application pending·0 cites
- 3863US9835262B2Friction-welded pipe repairFORGE TECH INC·Filed 2016·Granted Dec 5, 2017·0 cites·20 claims
- 3960US12275096B2Buoyancy provisions for facilitating underwater friction weldingFUSEMATIC CORP·Filed 2019·Granted Apr 15, 2025·0 cites·15 claims
- 4060US11738488B2Method of making surf fin including injection molded pre-impregnated composite fiber matrix insertsTODOS SANTOS SURF INC·Filed 2016·Granted Aug 29, 2023·0 cites·6 claims
- 4160US9581260B2Friction welding drive apparatus for repair of pipes and valvesFORGE TECH INC·Filed 2013·Granted Feb 28, 2017·0 cites·11 claims
- 4260US9540080B2Method of forming a thermoplastic fiber composite finTODOS SANTOS SURF INC·Filed 2014·Granted Jan 10, 2017·2 cites·4 claims
- 4359US9310015B2Valve, pipe and pipe component repairFORGE TECH INC·Filed 2013·Granted Apr 12, 2016·0 cites·17 claims
- 4459USD348192SChain sawMCCULLOCH CORP·Filed 1993·Granted Jun 28, 1994·9 cites·1 claims
- 4557US2024001477A1An electric portable friction welding system and enhanced method of operationFUSEMATIC CORP·Filed 2021·Application pending·0 cites
- 4656USD355572SHedge trimmer housingMCCULLOCH CORP·Filed 1993·Granted Feb 21, 1995·8 cites·1 claims
- 4754USD360563SEdgerMCCULLOCH CORP·Filed 1994·Granted Jul 25, 1995·7 cites·1 claims
- 4853US6070322AMethod for making a printed circuit boardIBM·Filed 1998·Granted Jun 6, 2000·12 cites·4 claims
- 4951US11111649B2Working machineBAMFORD EXCAVATORS LTD·Filed 2018·Granted Sep 7, 2021·0 cites·15 claims
- 5049US11858062B2Multi-position clamp for friction welding operationsFUSEMATIC CORP·Filed 2020·Granted Jan 2, 2024·0 cites·31 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →