Assignee
THERMATOOL CORP
40 granted patents·1 pending application·470 citations·filing 1974–2024
Top patents by PatentIndex Score
41 records- 0195US4197441AHigh frequency induction welding with return current paths on surfaces to be heatedTHERMATOOL CORP·Filed 1978·Granted Apr 8, 1980·64 cites·44 claims
- 0288US7184279B2Solid state switching circuitTHERMATOOL CORP·Filed 2005·Granted Feb 27, 2007·21 cites·4 claims
- 0382US8986600B2Spray quench systems for heat treated metal productsTHERMATOOL CORP·Filed 2013·Granted Mar 24, 2015·2 cites·21 claims
- 0481US10405378B2High frequency power supply system with closely regulated output for heating a workpieceTHERMATOOL CORP·Filed 2016·Granted Sep 3, 2019·5 cites·20 claims
- 0581US4326583AHeat exchanger panelsTHERMATOOL CORP·Filed 1980·Granted Apr 27, 1982·27 cites·8 claims
- 0678US8980164B2Spray quench systems for heat treated metal productsTHERMATOOL CORP·Filed 2013·Granted Mar 17, 2015·1 cites·13 claims
- 0778US5902506AMatching apparatus for connecting high frequency solid state electrical power generator to a loadTHERMATOOL CORP·Filed 1995·Granted May 11, 1999·40 cites·37 claims
- 0877US10024735B2Heat energy sensing and analysis for welding processesTHERMATOOL CORP·Filed 2014·Granted Jul 17, 2018·4 cites·30 claims
- 0977US5571437AInduction welding of tubing with multiple induction coilsTHERMATOOL CORP·Filed 1995·Granted Nov 5, 1996·44 cites·28 claims
- 1074US4278868AMethods and apparatus for heating metal parts with magnetically driven travelling electric arcTHERMATOOL CORP·Filed 1979·Granted Jul 14, 1981·21 cites·5 claims
- 1173US7683288B2System and method of computing the operating parameters of a forge welding machineTHERMATOOL CORP·Filed 2005·Granted Mar 23, 2010·3 cites·5 claims
- 1270US4136272AMethod of manufacturing heat exchange panelsTHERMATOOL CORP·Filed 1977·Granted Jan 23, 1979·21 cites·10 claims
- 1369US10701769B2Induction coil with dynamically variable coil geometryTHERMATOOL CORP·Filed 2018·Granted Jun 30, 2020·1 cites·20 claims
- 1466US4215259ASurface hardening of metals using electric currentsTHERMATOOL CORP·Filed 1978·Granted Jul 29, 1980·12 cites·26 claims
- 1565US11784576B2High frequency power supply system with closely regulated output for heating a workpieceTHERMATOOL CORP·Filed 2020·Granted Oct 10, 2023·0 cites·10 claims
- 1665US9924567B2Induction coil with dynamically variable coil geometryTHERMATOOL CORP·Filed 2014·Granted Mar 20, 2018·1 cites·20 claims
- 1765US4234776AMethod of producing areas of alloy metal on a metal part using electric currentsTHERMATOOL CORP·Filed 1978·Granted Nov 18, 1980·16 cites·27 claims
- 1861US4916278ASevering metal strip with high frequency electrical currentTHERMATOOL CORP·Filed 1989·Granted Apr 10, 1990·16 cites·12 claims
- 1960US4256252ASoldering apparatusTHERMATOOL CORP·Filed 1979·Granted Mar 17, 1981·16 cites·9 claims
- 2057US11013072B2Induction coil with dynamically variable coil geometryTHERMATOOL CORP·Filed 2018·Granted May 18, 2021·0 cites·10 claims
- 2157US4362921AWelding of fins to tubingTHERMATOOL CORP·Filed 1980·Granted Dec 7, 1982·12 cites·11 claims
- 2256US4332373ASolder pot with replenisher and skimmerTHERMATOOL CORP·Filed 1980·Granted Jun 1, 1982·15 cites·21 claims
- 2355US4219722AMethods and apparatus for heating metal parts with magnetically driven travelling electric arcTHERMATOOL CORP·Filed 1977·Granted Aug 26, 1980·11 cites·59 claims
- 2453US5954985AMatching apparatus for connecting high frequency solid state electrical powerTHERMATOOL CORP·Filed 1997·Granted Sep 21, 1999·15 cites·8 claims
- 2553US2024408691A1High Frequency Power Supply System with Closely Regulated and Monitored Output for Heating a Workpiece and Providing Process FeedbackTHERMATOOL CORP·Filed 2024·Application pending·0 cites
- 2652US4207451AMulti-layered electrical induction coil subjected to large forcesTHERMATOOL CORP·Filed 1978·Granted Jun 10, 1980·19 cites·13 claims
- 2751US4112566AMethod of manufacturing heat exchange panelsTHERMATOOL CORP·Filed 1977·Granted Sep 12, 1978·9 cites·10 claims
- 2849US10855194B2High frequency power supply system with closely regulated output for heating a workpieceTHERMATOOL CORP·Filed 2016·Granted Dec 1, 2020·0 cites·17 claims
- 2949US4845326AApparatus and method for electrically butt welding of skelp edge faces which have been preheatedTHERMATOOL CORP·Filed 1987·Granted Jul 4, 1989·12 cites·13 claims
- 3048US4081648AHigh frequency in-line, electrical welding apparatus for small diameter metal tubingTHERMATOOL CORP·Filed 1977·Granted Mar 28, 1978·8 cites·14 claims
- 3146US4426998ASolar collector unit for roof or wall mountingTHERMATOOL CORP·Filed 1982·Granted Jan 24, 1984·12 cites·3 claims
- 3240US4241284AElectrical contact apparatus for high frequency weldingTHERMATOOL CORP·Filed 1978·Granted Dec 23, 1980·5 cites·18 claims
- 3339US4233484AHigh frequency current welding of metal strip to a metal partTHERMATOOL CORP·Filed 1978·Granted Nov 11, 1980·5 cites·19 claims
- 3439US3937914AMethod and apparatus for manufacturing welded metal tubes of finite lengthTHERMATOOL CORP·Filed 1974·Granted Feb 10, 1976·8 cites·9 claims
- 3533US4508949AMethod and apparatus for welding tapered metal polesTHERMATOOL CORP·Filed 1982·Granted Apr 2, 1985·2 cites·17 claims
- 3633US4339654AMethods for the manufacture of heat exchanger panelsTHERMATOOL CORP·Filed 1980·Granted Jul 13, 1982·4 cites·7 claims
- 3733US4336643AMethod for the processing of heat exchanger, tube-strip elementsTHERMATOOL CORP·Filed 1980·Granted Jun 29, 1982·5 cites·5 claims
- 3832US4192984AEmbedment of hard particles in a metal surfaceTHERMATOOL CORP·Filed 1978·Granted Mar 11, 1980·2 cites·34 claims
- 3930US6037556AHigh frequency contact welding apparatus with skewed contactsTHERMATOOL CORP·Filed 1998·Granted Mar 14, 2000·10 cites·20 claims
- 4029US4277871AHeat exchanger panels and method of manufactureTHERMATOOL CORP·Filed 1980·Granted Jul 14, 1981·1 cites·5 claims
- 4127US4287947ASolar panel elements and method of manufacture thereofTHERMATOOL CORP·Filed 1980·Granted Sep 8, 1981·0 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →