Inventor · disambiguated record
George D. Pfaffmann
Also filed as: PFAFFMANN GEORGE D
34 granted patents·1 pending application·1,164 citations·filing 1984–2009
98Inventor score
Files withTOCCO INC22CONTINENTAL CAN CO4HOT METAL GAS FORMING INTELLEC4PARK OHIO INDUSTRIES INC2AJAX TOCCO MAGNETHERMIC CORP1
Top patents by PatentIndex Score
35 records- 0198US4675488AMethod for hardening gears by induction heatingTOCCO INC·Filed 1986·Granted Jun 23, 1987·105 cites·42 claims
- 0297US6322645B1Method of forming a tubular blank into a structural component and die thereforFiled 2000·Granted Nov 27, 2001·76 cites·79 claims
- 0397US4855556AMethod and apparatus for hardening gears and similar workpiecesTOCCO INC·Filed 1988·Granted Aug 8, 1989·56 cites·3 claims
- 0496US7269986B2Method of forming a tubular blank into a structural component and die thereforHOT METAL GAS FORMING IP 2 INC·Filed 2006·Granted Sep 18, 2007·95 cites·40 claims
- 0596US4785147ASystem for hardening gears by induction heatingTOCCO INC·Filed 1987·Granted Nov 15, 1988·48 cites·7 claims
- 0695US7024897B2Method of forming a tubular blank into a structural component and die thereforHOT METAL GAS FORMING INTELLEC·Filed 2003·Granted Apr 11, 2006·45 cites·30 claims
- 0794US6613164B2Method of forming a tubular blank into a structural component and die thereforHOT METAL GAS FORMING INTELLEC·Filed 2001·Granted Sep 2, 2003·47 cites·131 claims
- 0894US4894501AMethod and apparatus for induction heating of gear teethTOCCO INC·Filed 1989·Granted Jan 16, 1990·41 cites·47 claims
- 0994US4855551AMethod and apparatus for hardening gearsTOCCO INC·Filed 1988·Granted Aug 8, 1989·41 cites·10 claims
- 1092US4897518AMethod of monitoring induction heating cycleTOCCO INC·Filed 1988·Granted Jan 30, 1990·89 cites·15 claims
- 1192US4757170AMethod and apparatus for induction heating gears and similar workpiecesTOCCO INC·Filed 1987·Granted Jul 12, 1988·32 cites·54 claims
- 1288US5250776AApparatus and method of measuring temperatureTOCCO INC·Filed 1991·Granted Oct 5, 1993·59 cites·22 claims
- 1385US5025123AApparatus and method for sealing a lid onto a containerCONTINENTAL CAN CO·Filed 1990·Granted Jun 18, 1991·59 cites·3 claims
- 1484US7003996B2Method of forming a tubular blank into a structural component and die thereforHOT METAL GAS FORMING INTELLEC·Filed 2003·Granted Feb 28, 2006·14 cites·45 claims
- 1583US4816633AMethod of monitoring induction heating cycleTOCCO INC·Filed 1987·Granted Mar 28, 1989·48 cites·3 claims
- 1683US4637844AMethod for heat treating ferrous partsTOCCO INC·Filed 1985·Granted Jan 20, 1987·35 cites·6 claims
- 1781US5117613AInduction heating and package sealing system and methodTOCCO INC·Filed 1991·Granted Jun 2, 1992·45 cites·22 claims
- 1881US4744836AMethod for selectively heating a workpiece subjected to low temperature thermomechanical processingTOCCO INC·Filed 1987·Granted May 17, 1988·26 cites·17 claims
- 1978US4749834AMethod and apparatus of hardening gears by induction heatingTOCCO INC·Filed 1987·Granted Jun 7, 1988·16 cites·5 claims
- 2078US4625090AApparatus for inductively heat treating workpiece bore wallsPARK OHIO INDUSTRIES INC·Filed 1985·Granted Nov 25, 1986·16 cites·20 claims
- 2178US4531987AMethod for inductively heat treating workpiece bore wallsPARK OHIO INDUSTRIES INC·Filed 1984·Granted Jul 30, 1985·18 cites·11 claims
- 2276US4675057AMethod of heat treating using eddy current temperature determinationTOCCO INC·Filed 1986·Granted Jun 23, 1987·15 cites·9 claims
- 2373US4941306AApparatus and method for sealing a lid onto a containerCONTINENTAL CAN CO·Filed 1988·Granted Jul 17, 1990·33 cites·34 claims
- 2468US4592537AApparatus for heat treating and sizing thin walled articlesTOCCO INC·Filed 1985·Granted Jun 3, 1986·12 cites·6 claims
- 2565US8372222B2Method of producing locally austempered ductile ironAJAX TOCCO MAGNETHERMIC CORP·Filed 2009·Granted Feb 12, 2013·1 cites·33 claims
- 2664US5009395AMethod and apparatus for selectively heating a workpiece subjected to low temperature thermomechanical processingTOCCO INC·Filed 1988·Granted Apr 23, 1991·10 cites·10 claims
- 2760US4715907AMethod for heat treating ferrous partsTOCCO INC·Filed 1986·Granted Dec 29, 1987·12 cites·3 claims
- 2856US5157232AMethod and apparatus for inductively heating asymmetrically shaped workpiecesTOCCO INC·Filed 1990·Granted Oct 20, 1992·12 cites·27 claims
- 2954US4996826AApparatus and method for sealing a lid onto a containerCONTINENTAL CAN CO·Filed 1990·Granted Mar 5, 1991·17 cites·2 claims
- 3051US5373143AApparatus and method of measuring temperatureTOCCO INC·Filed 1993·Granted Dec 13, 1994·11 cites·51 claims
- 3149US4791259AMethod and apparatus for retaining a valve seat insertTOCCO INC·Filed 1987·Granted Dec 13, 1988·11 cites·28 claims
- 3247US5302215AMethod and apparatus for selectively heating a workpiece subjected to low temperature thermomechanical processingTOCCO INC·Filed 1991·Granted Apr 12, 1994·5 cites·6 claims
- 3339US4704252AIsostatic hot forming of powder metal materialTOCCO INC·Filed 1986·Granted Nov 3, 1987·7 cites·16 claims
- 3436US4984414AApparatus and method for sealing a lid onto a containerCONTINENTAL CAN CO·Filed 1990·Granted Jan 15, 1991·7 cites·16 claims
- 3535US2006107716A1Method of forming a tubular blank into a structural component and die thereforHOT METAL GAS FORMING INTELLEC·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →