P

Inventor

PFAFFMANN GEORGE D

US34 patents
⚠️ This page may combine multiple inventors who share the name “PFAFFMANN GEORGE D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOCCO INC

22 patents
US5250776AOct 5, 1993

Apparatus and method of measuring temperature

TOCCO INC59 citations96
US4855556AAug 8, 1989

Method and apparatus for hardening gears and similar workpieces

TOCCO INC56 citations96
US4675488AJun 23, 1987

Method for hardening gears by induction heating

TOCCO INC105 citations96
US4897518AJan 30, 1990

Method of monitoring induction heating cycle

TOCCO INC89 citations93
US5117613AJun 2, 1992

Induction heating and package sealing system and method

TOCCO INC45 citations92
US4894501AJan 16, 1990

Method and apparatus for induction heating of gear teeth

TOCCO INC41 citations92
US4855551AAug 8, 1989

Method and apparatus for hardening gears

TOCCO INC41 citations92
US4785147ANov 15, 1988

System for hardening gears by induction heating

TOCCO INC48 citations92
US4757170AJul 12, 1988

Method and apparatus for induction heating gears and similar workpieces

TOCCO INC32 citations92
US4744836AMay 17, 1988

Method for selectively heating a workpiece subjected to low temperature thermomechanical processing

TOCCO INC26 citations92
US4637844AJan 20, 1987

Method for heat treating ferrous parts

TOCCO INC35 citations92
US4816633AMar 28, 1989

Method of monitoring induction heating cycle

TOCCO INC48 citations90
US5373143ADec 13, 1994

Apparatus and method of measuring temperature

TOCCO INC11 citations74
US5302215AApr 12, 1994

Method and apparatus for selectively heating a workpiece subjected to low temperature thermomechanical processing

TOCCO INC5 citations74
US5157232AOct 20, 1992

Method and apparatus for inductively heating asymmetrically shaped workpieces

TOCCO INC12 citations74
US5009395AApr 23, 1991

Method and apparatus for selectively heating a workpiece subjected to low temperature thermomechanical processing

TOCCO INC10 citations74
US4791259ADec 13, 1988

Method and apparatus for retaining a valve seat insert

TOCCO INC11 citations74
US4715907ADec 29, 1987

Method for heat treating ferrous parts

TOCCO INC12 citations74
US4704252ANov 3, 1987

Isostatic hot forming of powder metal material

TOCCO INC7 citations74
US4675057AJun 23, 1987

Method of heat treating using eddy current temperature determination

TOCCO INC15 citations74
US4749834AJun 7, 1988

Method and apparatus of hardening gears by induction heating

TOCCO INC16 citations73
US4592537AJun 3, 1986

Apparatus for heat treating and sizing thin walled articles

TOCCO INC12 citations72

CONTINENTAL CAN CO

4 patents

HOT METAL GAS FORMING INTELLEC

3 patents

PARK OHIO INDUSTRIES INC

2 patents

(unassigned)

1 patent

HOT METAL GAS FORMING IP 2 INC

1 patent

AJAX TOCCO MAGNETHERMIC CORP

1 patent