Inventor
JAFFE WOLFGANG
28 patents
⚠️ This page may combine multiple inventors who share the name “JAFFE WOLFGANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SINGER CO
26 patentsUS4243899AJan 6, 1981
Linear motor with ring magnet and non-magnetizable end caps
SINGER CO55 citations96
US4293837AOct 6, 1981
Hall effect potentiometer
SINGER CO74 citations93
US4066962AJan 3, 1978
Metal detecting device with magnetically influenced Hall effect sensor
SINGER CO34 citations92
US3961298AJun 1, 1976
Dual plunger solenoid
SINGER CO36 citations90
US4266152AMay 5, 1981
Method of and apparatus for cooling electric motors and totally enclosed electric motors incorporating same
SINGER CO22 citations82
US4217507AAug 12, 1980
Linear motor
SINGER CO29 citations82
US4063123ADec 13, 1977
Rotor winding improvement
SINGER CO27 citations81
US4355255AOct 19, 1982
Brushless direct current motor and control therefor
SINGER CO16 citations74
US4301978ANov 24, 1981
Electro-magnetic thread tension control for sewing machines
SINGER CO10 citations74
US4283647AAug 11, 1981
Annular segment permanent magnet single air gap electric motor
SINGER CO10 citations74
US4143606AMar 13, 1979
Multiple armature permanent magnet motor/actuator for sewing machine drive and stitch control
SINGER CO6 citations74
US4107591AAug 15, 1978
Hall generator position sensing device
SINGER CO18 citations74
US4180007ADec 25, 1979
Electromagnetic bobbin thread supply alarm
SINGER CO7 citations73
US4164192AAug 14, 1979
Sewing machine motor speed limiting by pattern selection
SINGER CO9 citations73
US4092569AMay 30, 1978
Multiple armature permanent magnet motor/actuators
SINGER CO7 citations72
US4014275AMar 29, 1977
Sewing machine re-programmable memory
SINGER CO13 citations72
US4065739ADec 27, 1977
Reversible direction solenoid assembly
SINGER CO6 citations69
US4016441AApr 5, 1977
Linear motor
SINGER CO13 citations69
US4081974AApr 4, 1978
Knitting machine carriage with hall effect detecting means
SINGER CO15 citations67
US4495430AJan 22, 1985
Balanced armature winding for motors
SINGER CO6 citations63
US4460839AJul 17, 1984
Magnetic laminae sections for single air gap motor
SINGER CO3 citations63
US4214539AJul 29, 1980
Position sensing device for electronic sewing machine
SINGER CO5 citations63
US4205430AJun 3, 1980
Method of treating high energy magnets for improving their performance
SINGER CO2 citations63
US4188896AFeb 19, 1980
Diaphragm pump for needle threading
SINGER CO3 citations62
US4184443AJan 22, 1980
Diaphragm pump for needle threading
SINGER CO1 citations52
US3955516AMay 11, 1976
Magnetic actuated sewing machine zigzag mechanism
SINGER CO1 citations52