P

Inventor

STUPAK JR JOSEPH J

US14 patents
⚠️ This page may combine multiple inventors who share the name “STUPAK JR JOSEPH J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SYNEKTRON CORP

4 patents
US4659969AApr 21, 1987

Variable reluctance actuator having position sensing and control

SYNEKTRON CORP70 citations95
US4665348AMay 12, 1987

Method for sensing and controlling the position of a variable reluctance actuator

SYNEKTRON CORP48 citations92
US4656400AApr 7, 1987

Variable reluctance actuators having improved constant force control and position-sensing features

SYNEKTRON CORP54 citations91
US4751459AJun 14, 1988

Magnetic tachometer or accelerometer having highly permeable eddy current flux circuit

SYNEKTRON CORP23 citations81

(unassigned)

4 patents
US6542348B1Apr 1, 2003

Method and system for driving a magnetizing fixture

18 citations83
US6163241ADec 19, 2000

Coil and method for magnetizing an article

21 citations83
US5469321ANov 21, 1995

Magnetizing device having variable charge storage network and voltage control

5 citations62
US6239596B1May 29, 2001

Total magnetic flux measuring device

7 citations57

MICROPUMP CORP

2 patents
US5096390AMar 17, 1992

Pump assembly with integral electronically commutated drive system

MICROPUMP CORP66 citations94
US5197865AMar 30, 1993

Integral electronically commutated drive system

MICROPUMP CORP48 citations89

ALLEN FRUIT CO INC

1 patent
US5409101AApr 25, 1995

Variably-controlled vibratory conveyor

ALLEN FRUIT CO INC34 citations89

MITSUMI ELECTRIC CO LTD

1 patent
US5373407ADec 13, 1994

Disk drive spindle motor

MITSUMI ELECTRIC CO LTD32 citations86

BARD INC C R

1 patent
US12295714B2May 13, 2025

Needle assembly including an aligned magnetic element

BARD INC C R3 citations70

IBIS SYSTEMS INC

1 patent
US4518881AMay 21, 1985

Linear motor

IBIS SYSTEMS INC2 citations56