Inventor

SPELLMAN GORDON B

26 patents

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

SPELLMAN GORDON B

EATON CORP

Laser beam plasma pinch X-ray system

Plasma pinch X-ray method

X-ray lithography system

Plasma pinch X-ray apparatus

Radiant energy activated semiconductor switch

Amplified gate thyristor with non-latching amplified control transistors across base layers

Integrated gate turn-off device with lateral regenerative portion and vertical non-regenerative power portion

Transducer combining comparator or converter function with sensor function

Temperature sensitive relaxation oscillator

Thyristor having widened region of temperature sensitivity with respect to breakover voltage

Columnated and trimmed magnetically sensitive semiconductor

Electromechanical programmer/timer

Gate turn-off device with high turn-off gain

Integrated gate turn-off device with non-regenerative power portion and lateral regenerative portion having split emission path

Solid state current limiter

Temperature sensitive astable multivibrator

Electrical resistance ignitor with spaced parallel filaments brazed in refractory block recesses

Thermally protected semiconductor with accurate phase control

Solid state display

CUTLER HAMMER INC

Semiconductor temperature switches

Integrated thermally sensitive power switching semiconductor device, including a thermally self-protected version

Silicon thyristor sensitive to low temperature with thermal switching characteristics at temperatures less than 50° C

Thermally self-protected power switching semiconductor device

Electromechanical chopper for speed control of battery powered devices

(unassigned)

Electrically enhanced hot surface igniter

SPELLMAN GORDON B

Integrated gate turn-off device having a vertical power transistor forming a regenerative loop with a lateral transistor