Davey J. Chance

Person

Concord, NC, US

People

Patents Grantslast 30 patents

Information Patent Grant
Cut-off protection system for electrical discharge machining apparatus
- Patent number 4,471,198
- Issue date Sep 11, 1984
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Programmable pulse generator for electrical discharge machining app...
- Patent number 4,320,279
- Issue date Mar 16, 1982
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Servo feed system for electrical discharge machining apparatus
- Patent number 4,320,278
- Issue date Mar 16, 1982
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Current limit system for electrical discharge machining apparatus
- Patent number 4,319,114
- Issue date Mar 9, 1982
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power output module for electrical discharge machining power supply...
- Patent number 4,306,135
- Issue date Dec 15, 1981
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Gap condition sensing circuit for electrical discharge machining po...
- Patent number 4,303,957
- Issue date Dec 1, 1981
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Adaptive control of gap voltage and power to control servo operatio...
- Patent number 4,296,302
- Issue date Oct 20, 1981
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrical discharge machining power supply with digitally controll...
- Patent number 4,292,490
- Issue date Sep 29, 1981
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Protection circuit for electrical discharge machining power supply
- Patent number 4,267,423
- Issue date May 12, 1981
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power supply circuit of the high voltage type for electrical discha...
- Patent number 4,267,422
- Issue date May 12, 1981
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Over current protection system for electrical discharge machining a...
- Patent number 4,258,243
- Issue date Mar 24, 1981
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power output module for electrical discharge machining power supply...
- Patent number 4,254,320
- Issue date Mar 3, 1981
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Gap condition light indicator system for electrical discharge machi...
- Patent number 4,249,059
- Issue date Feb 3, 1981
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Servo feed system for an electrical discharge machining apparatus
- Patent number 4,242,560
- Issue date Dec 30, 1980
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multi-lead servo feed system for electrical discharge machining app...
- Patent number 4,238,660
- Issue date Dec 9, 1980
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Servo feed circuit for electrical discharge machining apparatus
- Patent number 4,152,569
- Issue date May 1, 1979
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Current control system for electrical discharge machining apparatus
- Patent number 4,151,388
- Issue date Apr 24, 1979
- Colt Industries Operating Corp
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrical discharge machining power circuit
- Patent number 4,056,702
- Issue date Nov 1, 1977
- Colt Industries Operating Corporation
- Oliver A. Bell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Davey J. Chance

Person

Patents Grantslast 30 patents

Cut-off protection system for electrical discharge machining apparatus

Programmable pulse generator for electrical discharge machining app...

Servo feed system for electrical discharge machining apparatus

Current limit system for electrical discharge machining apparatus

Power output module for electrical discharge machining power supply...

Gap condition sensing circuit for electrical discharge machining po...

Adaptive control of gap voltage and power to control servo operatio...

Electrical discharge machining power supply with digitally controll...

Protection circuit for electrical discharge machining power supply

Power supply circuit of the high voltage type for electrical discha...

Over current protection system for electrical discharge machining a...

Power output module for electrical discharge machining power supply...

Gap condition light indicator system for electrical discharge machi...

Servo feed system for an electrical discharge machining apparatus

Multi-lead servo feed system for electrical discharge machining app...

Servo feed circuit for electrical discharge machining apparatus

Current control system for electrical discharge machining apparatus

Electrical discharge machining power circuit