Hugh Duffy

Person

Cupertino, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Frequency-selective circuit protection arrangements
- Patent number 6,437,955
- Issue date Aug 20, 2002
- Tyco Electronics Corporation
- Hugh Duffy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Two-terminal transistor PTC circuit protection devices
- Patent number 6,188,556
- Issue date Feb 13, 2001
- Shukri Souri
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Transistor-PTC circuit protection devices
- Patent number 6,181,541
- Issue date Jan 30, 2001
- Shukri Souri
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Overcurrent protection circuits comprising combinations of PTC devi...
- Patent number 5,864,458
- Issue date Jan 26, 1999
- Raychem Corporation
- Hugh Duffy
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Circuit protection arrangements using ground fault interrupter for...
- Patent number 5,745,322
- Issue date Apr 28, 1998
- Raychem Corporation
- Hugh Duffy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical switches comprising arrangement of mechanical switches a...
- Patent number 5,737,160
- Issue date Apr 7, 1998
- Raychem Corporation
- Hugh Duffy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Overcurrent protection circuit
- Patent number 5,689,395
- Issue date Nov 18, 1997
- Raychem Corporation
- Hugh Duffy
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage sensing overcurrent protection circuit
- Patent number 5,666,254
- Issue date Sep 9, 1997
- Raychem Corporation
- Brian Thomas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical heaters
- Patent number 4,822,983
- Issue date Apr 18, 1989
- Raychem Corporation
- Robert Bremner
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Person

Patents Grantslast 30 patents

Frequency-selective circuit protection arrangements

Two-terminal transistor PTC circuit protection devices

Transistor-PTC circuit protection devices

Overcurrent protection circuits comprising combinations of PTC devi...

Circuit protection arrangements using ground fault interrupter for...

Electrical switches comprising arrangement of mechanical switches a...

Overcurrent protection circuit

Voltage sensing overcurrent protection circuit

Electrical heaters