The Fredericks Company

Organization

Huntingdon Valley, PA, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Integral electrode tilt sensor and method for making same
- Patent number 7,886,451
- Issue date Feb 15, 2011
- The Fredericks Company
- Andrew Ruether
- G01 - MEASURING TESTING
Information Patent Grant
Electrolytic-tilt-sensor
- Patent number 6,688,013
- Issue date Feb 10, 2004
- The Fredericks Company
- Charles E. Greway
- G01 - MEASURING TESTING
Information Patent Grant
Thermocouple tilt sensing device
- Patent number 6,453,571
- Issue date Sep 24, 2002
- The Fredericks Company
- Wallace R. Crossan
- G01 - MEASURING TESTING
Information Patent Grant
Bayard-alpert vacuum gauge with neutralization of x-ray effect
- Patent number 6,257,069
- Issue date Jul 10, 2001
- The Fredericks Company
- Howard M. Brady
- G01 - MEASURING TESTING
Information Patent Grant
Electrolytic tilt sensor having a metallic envelope
- Patent number 6,249,984
- Issue date Jun 26, 2001
- The Fredericks Company
- Barry E. Barsky
- G01 - MEASURING TESTING
Information Patent Grant
Electrolytic tilt sensing device
- Patent number 5,852,878
- Issue date Dec 29, 1998
- The Fredericks Company
- Joseph J. Seipp
- G01 - MEASURING TESTING
Information Patent Grant
Dual axis electrolytic tilt sensor
- Patent number 5,630,280
- Issue date May 20, 1997
- The Fredericks Company
- Wallace R. Crossan
- G01 - MEASURING TESTING
Information Patent Grant
Ionization gauge having a non-time varying magnetic field generator...
- Patent number 5,568,053
- Issue date Oct 22, 1996
- The Fredericks Company
- Emil Drubetsky
- G01 - MEASURING TESTING
Information Patent Grant
Convection thermocouple vacuum gauge
- Patent number 5,351,551
- Issue date Oct 4, 1994
- The Fredericks Company
- Emil Drubetsky
- G01 - MEASURING TESTING

The Fredericks Company

Organization

Patents Grantslast 30 patents

Integral electrode tilt sensor and method for making same

Electrolytic-tilt-sensor

Thermocouple tilt sensing device

Bayard-alpert vacuum gauge with neutralization of x-ray effect

Electrolytic tilt sensor having a metallic envelope

Electrolytic tilt sensing device

Dual axis electrolytic tilt sensor

Ionization gauge having a non-time varying magnetic field generator...

Convection thermocouple vacuum gauge