E. R. A. Patents Limited

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Patents Grantslast 30 patents

Information Patent Grant
Waveguide and slotted antenna array with moveable rows of spaced posts
- Patent number 7,142,165
- Issue date Nov 28, 2006
- ERA Patents Limited
- Francisco Javier Vazquez Sanchez
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Logarithmic amplifier
- Patent number 4,885,483
- Issue date Dec 5, 1989
- ERA Patents Limited
- Colin S. Aitchison
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Transformer testing
- Patent number 4,857,856
- Issue date Aug 15, 1989
- ERA Patents Limited
- Raymond L. Coleman
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for testing electrical equipent
- Patent number 4,785,233
- Issue date Nov 15, 1988
- ERA Patents Limited
- Raymond L. Coleman
- G01 - MEASURING TESTING
Information Patent Grant
Dual phase shifter
- Patent number 4,751,453
- Issue date Jun 14, 1988
- ERA Patents Limited
- Stephen J. Foti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Static inverter with energy return
- Patent number 4,348,719
- Issue date Sep 7, 1982
- ERA Patents Limited
- Graham P. Hicks
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical resistance compositions
- Patent number 4,044,173
- Issue date Aug 23, 1977
- E. R. A. Patents Limited
- Alexander S. Laurie
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Radiation controller including reactive elements on a dielectric su...
- Publication number 20070176846
- Publication date Aug 2, 2007
- ERA PATENTS LIMITED
- Javier Vazquez
- H01 - BASIC ELECTRIC ELEMENTS

Trademarklast 30 trademarks