Roy Heppinstall

Person

Essex, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Electron beam tube apparatus having a common output combining cavity
- Patent number 7,202,605
- Issue date Apr 10, 2007
- E2V Tēchnologies Limited
- Roy Heppinstall
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
RF radiation absorbing material disposed between the cathode and an...
- Patent number 5,691,667
- Issue date Nov 25, 1997
- English Electric Valve Co., Ltd.
- Alan Hugh Pickering
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electron beam tube collector having ceramic shielding means
- Patent number 5,684,364
- Issue date Nov 4, 1997
- EEV Limited
- Roy Heppinstall
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High frequency amplifying apparatus with a collector which has a pe...
- Patent number 5,283,534
- Issue date Feb 1, 1994
- EEV Limited
- Heinz P. Bohlen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Amplifying arrangements which modulate an electron beam
- Patent number 5,281,923
- Issue date Jan 25, 1994
- EEV Limited
- Roy Heppinstall
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electron beam tube arrangements having primary and secondary output...
- Patent number 5,239,272
- Issue date Aug 24, 1993
- EEV Limited
- Heinz P. Bohlen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Amplifying arrangements
- Patent number 4,820,996
- Issue date Apr 11, 1989
- English Electric Valve Company Limited
- Roy Heppinstall
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifying arrangements including a klystron having a power transfe...
- Patent number 4,733,192
- Issue date Mar 22, 1988
- British Broadcasting Corporation
- Roy Heppinstall
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Klystron amplifiers
- Patent number 4,099,133
- Issue date Jul 4, 1978
- English Electric Valve Company Limited
- Roy Heppinstall
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Electron beam tube apparatus
- Publication number 20050116651
- Publication date Jun 2, 2005
- Roy Heppinstall
- H01 - BASIC ELECTRIC ELEMENTS

Roy Heppinstall

Person

Patents Grantslast 30 patents

Electron beam tube apparatus having a common output combining cavity

RF radiation absorbing material disposed between the cathode and an...

Electron beam tube collector having ceramic shielding means

High frequency amplifying apparatus with a collector which has a pe...

Amplifying arrangements which modulate an electron beam

Electron beam tube arrangements having primary and secondary output...

Amplifying arrangements

Amplifying arrangements including a klystron having a power transfe...

Klystron amplifiers

Patents Applicationslast 30 patents

Electron beam tube apparatus