David Henry Pearce

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Moseley Birmingham, GB

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Patents Grantslast 30 patents

Information Patent Grant
Loudspeaker using an electro-active device
- Patent number 7,224,813
- Issue date May 29, 2007
- 1... Limited
- Anthony Hooley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sensor using electro active curved helix and double helix
- Patent number 7,069,795
- Issue date Jul 4, 2006
- 1... Limited
- Gareth McKevitt
- G01 - MEASURING TESTING
Information Patent Grant
Camera lens positioning using a electro-active device
- Patent number 7,068,930
- Issue date Jun 27, 2006
- 1... Limited
- Gareth McKevitt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electro active devices
- Patent number 6,833,656
- Issue date Dec 21, 2004
- 1... Limited
- Anthony Hooley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Aerogels, piezoelectric devices, and uses therefor
- Patent number 6,677,034
- Issue date Jan 13, 2004
- 1... Limited
- Anthony Hooley
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Electro-active actuator
- Publication number 20050269906
- Publication date Dec 8, 2005
- 1... Limited
- James Allan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Actuator assembly
- Publication number 20050074134
- Publication date Apr 7, 2005
- David Henry Pearce
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Sensor using electro active curved helix and double helix
- Publication number 20040237676
- Publication date Dec 2, 2004
- Gareth McKevitt
- G01 - MEASURING TESTING
Information Patent Application
Camera lens positioning using an electro-active device
- Publication number 20040234257
- Publication date Nov 25, 2004
- Gareth McKevitt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Piezoelectric driver device with integral sensing layer
- Publication number 20040101150
- Publication date May 27, 2004
- 1...Limited
- Anthony Hooley
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
Electro active devices
- Publication number 20040017129
- Publication date Jan 29, 2004
- Anthony Hooley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Loudspeaker using an electro-active device
- Publication number 20030095678
- Publication date May 22, 2003
- Anthony Hooley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE