Roy Freeland

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Hampshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Converting mechanical vibrational energy into electrical energy
- Patent number 8,432,084
- Issue date Apr 30, 2013
- Perpetuum Ltd.
- Stephen Roberts
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Energy harvester for an implant device
- Patent number 8,135,469
- Issue date Mar 13, 2012
- Perpetuum Ltd.
- Stephen Roberts
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Generator for converting mechanical vibrational energy into electri...
- Patent number 8,080,906
- Issue date Dec 20, 2011
- Perpetuum Ltd.
- Stephen Roberts
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electromechanical generator for converting mechanical vibrational e...
- Patent number 7,999,402
- Issue date Aug 16, 2011
- Perpetuum Ltd.
- Roy Freeland
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electromechanical generator for converting mechanical vibrational e...
- Patent number 7,843,090
- Issue date Nov 30, 2010
- Perpetuum Ltd.
- Stephen Roberts
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Electromechanical Generator for Converting Mechanical Vibrational E...
- Publication number 20100176664
- Publication date Jul 15, 2010
- PERPETUUM LTD.
- Stephen Roberts
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Converting Mechanical Vibrational Energy Into Electrical Energy
- Publication number 20100033142
- Publication date Feb 11, 2010
- PERPETUUM LTD.
- Stephen Roberts
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electromechanical Generator for Converting Mechanical Vibrational E...
- Publication number 20090218824
- Publication date Sep 3, 2009
- PERPETUUM LTD.
- Roy Freeland
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Generator For Converting Mechanical Vibrational Energy Into Electri...
- Publication number 20080278008
- Publication date Nov 13, 2008
- PERPETUUM LTD.
- Stephen Roberts
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Energy Harvester for an Implant Device
- Publication number 20080262562
- Publication date Oct 23, 2008
- PERPETUUM LTD.
- Stephen ROBERTS
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE