Jeff Birchall

Follow

Person

Sheffield, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic gear system and method for reducing transmission of torque...
- Patent number 10,418,927
- Issue date Sep 17, 2019
- Magnomatics Limited
- Stuart Calverley
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus and methods for magnet retention
- Patent number 10,102,953
- Issue date Oct 16, 2018
- Magnomatics Limited
- David James Powell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic gear for use with wellbore instruments
- Patent number 9,080,386
- Issue date Jul 14, 2015
- Magnomatics, Limited
- Richard McCann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
A MAGNETIC GEAR SYSTEM AND METHOD FOR REDUCING TRANSMISSION OF TORQ...
- Publication number 20160359441
- Publication date Dec 8, 2016
- MAGNOMATICS LIMITED
- Stuart CALVERLEY
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
APPARATUS AND METHODS FOR MAGNET RETENTION
- Publication number 20160020008
- Publication date Jan 21, 2016
- Magnomatics Limited
- David James Powell
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MAGNETIC GEAR FOR USE WITH WELLBORE INSTRUMENTS
- Publication number 20140069628
- Publication date Mar 13, 2014
- Richard McCann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER