Unsworth; Peter J.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Unsworth; Peter J..The latest application filed is for "detection of pump cavitation/blockage and seal failure via current signature analysis".

Company Profile

0.15.3

Unsworth; Peter J. - Lewes GB
Unsworth; Peter J. - East Sussex GB
Unsworth; Peter J. - Brighton GB2
Unsworth; Peter J. - Lewis GB2

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Detection of pump cavitation/blockage and seal failure via current signature analysis Grant 7,389,278 - Unsworth , et al. June 17, 2	2008-06-17
Motorized system integrated control and diagnostics using vibration, pressure, temperature, speed, and/or current analysis Grant 7,308,322 - Discenzo , et al. December 11, 2	2007-12-11
Method and system of controlling asynchronous contactors for a multi-phase electric load Grant 7,224,557 - Kinsella , et al. May 29, 2	2007-05-29
Detection of pump cavitation/blockage and seal failure via current signature analysis Grant 7,099,852 - Unsworth , et al. August 29, 2	2006-08-29
Detection of pump cavitation/blockage and seal failure via current signature analysis App 20060071666 - Unsworth; Peter J. ; et al.	2006-04-06
Method and system of controlling asynchronous contactors for a multi-phase electric load App 20050013085 - Kinsella, James J. ; et al.	2005-01-20
Detection of pump cavitation/blockage and seal failure via current signature analysis App 20040199480 - Unsworth, Peter J. ; et al.	2004-10-07
Detection of pump cavitation/blockage and seal failure via current signature analysis Grant 6,757,665 - Unsworth , et al. June 29, 2	2004-06-29
System and method for motor fault detection by space vector angular fluctuation Grant 6,640,196 - Unsworth , et al. October 28, 2	2003-10-28
Method and apparatus for motor fault diagnosis Grant 6,636,823 - Unsworth , et al. October 21, 2	2003-10-21
Method of controlling the starting, stopping and speed of an AC induction motor Grant 6,163,129 - Younger , et al. December 19, 2	2000-12-19
Method and apparatus for detecting current delay angle from motor terminal voltage Grant 5,627,447 - Unsworth , et al. May 6, 1	1997-05-06
Active harmonic filter with time domain analysis Grant 5,567,994 - Davis , et al. October 22, 1	1996-10-22
Method and apparatus for determining motor speed using zero crossing times Grant 5,548,197 - Unsworth , et al. August 20, 1	1996-08-20
Method for stopping an electric motor Grant 4,862,052 - Unsworth , et al. August 29, 1	1989-08-29
Apparatus and method for braking an electric motor Grant 4,833,386 - Unsworth May 23, 1	1989-05-23
Apparatus and methods for controlling induction motors Grant 4,800,326 - Unsworth January 24, 1	1989-01-24
Controller for induction motors Grant 4,767,975 - Unsworth August 30, 1	1988-08-30

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