Houldsworth; John

Patent Applications and Registrations

Patent applications and USPTO patent grants for Houldsworth; John.The latest application filed is for "cell based temperature monitoring".

Company Profile

0.19.13

Houldsworth; John - Reston VA
Houldsworth; John - Fairfax County VA
Houldsworth; John - Yeovil 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
Cell based temperature monitoring Grant 8,831,904 - Houldsworth September 9, 2	2014-09-09
High voltage latching and DC restoration isolation and level shifting method and apparatus Grant 8,717,063 - Stirk , et al. May 6, 2	2014-05-06
Cell Based Temperature Monitoring App 20130332103 - Houldsworth; John	2013-12-12
Voltage monitoring using bitstream signal processing Grant 8,436,620 - Stirk , et al. May 7, 2	2013-05-07
Cell based temperature monitoring Grant 8,306,771 - Houldsworth November 6, 2	2012-11-06
High Voltage Latching And Dc Restoration Isolation And Level Shifting Method And Apparatus App 20120256656 - Stirk; Gary ; et al.	2012-10-11
High voltage latching and DC restoration isolation and level shifting method and apparatus Grant 8,228,092 - Stirk , et al. July 24, 2	2012-07-24
Method And Apparatus For Managing Energy In Plural Energy Storage Units App 20120177954 - Houldsworth; John ; et al.	2012-07-12
Voltage Monitoring Using Bitstream Signal Processing App 20120056624 - Stirk; Gary Lee ; et al.	2012-03-08
Method and apparatus for managing energy in plural energy storage units Grant 8,115,453 - Houldsworth , et al. February 14, 2	2012-02-14
High Voltage Latching And Dc Restoration Isolation And Level Shifting Method And Apparatus App 20110031944 - Stirk; Gary ; et al.	2011-02-10
Method And Apparatus For Managing Energy In Plural Energy Storage Units App 20100109610 - Houldsworth; John ; et al.	2010-05-06
Cell Based Temperature Monitoring App 20100010769 - Houldsworth; John	2010-01-14
Method and apparatus for managing energy in plural energy storage units Grant 7,615,966 - Houldsworth , et al. November 10, 2	2009-11-10
One time operating state detecting method and apparatus Grant 7,589,533 - Houldsworth September 15, 2	2009-09-15
Method and apparatus for brightness control of indication lights Grant 7,477,158 - Houldsworth , et al. January 13, 2	2009-01-13
Method and apparatus for time measurement Grant 7,315,489 - Houldsworth January 1, 2	2008-01-01
Method and apparatus for detecting impedance Grant 7,259,572 - Houldsworth , et al. August 21, 2	2007-08-21
One time operating state detecting method and apparatus Grant 7,248,053 - Houldsworth July 24, 2	2007-07-24
One Time Operating State Detecting Method And Apparatus App 20070052422 - Houldsworth; John	2007-03-08
One time operating state detecting method and apparatus App 20060012333 - Houldsworth; John	2006-01-19
Method and apparatus for time measurement App 20050275475 - Houldsworth, John	2005-12-15
Method and apparatus for brightness control of indication lights App 20050275551 - Houldsworth, John ; et al.	2005-12-15
Method and apparatus for detecting impedance App 20050275408 - Houldsworth, John ; et al.	2005-12-15
Method and apparatus for managing energy in plural energy storage units App 20050024015 - Houldsworth, John ; et al.	2005-02-03
Method and apparatus for producing signal processing circuits in the delta sigma domain Grant 6,360,283 - Houldsworth March 19, 2	2002-03-19
Two-way, two-wire analog/digital communication system Grant 5,793,754 - Houldsworth , et al. August 11, 1	1998-08-11
Method and apparatus for sensing a cold junction temperature Grant 5,484,206 - Houldsworth January 16, 1	1996-01-16
Method of assembly for small electrical devices Grant 5,093,985 - Houldsworth , et al. March 10, 1	1992-03-10
Display apparatus Grant 4,237,457 - Houldsworth December 2, 1	1980-12-02

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