Tracy; John G.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tracy; John G..The latest application filed is for "nested redundant uninterruptible power supply apparatus and methods".

Company Profile

0.10.10

Tracy; John G. - Hendersonville TN
Tracy; John G. - Raleigh NC

*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
Nested Redundant Uninterruptible Power Supply Apparatus and Methods App 20160020645 - Tracy; John G. ; et al.	2016-01-21
Self-testing power supply apparatus, methods and computer program products Grant 7,948,778 - Pfitzer , et al. May 24, 2	2011-05-24
Nested Redundant Uninterruptible Power Supply Apparatus And Methods App 20100102636 - Tracy; John G. ; et al.	2010-04-29
Nested redundant uninterruptible power supply apparatus and methods Grant 7,638,899 - Tracy , et al. December 29, 2	2009-12-29
Power converter apparatus and methods using a phase reference derived from a DC bus voltage Grant 7,561,451 - Tracy , et al. July 14, 2	2009-07-14
Self-Testing Power Supply Apparatus, Methods and Computer Program Products App 20080265681 - Pfitzer; Hans-Erik ; et al.	2008-10-30
Nested Redundant Uninterruptible Power Supply Apparatus and Methods App 20070210652 - Tracy; John G. ; et al.	2007-09-13
PWM power supplies using controlled feedback timing and methods of operating same Grant 7,247,955 - Tracy , et al. July 24, 2	2007-07-24
Power conversion apparatus and methods using DC bus shifting Grant 7,088,601 - Tracy , et al. August 8, 2	2006-08-08
Multi-mode uninterruptible power supplies and methods of operation thereof Grant 7,050,312 - Tracy , et al. May 23, 2	2006-05-23
Self-testing power supply apparatus, methods and computer program products App 20050286274 - Pfitzer, Hans-Erik ; et al.	2005-12-29
Multi-use power conversion modules App 20050265059 - Tracy, John G. ; et al.	2005-12-01
Power converter apparatus and methods using a phase reference derived from a DC bus voltage App 20050243488 - Tracy, John G. ; et al.	2005-11-03
Multi-mode uninterruptible power supplies and methods of operation thereof App 20050201127 - Tracy, John G. ; et al.	2005-09-15
Power conversion apparatus and methods using DC bus shifting App 20050162137 - Tracy, John G. ; et al.	2005-07-28
PWM power supplies using controlled feedback timing and methods of operating same App 20040046456 - Tracy, John G. ; et al.	2004-03-11
Twelve-pulse rectifiers including separate six-pulse controllers and methods of controlling same Grant 6,307,763 - Chavez , et al. October 23, 2	2001-10-23
Apparatus and methods for space-vector domain control in uninterruptible power supplies Grant 6,201,720 - Tracy , et al. March 13, 2	2001-03-13
Independent load sharing of AC power systems connected in parallel Grant 5,745,356 - Tassitino, Jr. , et al. April 28, 1	1998-04-28
Uninterruptible power supply with isolated bypass winding Grant 4,673,825 - Raddi , et al. June 16, 1	1987-06-16

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.