Richard J. ZAJKOWSKI

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Powell, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Connector assembly
- Patent number 11,095,062
- Issue date Aug 17, 2021
- Westinghouse Air Brake Technologies Corporation
- Jeffrey Alan Thomas
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for maintaining uninterruptible power supplies
- Patent number 8,519,567
- Issue date Aug 27, 2013
- Liebert Corporation
- Richard J. Zajkowski
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Adaptive and modular UPS system and method
- Patent number 8,373,306
- Issue date Feb 12, 2013
- Liebert Corporation
- Michael Wassermann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for maintaining uninterruptible power supplies
- Patent number 8,212,404
- Issue date Jul 3, 2012
- Liebert Corporation
- Richard J. Zajkowski
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for maintaining uninterruptible power supplies
- Patent number 7,888,816
- Issue date Feb 15, 2011
- Liebert Corporation
- Richard J. Zajkowski
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Neutral bonding system for uninteruptible power supply
- Patent number 6,100,605
- Issue date Aug 8, 2000
- Liebert Corporation
- Richard J. Zajkowski
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
CONNECTOR ASSEMBLY
- Publication number 20210194167
- Publication date Jun 24, 2021
- WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
- Jeffrey Alan Thomas
- B61 - RAILWAYS
Information Patent Application
Method and Apparatus for Maintaining Uninterruptible Power Supplies
- Publication number 20120119580
- Publication date May 17, 2012
- LIEBERT CORPORATION
- Richard J. ZAJKOWSKI
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
METHOD AND APPARATUS FOR MAINTAINING UNINTERRUPTIBLE POWER SUPPLIES
- Publication number 20110101785
- Publication date May 5, 2011
- LIEBERT CORPORATION
- Richard J. ZAJKOWSKI
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
ADAPTIVE AND MODULAR UPS SYSTEM AND METHOD
- Publication number 20100138586
- Publication date Jun 3, 2010
- LIEBERT CORPORATION
- Michael Wassermann
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
METHOD AND APPARATUS FOR MAINTAINING UNINTERRUPTIBLE POWER SUPPLIES
- Publication number 20080303347
- Publication date Dec 11, 2008
- LIEBERT CORPORATION
- Richard J. ZAJKOWSKI
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC