Charles F. BLAIR

Person

Powell, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method to reduce inrush currents in a transformer-less rectifier un...
- Patent number 10,439,431
- Issue date Oct 8, 2019
- Vertiv Corporation
- Charles F. Blair
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for power sharing in a multiple UPS system
- Patent number 10,404,094
- Issue date Sep 3, 2019
- Vertiv Corporation
- Terry D. Bush
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
3-wire transformer-free UPS system and method of control to reduce...
- Patent number 10,340,733
- Issue date Jul 2, 2019
- Vertiv Corporation
- Edwin Shires
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Real current meter
- Patent number 9,915,687
- Issue date Mar 13, 2018
- Liebert Corporation
- James K. Martin
- G01 - MEASURING TESTING
Information Patent Grant
Modular uninterruptible power supply
- Patent number 7,453,235
- Issue date Nov 18, 2008
- Liebert Corporation
- Charles F Blair
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Modular uninterruptible power supply battery management
- Patent number 6,700,351
- Issue date Mar 2, 2004
- Liebert Corporation
- Charles F. Blair
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Method To Reduce Inrush Currents In A Transformer-Less Rectifier Un...
- Publication number 20170244277
- Publication date Aug 24, 2017
- LIEBERT CORPORATION
- Charles F. BLAIR
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SYSTEM AND METHOD FOR POWER SHARING IN A MULTIPLE UPS SYSTEM
- Publication number 20160336796
- Publication date Nov 17, 2016
- LIEBERT CORPORATION
- Terry D. BUSH
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Real Current Meter
- Publication number 20160282390
- Publication date Sep 29, 2016
- LIEBERT CORPORATION
- James K. MARTIN
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND CIRCUIT FOR ELIMINATING TRANSFORMER SATURATION IN THE PR...
- Publication number 20160094209
- Publication date Mar 31, 2016
- LIEBERT CORPORATION
- Terry D. BUSH
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
3-WIRE TRANSFORMER-FREE UPS SYSTEM AND METHOD OF CONTROL TO REDUCE...
- Publication number 20150244206
- Publication date Aug 27, 2015
- LIEBERT CORPORATION
- Edwin SHIRES
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MODULAR UNINTERRUPTIBLE POWER SUPPLY
- Publication number 20040160214
- Publication date Aug 19, 2004
- LIEBERT CORPORATION
- Charles F. Blair
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Modular uninterruptible power supply
- Publication number 20010033502
- Publication date Oct 25, 2001
- Charles F. Blair
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Charles F. BLAIR

Person

Patents Grantslast 30 patents

Method to reduce inrush currents in a transformer-less rectifier un...

System and method for power sharing in a multiple UPS system

3-wire transformer-free UPS system and method of control to reduce...

Real current meter

Modular uninterruptible power supply

Modular uninterruptible power supply battery management

Patents Applicationslast 30 patents

Method To Reduce Inrush Currents In A Transformer-Less Rectifier Un...

SYSTEM AND METHOD FOR POWER SHARING IN A MULTIPLE UPS SYSTEM

Real Current Meter

METHOD AND CIRCUIT FOR ELIMINATING TRANSFORMER SATURATION IN THE PR...

3-WIRE TRANSFORMER-FREE UPS SYSTEM AND METHOD OF CONTROL TO REDUCE...

MODULAR UNINTERRUPTIBLE POWER SUPPLY

Modular uninterruptible power supply