John Rosa

Person

Penn Hills, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Harmonic neutralization of static inverters by successive stagger
- Patent number 5,337,227
- Issue date Aug 9, 1994
- Westinghouse Electric Corporation
- Eric J. Stacey
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Uninterruptible power supply system and load transfer static switch...
- Patent number 5,210,685
- Issue date May 11, 1993
- Westinghouse Electric Corp.
- John Rosa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
24-pulse hexagon-type AC/DC static converter
- Patent number 5,068,774
- Issue date Nov 26, 1991
- Westinghouse Electric Corp.
- John Rosa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Variable speed a-c drive
- Patent number 4,814,964
- Issue date Mar 21, 1989
- Westinghouse Electric Corp.
- Colin D. Schauder
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
AC/DC or DC/AC converter system with outboard commutation inductors
- Patent number 4,683,527
- Issue date Jul 28, 1987
- Westinghouse Electric Corp.
- John Rosa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
High frequency inverter circuit for melting and induction heating
- Patent number 4,638,138
- Issue date Jan 20, 1987
- Westinghouse Electric Corp.
- John Rosa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control system for machine commutated inverter-synchronous motor dr...
- Patent number 4,460,861
- Issue date Jul 17, 1984
- Westinghouse Electric Corp.
- John Rosa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
AC/DC or DC/AC Converter system with improved AC-line harmonic redu...
- Patent number 4,366,532
- Issue date Dec 28, 1982
- Westinghouse Electric Corp.
- John Rosa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Thyristor-controlled AC/DC converter system
- Patent number 4,358,818
- Issue date Nov 9, 1982
- Westinghouse Electric Corp.
- John Rosa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gating circuit for high voltage thyristor strings
- Patent number 4,274,135
- Issue date Jun 16, 1981
- Westinghouse Electric Corp.
- John Rosa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Transformer-rectifier apparatus
- Patent number 4,255,784
- Issue date Mar 10, 1981
- Westinghouse Electric Corp.
- John Rosa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Thyristor tap changer for electrical inductive apparatus
- Patent number 4,220,911
- Issue date Sep 2, 1980
- Westinghouse Electric Corp.
- John Rosa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
VAR Generator with current sensitive inductance break point
- Patent number 4,210,860
- Issue date Jul 1, 1980
- Westinghouse Electric Corp.
- John Rosa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Static current limiting switch with soft forced commutation
- Patent number 4,174,495
- Issue date Nov 13, 1979
- Westinghouse Electric Corp.
- John Rosa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power factor corrected dual converter motor drive
- Patent number 4,129,809
- Issue date Dec 12, 1978
- Westinghouse Electric Corp.
- John Rosa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Static reactive power generating apparatus
- Patent number 4,001,670
- Issue date Jan 4, 1977
- Westinghouse Electric Corporation
- Laszlo Gyugyi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus and method for reducing effective inductance in a dynamic...
- Patent number 3,991,352
- Issue date Nov 9, 1976
- Westinghouse Electric Corporation
- Warren C. Fry
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Variable speed drive for induction motor
- Patent number 3,991,354
- Issue date Nov 9, 1976
- Westinghouse Electric Corporation
- John Rosa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Person

Patents Grantslast 30 patents

Harmonic neutralization of static inverters by successive stagger

Uninterruptible power supply system and load transfer static switch...

24-pulse hexagon-type AC/DC static converter

Variable speed a-c drive

AC/DC or DC/AC converter system with outboard commutation inductors

High frequency inverter circuit for melting and induction heating

Control system for machine commutated inverter-synchronous motor dr...

AC/DC or DC/AC Converter system with improved AC-line harmonic redu...

Thyristor-controlled AC/DC converter system

Gating circuit for high voltage thyristor strings

Transformer-rectifier apparatus

Thyristor tap changer for electrical inductive apparatus

VAR Generator with current sensitive inductance break point

Static current limiting switch with soft forced commutation

Power factor corrected dual converter motor drive

Static reactive power generating apparatus

Apparatus and method for reducing effective inductance in a dynamic...

Variable speed drive for induction motor