-
-
-
-
Switch driver circuit
-
Patent number 5,898,554
-
Issue date Apr 27, 1999
-
York International Corporation
-
Harold R. Schnetzka
-
H03 - BASIC ELECTRONIC CIRCUITRY
-
-
Refrigeration system and method
-
Patent number 5,555,736
-
Issue date Sep 17, 1996
-
York International Corporation
-
Frank E. Wills
-
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
-
Refrigeration system and method
-
Patent number 5,460,009
-
Issue date Oct 24, 1995
-
York International Corporation
-
Frank E. Wills
-
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
-
-
-
AC motor drive system
-
Patent number 5,146,147
-
Issue date Sep 8, 1992
-
York International Corporation
-
Frank E. Wills
-
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
-
AC motor drive system
-
Patent number 5,136,216
-
Issue date Aug 4, 1992
-
York International Corporation
-
Frank E. Wills
-
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
-
Energy efficient voltage snubber circuit
-
Patent number 5,075,838
-
Issue date Dec 24, 1991
-
York International Corporation
-
Harold R. Schnetzka
-
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
-
-
-
-
-
Control system for AC induction motor
-
Patent number 4,425,539
-
Issue date Jan 10, 1984
-
Borg-Warner Corporation
-
Frank E. Wills
-
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
-
Diagnostic system for heat pump
-
Patent number 4,146,085
-
Issue date Mar 27, 1979
-
Borg-Warner Corporation
-
Frank E. Wills
-
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
-
-
Heat pump control system
-
Patent number 4,102,389
-
Issue date Jul 25, 1978
-
Borg-Warner Corporation
-
Frank Eugene Wills
-
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
-
-