IP Library › Assignment 005156/0705
Patent Assignment
Reel/Frame 005156/0705

Security Interest

Recorded: 1989-05-02 Pages: 3
Assignor
YORK INTERNATIONAL CORPORATION
Executed: 1988-12-15
Assignee
Covered Properties (78)
Refrigeration System with Fluid Transformer for Controlling Regrigeran T Flow
Patent: 3,710,586 →
Application: 05/115,506 →
Fluid Powered Expansion Engine
Patent: 3,711,224 →
Application: 05/115,507 →
Method and Apparatus for Removing Moisture from a Refrigeration System
Patent: 3,710,585 →
Application: 05/132,033 →
Temperature Control System for Centrifugal Liquid Chilling Machines
Patent: 3,780,532 →
Application: 05/181,507 →
Start-Up System for Inverter Driven Motor Including Inverter Bypass Ci Rcuitry
Patent: 3,753,069 →
Application: 05/199,875 →
Oil Return System for Refrigeration Apparatus
Patent: 3,777,509 →
Application: 05/233,895 →
Liquid Level Protection System for Refrigeration Compressor
Patent: 3,744,267 →
Application: 05/234,822 →
Direct Liquid Refrigerant Supply and Return System
Patent: 3,919,858 →
Application: 05/467,318 →
Heat Pump Control System
Patent: 4,102,389 →
Application: 05/732,674 →
Hermetic Compressor Lubrication System
Patent: 4,111,612 →
Application: 05/785,713 →
Control System for Regulating Large Capacity Rotating Machinery
Patent: 4,151,725 →
Application: 05/816,428 →
Boiling Heat Transfer Surface, Method of Preparing Same and Method of Boiling
Patent: 4,186,063 →
Application: 05/847,637 →
Temperature Compensated Control for Air Conditioning System or Heat Pump
Patent: 4,221,116 →
Application: 05/912,636 →
Hot Gas Bypass Control for Centrifugal Liquid Chillers
Patent: 4,248,055 →
Application: 06/003,316 →
Control of Absorption Systems Energized from Plural Storage Tanks Maintained at Different Temperatures
Patent: 4,251,997 →
Application: 06/026,463 →
Apparatus for Reducing Ice Build-Up on a Discharge Grill of a Heat Pump Outdoor Unit
Patent: 4,228,663 →
Application: 06/057,487 →
Evaporator Inlet Water Temperature Control System
Patent: 4,282,718 →
Application: 06/075,041 →
Adjustable Surge and Capacity Control System
Patent: 4,275,987 →
Application: 06/075,042 →
Logic Control System for Inverter-Driven Motor
Patent: 4,259,845 →
Application: 06/075,043 →
Control System for Regulating Large Capacity Rotating Machinery
Patent: 4,282,719 →
Application: 06/075,044 →
Inverter-Motor System with Different Control Characteristics for Inverter Voltage and Frequency
Patent: 4,317,074 →
Application: 06/075,291 →
Condenser with Improved Heat Transfer
Patent: 4,252,186 →
Application: 06/076,714 →
Heat Pump Control System
Patent: 4,265,299 →
Application: 06/079,859 →
Microcomputer Control for Supplemental Heating in a Heat Pump
Patent: 4,269,261 →
Application: 06/080,361 →
Microcomputer Control for Supplemental Heating with Night Set-Back
Patent: 4,265,298 →
Application: 06/080,362 →
Microcomputer Control for an Inverter-Driven Heat Pump
Patent: 4,257,238 →
Application: 06/080,363 →
Single Casing, Multiple Duty Valve
Patent: 4,227,380 →
Application: 06/092,901 →
Solid State Compressor Control System
Patent: 4,336,001 →
Application: 06/141,032 →
Refrigerant Condensing System
Patent: 4,314,456 →
Application: 06/146,716 →
Capacity Control Systems for Screw Compressor Based Water Chillers
Patent: 4,351,160 →
Application: 06/159,572 →
Thermostat
Patent: 267,479 →
Application: 06/193,336 →
Apparatus for Covering a Liqid Basin, and Roller-Blind Type Cover for Use Therein
Patent: 4,378,608 →
Application: 06/210,607 →
Telemetry System for Centrifugal Water Chilling Systems
Patent: 4,387,368 →
Application: 06/212,299 →
Microcomputer Control for Inverter-Driven Heat Pump
Patent: 4,364,237 →
Application: 06/230,486 →
Adjustable Surge and Capacity Control System
Patent: 4,355,948 →
Application: 06/235,266 →
Refrigeration System Condenser Heat Recovery at Higher Temperature Than Normal Condensing Temperature
Patent: 4,325,226 →
Application: 06/235,404 →
Ice-Making Apparatus with Hot Gas Defrost
Patent: 4,324,109 →
Application: 06/242,219 →
Volume Ratio Control Means for Axial Flow Helical Screw Type Compressor
Patent: 4,457,681 →
Application: 06/274,132 →
Refrigeration System Condenser Heat Recovery at Higher Temperature Than Normal Condensng Temperature
Patent: 4,402,189 →
Application: 06/320,358 →
Method of Making Ice Using Hot Gas Defrost
Patent: 4,404,810 →
Application: 06/335,049 →
Return Air Flow Control for Variable Air Volume System
Patent: 4,407,185 →
Application: 06/351,634 →
Hermetic Dynamoelectric Device with Two-Phase Refrigerant Cooling and Sealing
Patent: 4,376,902 →
Application: 06/354,335 →
Control System for Ac Induction Motor
Patent: 4,425,539 →
Application: 06/373,554 →
Programmable Maintenance Timer System
Patent: 4,539,632 →
Application: 06/425,733 →
Control System for Controlling an Scr Network to Regulate Three-Phase a-C Power Flow
Patent: 4,499,534 →
Application: 06/434,018 →
Heat Transfer Surface with Increased Liquid to Air Evaporative Heat Exchange
Patent: 4,434,112 →
Application: 06/437,409 →
Control System for Water Heater with External Heat Source
Patent: 4,543,468 →
Application: 06/450,499 →
Radial and Thrust Bearing Mountings Providing Independent Loading
Patent: 4,465,446 →
Application: 06/493,484 →
Quick Recovery Heat Pump Water Heater
Patent: 4,498,622 →
Application: 06/497,481 →
Trigger Circuit for Solid State Switch
Patent: 4,554,463 →
Application: 06/498,366 →
Batch-Type Water Heating Apparatus
Patent: 4,558,818 →
Application: 06/509,760 →
Variable Liquid Refrigerant Injection Port Locator for Screw Compressor Equipped with Automatic Variable Volume Ratio
Patent: 4,515,540 →
Application: 06/554,477 →
Environmental Control System
Patent: 4,517,810 →
Application: 06/562,266 →
Control System for Electric Water Heater with Heat Pump External Heat Source
Patent: 4,540,874 →
Application: 06/570,338 →
Balancing System for Limiting Voltage Imbalance Across Series-Connected Capacitors
Patent: 4,568,871 →
Application: 06/574,222 →
Surge Protection System for a D-C Power Supply During Power-Up
Patent: 4,573,113 →
Application: 06/574,301 →
Control System and Method for Defrosting the Outdoor Coil of a Heat Pump
Patent: 4,563,877 →
Application: 06/619,957 →
Heat Pump Water Heater with Supplemental Heat Supply
Patent: 4,517,807 →
Application: 06/640,891 →
Capacity Control Systems for Inverter-Driven Centrifugal Compressor Based Water Chillers
Patent: 4,546,618 →
Application: 06/652,401 →
Micro-Processor Control of Moveable Slide Stop and a Moveable Slide Valve in a Helical Screw Rotary Compressor
Patent: 4,516,914 →
Application: 06/659,038 →
Micro-Processor Control of Compression Ratio at Full Load in a Helical Screw Rotary Compressor Responsive to Compressor Drive Motor Current
Patent: 4,519,748 →
Application: 06/659,039 →
Self-Optimizing, Capacity Control System for Inverter-Driven Centrifugal Compressor Based Water Chillers
Patent: 4,608,833 →
Application: 06/685,685 →
Micro-Processor Control of Compression Ratio at Full Load in a Helical Screw Rotary Compressor Responsive to Compressor Drive Motor Current
Patent: 4,548,549 →
Application: 06/699,885 →
Method of Cooling the Oil in Screw Compressors Equipped with Automatic Variable Volume Ratio
Patent: 4,553,911 →
Application: 06/701,592 →
Micro-Processor Control of a Movable Slide Stop and a Movable Slide Valve in a Helical Screw Rotary Compressor with an Enconomizer Inlet Port
Patent: 4,609,329 →
Application: 06/720,323 →
Control System for Defrosting the Outdoor Coil of a Heat Pump
Patent: 4,590,771 →
Application: 06/736,899 →
Control System for Liquid Chilled by an Evaporator
Patent: 4,584,845 →
Application: 06/750,205 →
Dianostic System for Detecting Faulty Sensors in Liquid Chiller Air Conditioning System
Patent: 4,660,386 →
Application: 06/777,383 →
Diagnostic System for Detecting Faulty Sensors in a Refrigeration System
Patent: 4,653,280 →
Application: 06/777,384 →
Control Panel for an Air Conditioning System
Patent: 296,776 →
Application: 06/791,272 →
Pulse Width Modulated Inverter System for Driving Single Phase a-C Induction Motor at a Constant Voltage/Frequency Ratio
Patent: 4,651,079 →
Application: 06/803,027 →
Pulse Width Modulated Inverter System for Driving Single Phase a-C Induction Motor
Patent: 4,706,180 →
Application: 06/803,028 →
Variable Volume Ratio Screw Compressor with Step Control
Patent: 4,678,406 →
Application: 06/855,676 →
Method and Apparatus for Making Fragmentary Ice
Patent: 4,646,526 →
Application: 06/881,329 →
Universal Motor Control System
Patent: 4,673,850 →
Application: 06/885,309 →
Centrifugal and Impingement Oil Separator
Patent: 4,690,759 →
Application: 06/918,062 →
Multi-Purpose Valve Assembly
Patent: 4,685,310 →
Application: 06/918,063 →
Driving System for Single Phase a-C Induction Motor
Patent: 5,252,905 →
Application: 07/132,614 →
Related Assignments (5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Sep 15, 1986
From: MAUDLIN, WENDELL E.
To: YORK INTERNATIONAL CO.
Reel/Frame 004604/0677 →
Assignment of Assignors Interest. Feb 4, 1987
From: BORG-WARNER CORPORATION
To: YORK INTERNATIONAL CORPORATION, 631 SOUTH RICHLAND AVENUE, YORK, PA 17403, A CORP. OF DE
Reel/Frame 004676/0360 →
Security Interest Jan 31, 1992
From: YORK OPERATING COMPANY, F/K/A YORK INTERNATIONAL CORPORATION A DE CORP.
To: CANADIAN IMPERIAL BANK OF COMMERCE
Reel/Frame 005994/0916 →
Security Interest Feb 4, 1992
From: YORK INTERNATIONAL CORPORATION (F/K/A YORK OPERATING COMPANY)
To: CANADIAN IMPERIAL BANK OF COMMERCE
Reel/Frame 006007/0123 →
Released by Secured Party Jul 8, 1992
From: YORK INTERNATIONAL CORPORATION, A DE CORP.
To: CANADIAN IMPERIAL BANK OF COMMERCE
Reel/Frame 006194/0182 →