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Class Information
Number: 62/292
Name: Refrigeration > With means for charging closed refrigeration producing system
Description: Apparatus with means for introducing a material, usually a refrigerating fluid, into a closed circuit from a source external of the circuit, means to provide the refrigerant, to replace a lost portion or to replace one component with another.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7588059 |
Dispensing tool assembly for evacuating and charging a fluid system |
Sep. 15, 2009 |
| 7500368 |
System and method for verifying proper refrigerant and airflow for air conditioners and heat pumps in cooling mode |
Mar. 10, 2009 |
| 7493773 |
Refrigerant monitoring system and method |
Feb. 24, 2009 |
| 7428822 |
Vacuum sensor |
Sep. 30, 2008 |
| 7404414 |
Dispensing tool assembly for evacuating and/or charging a fluid system |
Jul. 29, 2008 |
| 7383693 |
Cooling device |
Jun. 10, 2008 |
| 7370483 |
Refrigerant cycle with three-way service valve for environmentally friendly refrigerant |
May. 13, 2008 |
| 7370673 |
Self-contained isolated port |
May. 13, 2008 |
| 7310964 |
Refrigerant charging using line having a control valve |
Dec. 25, 2007 |
| 7310965 |
Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus |
Dec. 25, 2007 |
| 7293419 |
Refrigerant transfer system and method |
Nov. 13, 2007 |
| 7254954 |
Refrigerant charging system and method using cartridges and scale |
Aug. 14, 2007 |
| 7210300 |
Refrigerant charging system and method with cartridges |
May. 1, 2007 |
| 7194870 |
High performance dehumidifier |
Mar. 27, 2007 |
| 7168256 |
Apparatus and method for recovery and recycle of optical fiber coolant gas |
Jan. 30, 2007 |
| 7159412 |
Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus |
Jan. 9, 2007 |
| 7146824 |
Valve plug and valve provided therewith |
Dec. 12, 2006 |
| 7127901 |
Helium management control system |
Oct. 31, 2006 |
| 7124598 |
Pressure testing and refrigerant recharging conduit assembly for automobiles |
Oct. 24, 2006 |
| 7117688 |
Refrigeration device |
Oct. 10, 2006 |
| 7114344 |
Air conditioner access and service fittings |
Oct. 3, 2006 |
| 7107781 |
Pressure testing and refrigerant recharging hose assembly for automobiles |
Sep. 19, 2006 |
| 7096685 |
Coupling for servicing a pressurized system |
Aug. 29, 2006 |
| 7086237 |
Method and apparatus to measure and transfer liquefied refrigerant in a refrigeration system |
Aug. 8, 2006 |
| 7077149 |
Fluid injection system |
Jul. 18, 2006 |
| 7073346 |
Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus and vacuum sensor |
Jul. 11, 2006 |
| 7051547 |
Air conditioning system for a motor vehicle |
May. 30, 2006 |
| 7051761 |
Fill and bleed valve for liquid cooling system |
May. 30, 2006 |
| 7033508 |
Contaminant flushing device, system, and method, particularly suited for refrigeration system servicing |
Apr. 25, 2006 |
| 7010927 |
Refrigerant system with controlled refrigerant charge amount |
Mar. 14, 2006 |
| 6986262 |
Binary refrigeration unit |
Jan. 17, 2006 |
| 6978636 |
Device for measuring pressure in automobile air conditioner and charging same with refrigerant and method of same |
Dec. 27, 2005 |
| 6971244 |
Refrigerator |
Dec. 6, 2005 |
| 6959557 |
Apparatus for the storage and controlled delivery of fluids |
Nov. 1, 2005 |
| 6952931 |
Refrigerant monitoring system and method |
Oct. 11, 2005 |
| 6901947 |
Rapid evacuation and charging system, and apparatus and methods relating thereto |
Jun. 7, 2005 |
| 6889519 |
Fluid delivery apparatus and method |
May. 10, 2005 |
| 6845626 |
Refrigeration apparatus |
Jan. 25, 2005 |
| 6843070 |
Refrigerant recycling system with single ball valve |
Jan. 18, 2005 |
| 6837064 |
Coupling for servicing a pressurized system |
Jan. 4, 2005 |
| 6832491 |
Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus |
Dec. 21, 2004 |
| 6826925 |
Apparatus for collecting and purifying refrigerant in air conditioning systems |
Dec. 7, 2004 |
| 6823688 |
Refrigerant filler casing structure |
Nov. 30, 2004 |
| 6779350 |
Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus and vacuum sensor |
Aug. 24, 2004 |
| 6745591 |
Cooling-lubricant replenishing accessory for a compressor |
Jun. 8, 2004 |
| 6735964 |
Air conditioning system with refrigerant charge management |
May. 18, 2004 |
| 6722141 |
Apparatus and methods for placing an additive fluid into a refrigerant circuit |
Apr. 20, 2004 |
| 6719003 |
Charge valve for an air conditioning system |
Apr. 13, 2004 |
| 6705100 |
Purge |
Mar. 16, 2004 |
| 6701728 |
Apparatus and method for recovery and recycle of optical fiber coolant gas |
Mar. 9, 2004 |
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