| Patent | Date |
|---|
Refrigerant handling system and method with air purge and system clearing capabilities
Grant 5,517,825 - Manz , et al. May 21, 1 | 1996-05-21 |
Thermoelectric refrigerant handling system
Grant 5,497,625 - Manz , et al. March 12, 1 | 1996-03-12 |
Refrigerant filtation system with filter change indication
Grant 5,417,075 - Manz May 23, 1 | 1995-05-23 |
Apparatus and method for identifying and distinguishing different refrigerants
Grant 5,392,639 - Manz February 28, 1 | 1995-02-28 |
Method and apparatus for analyzing refrigerant properties
Grant 5,371,019 - Manz , et al. December 6, 1 | 1994-12-06 |
Refrigerant handling system with air purge and multiple refrigerant capabilities
Grant 5,285,647 - Manz , et al. February 15, 1 | 1994-02-15 |
Refrigerant handling system with auxiliary condenser flow control
Grant 5,261,249 - Manz , et al. November 16, 1 | 1993-11-16 |
Refrigerant recovery system
Grant 5,209,077 - Manz , et al. May 11, 1 | 1993-05-11 |
Refrigerant handling system with inlet refrigerant liquid/vapor flow control
Grant 5,203,177 - Manz , et al. April 20, 1 | 1993-04-20 |
Refrigerant handling system with air purge and multiple refrigerant capabilities
Grant 5,181,391 - Manz January 26, 1 | 1993-01-26 |
Refrigerant recovery, purification and recharging system and method
Grant 5,172,562 - Manz , et al. December 22, 1 | 1992-12-22 |
Apparatus for identifying and distinguishing different refrigerants
Grant 5,158,747 - Manz , et al. October 27, 1 | 1992-10-27 |
Refrigerant handling system with facility for clearing system components of refrigerant
Grant 5,127,239 - Manz , et al. July 7, 1 | 1992-07-07 |
Refrigeration equipment service apparatus with quick-disconnect couplings
Grant 5,080,132 - Manz , et al. January 14, 1 | 1992-01-14 |
Refrigerant handling system with air purge and multiple refrigerant capabilities
Grant 5,063,749 - Manz November 12, 1 | 1991-11-12 |
Refrigerant handling system with compressor oil separation
Grant 5,042,271 - Manz August 27, 1 | 1991-08-27 |
Refrigerant purification with automatic air purge
Grant 5,005,369 - Manz April 9, 1 | 1991-04-09 |
Refrigeration equipment service apparatus with quick-disconnect couplings
Grant 5,005,375 - Manz , et al. April 9, 1 | 1991-04-09 |
Recovery system for differing refrigerants
Grant 4,939,905 - Manz July 10, 1 | 1990-07-10 |
Refrigerant recovery and purification system
Grant 4,938,031 - Manz , et al. * July 3, 1 | 1990-07-03 |
Service station for refrigeration equipment
Grant RE33,212 - Lower , et al. May 8, 1 | 1990-05-08 |
Refrigerant recovery and purification system
Grant 4,809,520 - Manz , et al. March 7, 1 | 1989-03-07 |
Refrigerant recovery, purification and recharging system
Grant 4,805,416 - Manz , et al. February 21, 1 | 1989-02-21 |
Refrigerant recovery and purification system
Grant 4,768,347 - Manz , et al. September 6, 1 | 1988-09-06 |
Service station for refrigeration equipment
Grant 4,688,388 - Lower , et al. August 25, 1 | 1987-08-25 |
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