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Method of operating a refrigeration system in a null cycle |
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2017-04-04 |
| 9453669 |
Method of controlling inlet pressure of a refrigerant compressor |
Scott C. Milton, Stan O. Hoium, Bradley M. Ludwig |
2016-09-27 |
| 9062903 |
Economizer combined with a heat of compression system |
Lars I. Sjoholm, P. Robert Srichai, Jeffrey B. Gronneberg |
2015-06-23 |
| 7143594 |
Control method for operating a refrigeration system |
Bradley M. Ludwig |
2006-12-05 |
| 6718781 |
Refrigeration unit apparatus and method |
Lars I. Sjoholm |
2004-04-13 |
| 6401864 |
Collapsible stabilizing devices |
Matthew Stringer |
2002-06-11 |
| 6095427 |
Temperature control system and method for efficiently obtaining and maintaining the temperature in a conditioned space |
Stanley O. Hoium |
2000-08-01 |
| 5598718 |
Refrigeration system and method utilizing combined economizer and engine coolant heat exchanger |
Lars I. Sjoholm, Joseph E. LaBossiere |
1997-02-04 |
| 5596878 |
Methods and apparatus for operating a refrigeration unit |
Jay L. Hanson, James E. Nixon, Stanley O. Hoium |
1997-01-28 |
| 5477695 |
Methods and apparatus for operating a refrigeration system characterized by controlling engine coolant |
Lars I. Sjoholm, Sung L. Kwon, David H. Taylor, Lee J. Erickson |
1995-12-26 |
| 5465586 |
Methods and apparatus for operating a refrigeration system characterized by controlling engine coolant |
Lars I. Sjoholm, Sung L. Kwon, David H. Taylor, Lee J. Erickson |
1995-11-14 |
| 5465587 |
Methods and apparatus for operating a refrigeration system characterized by controlling engine coolant |
Lars I. Sjoholm, Sung L. Kwon, David H. Taylor, Lee J. Erickson |
1995-11-14 |
| 5410889 |
Methods and apparatus for operating a refrigeration system |
Lars I. Sjoholm, Lee J. Erickson |
1995-05-02 |
| 5408836 |
Methods and apparatus for operating a refrigeration system characterized by controlling engine coolant |
Lars I. Sjoholm, Sung L. Kwon, David H. Taylor, Lee J. Erickson |
1995-04-25 |
| 5228301 |
Methods and apparatus for operating a refrigeration system |
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1993-07-20 |