| 4756219 |
Cross-cutter |
Arthur A. Dirks |
1988-07-12 |
| 4724678 |
Self-calibrating control methods and systems for refrigeration systems |
— |
1988-02-16 |
| 4722019 |
Protection methods and systems for refrigeration systems suitable for a variety of different models |
— |
1988-01-26 |
| 4722018 |
Blocked condenser airflow protection for refrigeration systems |
— |
1988-01-26 |
| 4662184 |
Single-sensor head pump defrost control system |
William J. McCarty, Frederick Hicks |
1987-05-05 |
| 4653285 |
Self-calibrating control methods and systems for refrigeration systems |
— |
1987-03-31 |
| 4643706 |
One-sided corrugated cardboard machine |
Uwe Wetterling |
1987-02-17 |
| 4534179 |
Air conditioning apparatus |
George E. Stocking |
1985-08-13 |
| 4346566 |
Refrigeration system gravity defrost |
William J. McCarty, Russell L. McCreary |
1982-08-31 |
| 4346755 |
Two stage control circuit for reversible air cycle heat pump |
Robert P. Alley, John W. Relyea |
1982-08-31 |
| 4295114 |
Thermo-switch |
— |
1981-10-13 |
| 4290481 |
Electronic thermostatic control for a heat/cool room air conditioning system |
— |
1981-09-22 |
| 4287939 |
Air conditioning control system with local and remote control capabilities |
Arthur L. Burns |
1981-09-08 |
| 4215554 |
Frost control system |
— |
1980-08-05 |
| 4200829 |
Circuit for protecting induction motors |
— |
1980-04-29 |
| 4196462 |
Protective control circuit for induction motors |
— |
1980-04-01 |
| 4184342 |
Variable restrictor for a refrigeration system |
— |
1980-01-22 |
