| 12359828 |
Low charge packaged ammonia refrigeration system with evaporative condenser |
Kurt Liebendorfer, Trevor Hegg, Sarah L. Ferrari, Don Hamilton, Nicholas Hesser +1 more |
2025-07-15 |
| 11885513 |
Low charge packaged ammonia refrigeration system with evaporative condenser |
Kurt Liebendorfer, Trevor Hegg, Sarah L. Ferrari, Don Hamilton, Nicholas Hesser +1 more |
2024-01-30 |
| 11359844 |
Low charge packaged refrigeration systems |
Kurt Liebendorfer, Trevor Hegg |
2022-06-14 |
| 11035594 |
Low charge packaged ammonia refrigeration system with evaporative condenser |
Kurt Liebendorfer, Trevor Hegg, Sarah L. Ferrari, Don Hamilton, Nicholas Hesser +1 more |
2021-06-15 |
| 10520232 |
Low charge packaged refrigeration systems |
Kurt Liebendorfer, Trevor Hegg |
2019-12-31 |
| 9746219 |
Low charge packaged refrigeration system |
Kurt Liebendorfer, Trevor Hegg |
2017-08-29 |
| 7475719 |
High-frequency, low-amplitude corrugated fin for a heat exchanger coil assembly |
Richard P. Merrill, George R. Shriver |
2009-01-13 |
| 6889759 |
Fin for heat exchanger coil assembly |
— |
2005-05-10 |
| 6138464 |
Defrost control for space cooling system |
James A. Kitchen, Ira Z. Richter |
2000-10-31 |
| 5970726 |
Defrost control for space cooling system |
James A. Kitchen, Ira Z. Richter |
1999-10-26 |
| 5584340 |
Heat exchanger with flexible tube support |
— |
1996-12-17 |
| 5551248 |
Control apparatus for space cooling system |
— |
1996-09-03 |
| 4399664 |
Heat pump water heater circuit |
— |
1983-08-23 |
| 4299098 |
Refrigeration circuit for heat pump water heater and control therefor |
— |
1981-11-10 |