| 9695664 |
High pressure proppant blending system for a compressed gas fracturing system |
Andres Rodela, Blake C. Burnette, D. V. Satyanarayana Gupta, Gaurav Agrawal |
2017-07-04 |
| 4662184 |
Single-sensor head pump defrost control system |
Walter J. Pohl, Frederick Hicks |
1987-05-05 |
| 4586347 |
Intermediate temperature storage chamber |
— |
1986-05-06 |
| 4445343 |
Sonic restrictor means for a heat pump system |
— |
1984-05-01 |
| 4439995 |
Air conditioning heat pump system having an initial frost monitoring control means |
— |
1984-04-03 |
| 4429544 |
Refrigerant storage system for a heat pump |
— |
1984-02-07 |
| 4359874 |
Refrigeration system modulating means |
— |
1982-11-23 |
| 4359876 |
Room air conditioner sensor application |
— |
1982-11-23 |
| 4346565 |
Gravity defrost |
— |
1982-08-31 |
| 4346566 |
Refrigeration system gravity defrost |
Walter J. Pohl, Russell L. McCreary |
1982-08-31 |
| 4297854 |
Air valve heat pump |
Bruce L. Ruark |
1981-11-03 |
| 4297855 |
Air valve heat pump |
Bruce L. Ruark |
1981-11-03 |
| 4285210 |
Self-contained heating and cooling apparatus |
— |
1981-08-25 |