Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5729988 | Heat pump energized by low-grade heat source | — | 1998-03-24 |
| 5251458 | Process and apparatus for reducing the air cooling and water removal requirements of deep-level mines | — | 1993-10-12 |
| 5237827 | Apparatus for cyclic production of thermal energy by plural adsorption stations and methods | — | 1993-08-24 |
| 5089159 | Magnetic substance having sharp permeability transition temperature, process for making, and apparatus | — | 1992-02-18 |
| 4637218 | Heat pump energized by low-grade heat source | — | 1987-01-20 |
| 4584842 | Solar refrigeration | — | 1986-04-29 |
| 4556049 | Integrated solar collector | — | 1985-12-03 |
| 4490268 | Process of preparing magnetic spinel ferrite having accurate predetermined transition temperature | — | 1984-12-25 |
| 4208911 | Magnetic substance having sharp permeability transition temperature, process for making, and apparatus | — | 1980-06-24 |