Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7281498 | Compact high efficiency gas fired steam generator-humidifier | — | 2007-10-16 |
| 6397788 | Compact ultra high efficiency gas fired steam generator | — | 2002-06-04 |
| 6305612 | Compact gas fired humidifier | — | 2001-10-23 |
| 5772421 | Low nox burner | Shahrzad Rahbar, Henry A. Becker, Andrzej Sobiesiak | 1998-06-30 |
| 5645412 | Burner for low No.sub.x multistage combustion of fuel with preheated combustion air | — | 1997-07-08 |
| 5003961 | Apparatus for ultra high energy efficient heating, cooling and dehumidifying of air | — | 1991-04-02 |
| 4982575 | Apparatus and a method for ultra high energy efficient dehumidification and cooling of air | — | 1991-01-08 |
| 4952283 | Apparatus for ventilation, recovery of heat, dehumidification and cooling of air | — | 1990-08-28 |
| 4909307 | Regenerative bed heat exchanger | — | 1990-03-20 |
| 4834285 | Heating and ventilating system | — | 1989-05-30 |
| 4711097 | Apparatus for sorption dehumidification and cooling of moist air | — | 1987-12-08 |
| 4708000 | Apparatus for balanced heat recovery ventilation - heating - humidification - dehumidification - cooling and filtration of air | — | 1987-11-24 |
| 4421648 | Apparatus and a method for biological treatment of waste waters | — | 1983-12-20 |
| 4353800 | Method and an apparatus for biological treatment of waste waters | — | 1982-10-12 |
| 4200534 | Apparatus for renovation of sanitary waters | — | 1980-04-29 |
| 4190539 | Apparatus for on-site renovation of sanitary waters | — | 1980-02-26 |
| 4188289 | Process for purification of sanitary waters | — | 1980-02-12 |