Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5312296 | False-ceiling construction and method for the flow of air in connection with a false-ceiling construction | Teuvo Pellinen, Pekka Kyllonen | 1994-05-17 |
| 5220910 | Device and method for ventilation | Teuvo Pellinen, Pekka Kyllonen | 1993-06-22 |
| 5133689 | Focussed ventilation procedure of a work spot and a focussed ventilation means | Teuvo Pellinen, Jouko Eloranta | 1992-07-28 |
| 5074198 | Focussed ventilation procedure for a work spot and apparatus used in the procedure | Teuvo Pellinen, Jouko Eloranta, Tapio Alapuranen | 1991-12-24 |
| 5071065 | Procedure for controlling and maintaining air currents or equivalent in an air-conditioning installation, and an air-conditioning system according to said procedure | Timo Mattila, Mertsi Niemela, Pertti Rantanen | 1991-12-10 |
| 5063834 | Focussed ventilation procedure and focussed ventilation means | Teuvo Pellinen, Jouko Eloranta | 1991-11-12 |
| 4903894 | Ventilation control procedure and ventilation control means | Teuvo Pellinen, Mertsi Niemela | 1990-02-27 |
| 4890544 | Air distribution system | Teuvo Pellinen, Jouko Eloranta | 1990-01-02 |
| 4872892 | Air purifier | Seppo Vartiainen | 1989-10-10 |
| 4811724 | Air exhausting means | Kaarlo J. Korhonen, Jorma Pekkinen, Esa Sundberg, Arvi Tolmunen, Seppo Vartiainen +1 more | 1989-03-14 |
| 4697607 | Procedure and means for making the effect of gravity the same in flow regulators independent of the installation mode | Veikko Yla-Hemmila | 1987-10-06 |
| 4694851 | Flow regulator and its use | Veikko Yla-Hemmila | 1987-09-22 |
| 4678005 | Flow regulator | Veikko Yla-Hemmila | 1987-07-07 |
| 4674531 | Flow regulator | Veikko Yla-Hemmila, Reijo Villikka | 1987-06-23 |
| 4627498 | Fuse design for fire limiters or other safety appliances in ventilation installations | Harri Saukkonen, Juhani Hasa | 1986-12-09 |
| 4625626 | Control/fire damper for ducts inventilation installations | Arvo Aalto, Juhani Hasa, Markku Penttila, Harri Saukkonen, Arvi Tolmunen | 1986-12-02 |