Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10677219 | Control system in a converter and a method of operating a converter | Peter Muszynski, Kalle Huju, Antti Vilhunen, Antti Virta | 2020-06-09 |
| 9715478 | Method for detecting the correct rotational direction of a centrifugal apparatus, and a centrifugal apparatus assembly | Tero Ahonen, Jero Ahola, Markku Niemelä | 2017-07-25 |
| 9587640 | Method for improving sensorless flow rate estimation accuracy of pump driven with frequency converter | Tero Ahonen, Jero Ahola | 2017-03-07 |
| 9568921 | Method for approximating a static head of a fluid transfer system | Jero Ahola, Tero Ahonen | 2017-02-14 |
| 9416787 | Method and arrangement for estimating flow rate of pump | Tero Ahonen, Jero Ahola | 2016-08-16 |
| 9382903 | Method and apparatus for optimizing energy efficiency of pumping system | Jero Ahola, Tero Ahonen | 2016-07-05 |
| 9347452 | Stall detection in fans utilizing frequency converter | Tero Ahonen, Jero Ahola | 2016-05-24 |
| 9298192 | Method for tuning a ventilation system | Jero Ahola, Tero Ahonen, Simo Hammo | 2016-03-29 |
| 9200995 | Method and apparatus for monitoring air filter condition | Jero Ahola, Tero Ahonen | 2015-12-01 |
| 9181954 | Method in connection with a pump driven with a frequency converter and frequency converter | Tero Ahonen, Jero Ahola | 2015-11-10 |
| 9091259 | Method and controller for operating a pump system | Juha Viholainen | 2015-07-28 |
| 9027398 | Method of detecting wear in a pump driven with a frequency converter | Tero Ahonen, Jero Ahola | 2015-05-12 |
| 9021876 | Method and apparatus for determining change in mass of fan impeller | Tero Ahonen, Jero Ahola, Markku Niemelä | 2015-05-05 |