Patent | Date |
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Method for detecting the correct rotational direction of a centrifugal apparatus, and a centrifugal apparatus assembly Grant 9,715,478 - Tamminen , et al. July 25, 2 | 2017-07-25 |
Method for improving sensorless flow rate estimation accuracy of pump driven with frequency converter Grant 9,587,640 - Ahonen , et al. March 7, 2 | 2017-03-07 |
Method for approximating a static head of a fluid transfer system Grant 9,568,921 - Ahola , et al. February 14, 2 | 2017-02-14 |
Method and arrangement for estimating flow rate of pump Grant 9,416,787 - Tamminen , et al. August 16, 2 | 2016-08-16 |
Method and apparatus for optimizing energy efficiency of pumping system Grant 9,382,903 - Ahola , et al. July 5, 2 | 2016-07-05 |
Stall detection in fans utilizing frequency converter Grant 9,347,452 - Tamminen , et al. May 24, 2 | 2016-05-24 |
Method for tuning a ventilation system Grant 9,298,192 - Tamminen , et al. March 29, 2 | 2016-03-29 |
Method and apparatus for monitoring air filter condition Grant 9,200,995 - Ahola , et al. December 1, 2 | 2015-12-01 |
Method in connection with a pump driven with a frequency converter and frequency converter Grant 9,181,954 - Ahonen , et al. November 10, 2 | 2015-11-10 |
Method of detecting wear in a pump driven with a frequency converter Grant 9,027,398 - Ahonen , et al. May 12, 2 | 2015-05-12 |
Method and apparatus for determining change in mass of fan impeller Grant 9,021,876 - Tamminen , et al. May 5, 2 | 2015-05-05 |
Pumping System Control App 20150086382 - TAMMINEN; Jussi ;   et al. | 2015-03-26 |
Method For Approximating A Static Head Of A Fluid Transfer System App 20140136000 - AHOLA; Jero ;   et al. | 2014-05-15 |
Method For Tuning A Ventilation System App 20130297079 - TAMMINEN; Jussi ;   et al. | 2013-11-07 |
Method And Apparatus For Monitoring Air Filter Condition App 20130197826 - AHOLA; Jero ;   et al. | 2013-08-01 |
Method For Detecting The Correct Rotational Direction Of A Centrifugal Apparatus, And A Centrifugal Apparatus Assembly App 20130185002 - TAMMINEN; Jussi ;   et al. | 2013-07-18 |
Method And Apparatus For Optimizing Energy Efficiency Of Pumping System App 20130164146 - AHOLA; Jero ;   et al. | 2013-06-27 |
Method For Detecting The Correct Rotational Direction Of A Centrifugal Apparatus, And A Centrifugal Apparatus Assembly App 20130129481 - TAMMINEN; Jussi ;   et al. | 2013-05-23 |
Method And Apparatus For Determining Change In Mass Of Fan Impeller App 20130047724 - TAMMINEN; Jussi ;   et al. | 2013-02-28 |
Method Of Detecting Wear In A Pump Driven With A Frequency Converter App 20120247200 - Ahonen; Tero ;   et al. | 2012-10-04 |
Stall Detection In Fans Utilizing Frequency Converter App 20120253700 - TAMMINEN; Jussi ;   et al. | 2012-10-04 |
Method And Arrangement For Estimating Flow Rate Of Pump App 20120251292 - TAMMINEN; Jussi ;   et al. | 2012-10-04 |
Method For Improving Sensorless Flow Rate Estimation Accuracy Of Pump Driven With Frequency Converter App 20120251340 - AHONEN; Tero ;   et al. | 2012-10-04 |
Method In Connection With A Pump Driven With A Frequency Converter And Frequency Converter App 20110200454 - AHONEN; Tero ;   et al. | 2011-08-18 |
Method And System For Detecting Cavitation Of Pump And Frequency Converter App 20100143157 - AHONEN; Tero ;   et al. | 2010-06-10 |