IP Library › Assignment 028170/0145
Patent Assignment
Reel/Frame 028170/0145

Assignment of Assignor's Interest

Recorded: 2012-05-08 Pages: 3
Assignors
AHONEN, TERO
Executed: 2012-03-12
AHOLA, JERO
Executed: 2012-03-12
TAMMINEN, JUSSI
Executed: 2012-03-06
Assignee
ABB OY
STROMBERGINTIE 1, HELSINKI, FI-00380, FINLAND
Covered Property (1)
Method for Improving Sensorless Flow Rate Estimation Accuracy of Pump Driven with Frequency Converter
Patent: 9,587,640 →
Application: 13/408,823 →
Publication: US 2012/0251340
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 9, 2016
From: ABB OY
To: ABB TECHNOLOGY OY
Reel/Frame 040261/0637 →
Assignment of Assignor's Interest Aug 28, 2018
From: ABB TECHNOLOGY OY
To: ABB SCHWEIZ AG
Reel/Frame 046957/0780 →