ER

Erkki Rajala

AR Abb Research: 3 patents #222 of 1,276Top 20%
AA Abb Technology Ag: 3 patents #64 of 306Top 25%
📍 Vaasa, FI: #22 of 260 inventorsTop 9%
Overall (All Time): #752,705 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D571303 Motorized change-over switch Timo Jokiniemi, Mikael Nåhls, BaiQin Liang, JinRui Cao 2008-06-17
7365622 Switching device combination for capacitive loads connected to direct voltage Risto Kajan, Mikael N{dot over (a)}hls, Simo Poyhonen, Martti Varpela, Markku Talja 2008-04-29
6628485 Apparatus for limiting an electrical current Ralf Strumpler, Joachim Glatz-Reichenbach, Timo Jokiniemi 2003-09-30
6555984 Arrangement and method for an electric machine Erkki Leskelä, Arto Olavi Makkonen, Jouni Ikäheimo 2003-04-29
6492799 Monitor circuit for a current limiting device Ralf Strumpler, Timo Jokiniemi 2002-12-10
6259349 Electrical component with a constriction in a PTC polymer element Ralf Strumpler, Joachim Glatz-Reichenbach, Jorgen Skindhoj 2001-07-10
5424900 Electronic auxiliary contact for a contactor Esko Kiiskinen, Petri Solanti 1995-06-13