Esa Virtanen — 14 Patents at Google

Esa Virtanen has been granted 14 US patents while listed as an inventor at Google. The first was granted in 1994 and the most recent in September 2024. Esa Virtanen ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Esa Virtanen in Vaasa, FI.

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Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12087486	Static electrical device assembly comprising heat exchanger system	Heli Ojalammi, Katja Oinas	2024-09-10
11705274	Arrangement for overvoltage protection of subsea electrical apparatus	Heinz Lendenmann, Kim Missing, Thomas Wagner	2023-07-18
10244650	Pressure compensated subsea electrical system	Tor Laneryd, Thomas Gradinger, Heinz Lendenmann, Thomas Wagner, Timo Koivuluoma	2019-03-26	$2,012,000
10041507	Subsea pressure compensation arrangement	Markku Launonen, Erkki Hiironniemi	2018-08-07	$911,000
9759241	Pressure compensator	Kim Missing	2017-09-12	$1,185,000
8549924	Pressure compensator	Thorvald Haldin, Kim Missing	2013-10-08	$1,794,000
7141141	Apparatus and method for determination and control of paper web qualities on a papermaking machine	Pekka Koskinen, Ilpo Pitkäniemi, Jari Ristola	2006-11-28
6479780	Circuit breaker for disconnecting an electrical apparatus from electrical network	Tapani Tiitola, Vesa Virtanen	2002-11-12	$397,000
6456179	Transformer	Johan Backa, Karl Engman, Torvald Haldin	2002-09-24
5585038	Conductive plastics material and a method for its preparation	Pauli Kirmanen, Esko Savolainen, Toivo K arn a, Jukka Laakso, Heikki Ruohonen +3 more	1996-12-17
5585040	Conductive plastics material and a method for its preparation	Pauli Kirmanen, Esko Savolainen, Toivo Karna, Jukka Laakso, Heikki Ruohonen +3 more	1996-12-17
5531932	Metal compound/protonic acid containing electrically conductive compositions and methods for their preparation	Toivo Karna, Jukka Laakso, Timo Niemi, Heikki Ruohonen, Esko Savolainen +2 more	1996-07-02
5507977	Conducting plastic material and method of producing such material	Kimmo Vakiparta	1996-04-16
5340499	Electrically conductive compositions and methods for their preparation	Toivo Karna, Jukka Laakso, Timo Niemi, Heikki Ruohonen, Esko Savolainen +3 more	1994-08-23

Esa Virtanen — 14 Patents

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