KH

Keijo Hellgren

AA Avure Technologies Ab: 8 patents #1 of 10Top 10%
FL Flow Holdings Gmbh (Sagl) Limited Liability: 4 patents #2 of 7Top 30%
AA Asea Ab: 2 patents #9 of 81Top 15%
AA Asea Aktiebolag: 2 patents #52 of 307Top 20%
AS Asea Brown Boveri, S.A.: 1 patents #358 of 1,048Top 35%
Overall (All Time): #278,946 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7509827 Device and method for expansion forming 2009-03-31
7461531 Press plant and a method and use for it with a pressure cell and a divisible tray 2008-12-09
7320211 Method of exchanging a diaphragm device 2008-01-22
7155948 Forming tool 2007-01-02
7155949 Fluid cell press with a gripping arrangement and method and use of the press 2007-01-02
7150177 Hydraulic press with a pressure cell and a method and use for it, whose press body consists of prestressed lamellas 2006-12-19
7150171 Pressure cell press comprising a tray, and a method for manufacturing said tray 2006-12-19
7127925 Diaphragm support and a method for initial sealing in a pressure cell 2006-10-31
7096774 High pressure press, method for operating a high pressure press and use of such a press 2006-08-29
6439018 Device and method for expansion forming Lennart Svensson 2002-08-27
6183812 Method for treatment of wood 2001-02-06
6178796 Device and method for shaping flat articles 2001-01-30
6053224 Device for pressure treatment of wood Tom Johannisson 2000-04-25
4711111 Forming press mat utilizes trays formed of thin bottom plates and separate annular frames 1987-12-08
4693103 Forming press of the pressure cell type and a process for changing diaphrams in such a press 1987-09-15
4676086 Press of pressure cell type 1987-06-30
4658618 Forming press of the pressure cell type 1987-04-21