Vasteras
Sweden
9
2008-12-09
The entities that hold a legal rights for patent applications filed by inventor Hellgren Keijo:
Keijo Hellgren from Vasteras, SE has applied for patents for these inventions. The list has both pending applications and granted patents:
Press plant and a method and use for it with a pressure cell and a divisible tray
#2 | 2006-12-19Hydraulic press with a pressure cell and a method and use for it, whose press body consists of prestressed lamellas
#3 | 2006-10-31Diaphragm support and a method for initial sealing in a pressure cell
#4 | 2006-08-31Method of exchanging a diaphragm device
#5 | 2006-08-29High pressure press, method for operating a high pressure press and use of such a press
#6 | 2006-06-15Pressure cell press comprising a tray, and a method for manufacturing said tray
#7 | 2006-06-08Fluid cell press with a gripping arrangement and method and use of the press
#8 | 2006-04-27Forming tool
#9 | 2006-04-13Device and method for expansion forming
4604694 ⎘