![]() |
1930 |
Foundation of the company by Friedrich Uhde. Fabrication of high-pressure valves for ammonia synthesis in the workshop of a mine near Dortmund |
1933 |
Foundation of Hagen factory. Patenting of the Uhde-Bredtschneider vessel closure |
1950 |
Development of glandless stirrer drives |
1955 |
Construction of the first tubular reactors for the fabrication of polyethylene at 1600 bar first and at 3200 bar later on |
1956 |
Fabrication of valves for the urea process |
1960 |
Introduction of autofrettage at pressures up to 16 000 bar in order to extend the service life of high-pressure components |
1978 |
Development of jet-cutting systems for cutting at 3500 bar first |
1980 |
Construction of turnkey plants for the extraction of substances from natural feedstock by means of supercritical gases at pressures up to 1000 bar |
1986 |
Participation in the Ariane space programme by means of cryogenic high-pressure valves for hydrogen and oxygen |
1991 |
Development of the clamp closure for quick opening of high-pressure vessels |
1994 |
Construction of the first unit for the pasteurisation of foodstuffs at pressures up to 10 000 bar |
1995 |
Development of a non-polluting high-pressure plant for effluent-free dyeing of textiles |
2001 |
First applications of high-pressure technology in the 300 mm wafer technology under cleanroom conditions |
2002 |
Construction and commissioning of a cGMP pharmaceutical plant under high-pressure conditions |
2003 |
First industrial-scale jet-cutting unit in the world at 6000 bar operating pressure |
2005 |
Construction of the biggest LDPE unit in the world: 400 000 tons/year at 3500 bar |
2008 |
Commissioning of first industrial SFE plant for de-oiling of raw lecithin |
2009 |
Market launch of the newest pump series HPS / HPD for waterjet cutting |



