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