Patents Assigned to Messer Grieshiem GmbH
  • Process and device for autogenous cutting with liquid oxygen
    Patent number: 4995918
    Abstract: In autogenous cutting oxygen in liquid form is put under high pressure and flows to the cutting site through a liquid jet cutting nozzle. An increase in the cutting speed and in the cutting quality level is achieved in that the super-cooled liquid oxygen jet emerging from the nozzle has a temperature that is below the boiling temperature of the oxygen at ambient pressure.
    Type: Grant
    Filed: July 31, 1989
    Date of Patent: February 26, 1991
    Assignee: Messer Grieshiem GmbH
    Inventor: Paul Grohmann
  • Process for control or regulation of analog electrical machines
    Patent number: 4149236
    Abstract: A process for controlling or regulating analog machine elements utilizing electronic switches as the adjusting element is characterized by the on-off switching signals for the electronic switches being obtained in a digital computer in the form of digital signals which are then conducted directly to the electronic switch.
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: April 10, 1979
    Assignee: Messer Grieshiem GmbH
    Inventor: Klaus Halbauer