Patents by Inventor Leif Holmberg

Leif Holmberg has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus for establishing contact between a liquid and a gas
    Patent number: 4028244
    Abstract: An apparatus for establishing contact between a liquid and a gas comprising a cylindrical container which is arranged to rotate about its axis and has at least the circumferential wall perforated so that the liquid and the gas can flow therethrough, and which is packed with filling bodies.
    Type: Grant
    Filed: October 10, 1975
    Date of Patent: June 7, 1977
    Assignee: European Plastic Machinery Mfg. A/S
    Inventor: Leif Holmberg
  • Apparatus for establishing contact between a liquid and a gas
    Patent number: 3956127
    Abstract: An apparatus for establishing contact between a liquid and a gas comprising a cylindrical container which is arranged to rotate about its axis and has at least the circumferential wall perforated so that the liquid and the gas can flow therethrough, and which is packed with filling bodies.
    Type: Grant
    Filed: August 5, 1974
    Date of Patent: May 11, 1976
    Assignee: European Plastic Machinery MFG A/S
    Inventor: Leif Holmberg