Patents by Inventor Rikard O. Lindstrom

Rikard O. Lindstrom 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).

  • Methods for mechanically dewatering peat
    Patent number: 4316331
    Abstract: Wet peat is dewatered mechanically by conditioning a peat slurry in a decanter centrifuge producing an effluent containing peat particles, and a peat sludge. The sludge thereafter is subjected to a mechanical pressing operation.
    Type: Grant
    Filed: November 21, 1978
    Date of Patent: February 23, 1982
    Inventors: Olle B. Lindstrom, Rikard O. Lindstrom