Patents by Inventor Sven Evald Eriksson

Sven Evald Eriksson 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).

  • Method and device for draining oil from the gear case of a compressor
    Patent number: 4080119
    Abstract: A method and a device for draining oil from the gear case of an oil-injected rotary compressor is disclosed in which a pressure is taken out from the compressor to pressurize the gear case so as to drive the oil, against the action of gravity, to a low pressure area of the compressor.
    Type: Grant
    Filed: December 17, 1976
    Date of Patent: March 21, 1978
    Inventor: Sven Evald Eriksson