Patents by Inventor Olay Hofseth

Olay Hofseth 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 for controlling the vacuum generator(s) in a vacuum sewage system
    Patent number: 9932114
    Abstract: Method for controlling one or more vacuum generators (1) and thereby the vacuum in a vacuum sewage system, in particular controlling one or more liquid ring screw pumps in such system, including beyond the generator/s (1) one or more tubular collectors or suction pipelines (2) connected to the vacuum generator and one or more toilets, urinals, grey water sinks etc (3, 4), connected to the suction pipeline through branch pipelines (6). The rotational speed of the vacuum generator (1) is controlled on the basis of the set vacuum requirement.
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: April 3, 2018
    Assignee: Jets AS
    Inventors: Olay Hofseth, Eimund Øvsthus
  • Method for Controlling the Vacuum Generator(s) in a Vacuum Sewage System
    Publication number: 20110129355
    Abstract: Method for controlling one or more vacuum generators (1) and thereby the vacuum in a vacuum sewage system, in particular controlling one or more liquid ring screw pumps in such system, including beyond the generator/s (1) one or more tubular collectors or suction pipelines (2) connected to the vacuum generator and one or more toilets, urinals, grey water sinks etc (3, 4), connected to the suction pipeline through branch pipelines (6). The rotational speed of the vacuum generator (1) is controlled on the basis of the set vacuum requirement.
    Type: Application
    Filed: July 8, 2009
    Publication date: June 2, 2011
    Applicant: JETS AS
    Inventors: Olay Hofseth, Eimund Øvsthus