Patents by Inventor Petter Frejinger

Petter Frejinger 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).

  • Module system for manufacturing two and three stable positions fluid-operated actuators
    Patent number: 8312618
    Abstract: In a module system for manufacturing variants of two and three stable positions fluid-operated actuators a cylinder housing of both variants of two and three stable positions actuators is manufactured from a blank. The blank includes at least one opening for a cover and is identical for the variants of the two and three stable position actuator, and is at least prepared for the arrangement of a first pressure duct, a second pressure duct, and a first cylinder diameter of the cylinder housing.
    Type: Grant
    Filed: November 22, 2006
    Date of Patent: November 20, 2012
    Assignee: Volvo Lastvagnar AB
    Inventors: Anders Hedman, Petter Frejinger
  • MODULE SYSTEM FOR MANUFACTURING TWO AND THREE STABLE POSITIONS FLUID-OPERATED ACTUATORS
    Publication number: 20100024205
    Abstract: In a module system for manufacturing variants of two and three stable positions fluid-operated actuators a cylinder housing of both variants of two and three stable positions actuators are manufactured from a blank, including at least one opening for the cover and being identical for the variants of said two and three stable position actuator, and being at least prepared for the arrangement of: a first pressure duct, a second pressure duct, and a first cylinder diameter of the cylinder housing, thus decreasing manufacturing costs.
    Type: Application
    Filed: November 22, 2006
    Publication date: February 4, 2010
    Applicant: VOLVO LASTVAGNAR AB
    Inventors: Anders Hedman, Petter Frejinger