Patents by Inventor Wayne A. Dykstra

Wayne A. Dykstra 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).

  • Hatch cover security system
    Publication number: 20050110281
    Abstract: A hatch cover security system is described having two supports coupled to the structure, substantially diametrically opposite each other across the hatch opening. A restraining rail is adapted to be received by the supports and crosses the hatch cover. The restraining rail is adjustably coupled to the supports. The bar further includes a shield which covers a locking device.
    Type: Application
    Filed: November 10, 2004
    Publication date: May 26, 2005
    Inventor: Wayne Dykstra
  • Security cover for ventilation duct
    Patent number: 6805627
    Abstract: An apparatus for covering a vent that prevents material, either solid, liquid or gaseous from entering the vent. A plurality of baffles forms an annular space that provides a tortuous path for materials entering or leaving the vent. An alarm system may be added to the apparatus to alert/warn of tampering.
    Type: Grant
    Filed: November 22, 2002
    Date of Patent: October 19, 2004
    Assignee: ARC3 Corporation
    Inventors: Steven T. Marts, Wayne A. Dykstra
  • Security cover for ventilation duct
    Publication number: 20030104779
    Abstract: An apparatus for covering a vent that prevents material, either solid, liquid or gaseous from entering the vent. A plurality of baffles forms an annular space that provides a tortuous path for materials entering or leaving the vent. An alarm system may be added to the apparatus to alert/warn of tampering.
    Type: Application
    Filed: November 22, 2002
    Publication date: June 5, 2003
    Inventors: Steven T. Marts, Wayne A. Dykstra