Patents by Inventor David G. Houseman

David G. Houseman 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).

  • Patent number: 4664390
    Abstract: A weather seal device for providing a seal between a surface having longitudinal ridges and/or valleys and an elongate conduit extending therethrough, the device having an apertured base of resilient deformable material and a sleeve of resilient material integral with the base and projecting from one side. The base in use is superimposed on the surface and the elongated conduit extends through the aperture and through the sleeve. The base has a marginal edge portion to be positioned in use so that it extends in a direction inclined in the direction of the longitudinal ridges and/or valleys. The marginal edge portion is contoured along its length in a direction normal to the plane of the base, so that in a free state the length of the marginal edge portion measured along the contours is greater than the linear length.
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: May 12, 1987
    Assignee: John Deks Australia Pty. Ltd.
    Inventor: David G. Houseman
  • Patent number: 4570943
    Abstract: A flashing device for use on a building roof to seal about a pipe passing therethrough, comprising a sleeve of rubber or the like through which the pipe may pass with the upper end of the sleeve in sealing contact with the periphery of the pipe. A pair of rigid ring members are provided at the lower end of the sleeve, with a portion of the sleeve located between the ring members. The ring members being adapted to interlock together to compress the portion of the sleeve therebetween into sealing relation with a sheet material also located between the ring members.
    Type: Grant
    Filed: February 27, 1985
    Date of Patent: February 18, 1986
    Assignee: John Deks Australia Pty. Ltd
    Inventors: David G. Houseman, Gary J. Binding
  • Patent number: D269454
    Type: Grant
    Filed: January 27, 1981
    Date of Patent: June 21, 1983
    Assignee: John Deks Australia Pty., Ltd.
    Inventor: David G. Houseman