Patents by Inventor David Townend

David Townend 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).

  • Counter-balance weight for a modular safety rail
    Patent number: 7093322
    Abstract: A counter-balance weight for a modular safety rail comprises a substantially solid body which defines a passage to receive an end of an elongate spacer member, a recess region to house a retainer of a kind selectively securable to the elongate spacer member, an access opening for access to the retainer, and a retainer abutment to inhibit movement of the retainer in an axial direction which is parallel with the length direction of the elongate member.
    Type: Grant
    Filed: June 4, 2004
    Date of Patent: August 22, 2006
    Assignee: Access Technologies Limited
    Inventor: David Townend
  • Counter-balance weight for a modular safety rail
    Publication number: 20050000060
    Abstract: A counter-balance weight for a modular safety rail comprises a substantially solid body which defines a passage to receive an end of an elongate spacer member, a recess region to house a retainer of a kind selectively securable to the elongate spacer member, an access opening for access to the retainer, and a retainer abutment to inhibit movement of the retainer in an axial direction which is parallel with the length direction of the elongate member.
    Type: Application
    Filed: June 4, 2004
    Publication date: January 6, 2005
    Applicant: ACCESS TECHNOLOGIES LIMITED
    Inventor: David Townend