Patents by Inventor Gordon E. R. Wright

Gordon E. R. Wright 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).

  • Tendons for post-tensioned pre-stressed concrete structures
    Patent number: 4631883
    Abstract: A tendon for post-tensioned pre-stressed concrete structures in which between the strand and sheath there is provided, in quiescent condition, a latent hardenable material and an activator therefor so that when the strand is tensioned the activator is activated to commence the hardening process of the hardenable material and produce a bonded tendon.
    Type: Grant
    Filed: May 17, 1984
    Date of Patent: December 30, 1986
    Assignee: PSC Freyssinet Limited
    Inventors: Alan J. Harris, Gordon E. R. Wright