Patents by Inventor L. T. Robinson

L. T. Robinson 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: 4176013
    Abstract: Assembly for providing a seal between sealing surfaces on a coke oven door and the associated door jamb includes a high temperature-resistant and resilient seal body extending around the entire periphery of the door and secured between retaining members. A steel bearing strip is disposed beneath the seal body between the retaining members and is engaged at spaced-apart points therealong by a plurality of setscrews threadedly engaged through complementary openings in the door for pushing the bearing strip against the seal body and varying the pressure with which it engages the sealing surface on the door jamb.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: November 27, 1979
    Assignee: Interlake, Inc.
    Inventors: Donald R. Garthus, L. T. Robinson