Patents by Inventor Thomas Leon Jenkins

Thomas Leon Jenkins 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).

  • Air flotation and locking material handling apparatus and method of use
    Patent number: 6309289
    Abstract: A materials handling apparatus and method utilizing flotation pads to inject a thin fluid film to produce a near frictionless surface for easily positioning and finishing foundry castings. The present invention further relates to a material handling apparatus and method utilizing a vacuum lock to serve as a vice for securing foundry castings or other work pieces during finishing stages. The invention further incorporates an apparatus and method for protecting the vacuum lock components from damage or interference with material movement during positioning.
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: October 30, 2001
    Inventors: Ben A. Dugger, Thomas Leon Jenkins