Patents by Inventor David LeRoy Tate

David LeRoy Tate 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: 6000152
    Abstract: A culvert cleaning apparatus of use with earth moving machinery having a bucket, such as a backhoe or trackhoe. The apparatus has an attachment assembly for connection to the machinery's bucket with an arm extending therefrom for securing a scoop. Extensions between the attachment assembly and the scoop are provided when extended reach is desired. The machine may be used to push the scoop into a culvert and scoop out material clogging the culvert.
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: December 14, 1999
    Inventor: David LeRoy Tate