Patents by Inventor Donald G. Ramsey

Donald G. Ramsey 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: 5113885
    Abstract: An improvement in a pipe cleaning apparatus for cleaning pipe lines of accumulated deposit utilizing high pressure fluid disbursing nozzles carried on a movable platform. The improvement is directed to the platform which has multiple guide and spacing elements allowing the cleaning apparatus to transverse arcuate curves within the pipe line while maintaining proper alignment of the fluid dispensing nozzles.
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: May 19, 1992
    Inventor: Donald G. Ramsey
  • Patent number: D259872
    Type: Grant
    Filed: September 18, 1978
    Date of Patent: July 14, 1981
    Inventor: Donald G. Ramsey