Patents by Inventor Donald R. Lloyd

Donald R. Lloyd 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: 4027537
    Abstract: Apparatus for sampling fibers which is simplified over previous apparatus for like purpose. A part of the fiber collecting chamber is movable to form a valve for admitting or excluding cotton; a part of the collecting chamber acts as dogs to hold the cotton in the sample chamber with each stroke of a platen; each stroke of the platen cleans the side walls of the collecting chamber; and means is provided for packaging the sample. The apparatus lends itself to automation so that it will collect a sample and eject and package the same after a predetermined number of strokes of the platen.
    Type: Grant
    Filed: June 21, 1976
    Date of Patent: June 7, 1977
    Assignee: Lummus Industries, Inc.
    Inventors: Donald W. Van Doorn, Donald R. Lloyd