Patents by Inventor Ray S. Gundersen

Ray S. Gundersen 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).

  • Drive control arrangement for swing arm material sampler
    Patent number: 4326425
    Abstract: A drive control arrangement for a material sampling apparatus in which the sampling bucket is operatively carried on a swing arm for movement through a stream of material when in the now sampling position and in a reverse direction back through the stream in a sample cutting position so that the sample can be dumped and directed to processing apparatus ancillary to the sampling apparatus. The apparatus is placed under the drive control arrangement for hydraulic and electrical systems which control the sequence of movements of the swing arm and the sampling bucket and the directing of the sample when dumped from the bucket.
    Type: Grant
    Filed: October 8, 1980
    Date of Patent: April 27, 1982
    Assignee: Sverdrup & Parcel and Associates, Inc.
    Inventors: Ray S. Gundersen, Ronald J. Colledge, Roy H. Jenkins, Michael Crook