Patents by Inventor David B. Mortimer

David B. Mortimer 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).

  • Acoustical enclosure system
    Patent number: 4356884
    Abstract: An acoustical enclosure system, particularly designed for overtable circular saws employed in cutting such materials as metal shapes, is disclosed. The system includes an acoustical enclosure covering the saw and a pair of vibration damping arms covering the workpiece being sawed. This combination of elements results in substantially reduced noise levels within the sawing environment.
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: November 2, 1982
    Assignee: Reynolds Metals Company
    Inventor: David B. Mortimer