Patents by Inventor William R. Brough

William R. Brough 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: 4638440
    Abstract: In a feeding and data entry system for a lumber trimmer, the data entry zone is located upstream and substantially adjacent a lug loader. An operator reads the grader's marks when each incoming board is stopped and inputs the data into a programmable logic controller having a first-in, first-out memory unit. Once the data is input, the respective board is loaded into the next set of lugs on the lug chain and travels through the trimmer. The controller causes the correct saws to move into the path of the board to make the proper cuts. The controller then directs the trimmed board to its proper sort location.
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: January 20, 1987
    Assignee: Weyerhaeuser Company
    Inventors: William R. Brough, James C. Borgen