Patents Assigned to Wilfred O. Schmidt
  • Multi purpose three pass drum dryer
    Patent number: 4477984
    Abstract: A multi purpose three pass drum dryer comprised of two independent and intermeshed systems utilizing an air circulation flowing contrary to the progression of the material through the dryer.
    Type: Grant
    Filed: October 30, 1980
    Date of Patent: October 23, 1984
    Assignee: Wilfred O. Schmidt
    Inventor: Harvey Wenger
  • Bagger
    Patent number: 4235064
    Abstract: A bagger for automatically forming and sealing a plurality of bags of predetermined size and filled by a predetermined weight of content from a single, continuous plastic sheet.
    Type: Grant
    Filed: February 27, 1978
    Date of Patent: November 25, 1980
    Assignee: Wilfred O. Schmidt
    Inventor: Harvey M. Wenger