Patents by Inventor Michael J. Knudsen

Michael J. Knudsen 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).

  • Protective shield for stove
    Patent number: 4964393
    Abstract: A shield attachable to a cooking stove to prevent small children from reaching surface burner units or hot cooking containers on the stove top surface. The shield includes an upstanding panel spaced forwardly from the stove and two horizontal plates extending from the lower edge of the panel into a door clearance space along the upper edge of an oven access opening. Screws can be extended through slots in these horizontal plates to rigidly mount the protective shield on the stove.
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: October 23, 1990
    Inventor: Michael J. Knudsen
  • Control network for a rapid connection circuit switch
    Patent number: 4894824
    Abstract: A high capacity metropolitan area network (MAN) is described. Data traffic from users is connected to data concentrators at the edge of the network, and is transmitted over fiber optic data links to a hub where the data is switched. The hub includes a plurality of data switching modules, each having a control means, and each connected to a distributed control space division switch. Advantageously, the data switching modules, whose inputs are connected to the concentrators, perform all checking and routing functions, while the 1024.times.1024 maximum size space division switch, whose outputs are connected to the concentrators, provides a large fan-out distribution network for reaching many concentrators from each data switching module.
    Type: Grant
    Filed: March 31, 1988
    Date of Patent: January 16, 1990
    Assignee: American Telephone and Telegraph Company, AT&T Bell Laboratories
    Inventors: Jayant G. Hemmady, Michael J. Knudsen, Robert K. Nichols, Gaylord W. Richards, Gary A. Roediger
  • Arrangement for switching concentrated telecommunications packet traffic
    Patent number: 4893302
    Abstract: A high capacity metropolitan area network (MAN) is described. Data traffic from users is connected to data concentrators at the edge of the network, and is transmitted over fiber optic data links to a hub where the data is switched. The hub includes a plurality of data switching modules, each having a control means, and each connected to a distributed control space division switch. Advantageously, the data switching modules, whose inputs are connected to the concentrators, perform all checking and routing functions, while the 1024.times.1024 maximum size space division switch, whose outputs are connected to the concentrators, provides a large fan-out distribution network for reaching many concentrators from each data switching module.
    Type: Grant
    Filed: March 31, 1988
    Date of Patent: January 9, 1990
    Assignee: American Telephone and Telegraph Company, AT&T Bell Laboratories
    Inventors: Jayant G. Hemmady, Michael J. Knudsen, William P. Lidinsky, Robert K. Nichols, Gaylord W. Richards, Gary A. Roediger, Scott B. Steele, Ronald C. Weddige, Bruce R. Zelle