Patents by Inventor Denis R. Zwink

Denis R. Zwink 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).

  • Hospital bed and mattress having a retractable foot section
    Patent number: 7523515
    Abstract: A patient support is disclosed having an adjustable length deck and a mattress positionable on the deck. The mattress includes a foot portion having an adjustable length.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: April 28, 2009
    Assignee: Hill-Rom Services, Inc.
    Inventors: E. David Allen, Kenneth L. Kramer, Peter M. Wukusick, Eric R. Meyer, Gregory W. Branson, David J. Ulrich, James M. C. Thomas, Paul M. McDaniel, III, Denis R. Zwink
  • Hospital bed and mattress having a retractable foot section
    Patent number: 7000272
    Abstract: A patient support is disclosed having an adjustable length deck and a mattress positionable on the deck.
    Type: Grant
    Filed: February 3, 2004
    Date of Patent: February 21, 2006
    Assignee: Hill-Rom Services, Inc.
    Inventors: E. David Allen, Kenneth L. Kramer, Peter M. Wukusick, Eric R. Meyer, Gregory W. Branson, David J. Ulrich, James M. C. Thomas, Paul M. McDaniel, III, Denis R. Zwink
  • Hospital bed and matress having a retractable foot section
    Patent number: 6684427
    Abstract: A patient support is disclosed having an adjustable length deck and a mattress positionable on the deck.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: February 3, 2004
    Assignee: Hill-Rom Services, Inc.
    Inventors: E. David Allen, Kenneth L. Kramer, Peter M. Wukusick, Eric R. Meyer, Gregory W. Branson, David J. Ulrich, James M. C. Thomas, Paul M. McDaniel, III, Denis R. Zwink
  • Hospital bed and mattress having a retracting foot section
    Patent number: 6212714
    Abstract: A bed having a foot prop on an adjustable length deck foot section and a mattress with a length and thickness adjustable foot section and a thickness adjustable heel section. The adjustability of the deck and the mattress allows sizing of the bed to the occupant as well as heel management. The foot prop is also adjustable.
    Type: Grant
    Filed: July 22, 1998
    Date of Patent: April 10, 2001
    Assignee: Hill-Rom, Inc.
    Inventors: E. David Allen, Kenneth L. Kramer, Peter M. Wukusick, Eric R. Meyer, Gregory W. Branson, David J. Ulrich, James M. C. Thomas, Paul M. McDaniel, III, Denis R. Zwink