Patents by Inventor Michael Nemcek

Michael Nemcek 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).

  • Anti-tip wheelchair
    Patent number: 7694990
    Abstract: A manually-powered wheelchair that includes one or more features that enhance the overall maneuverability and stability of the wheelchair, such as centrally mounted drive-wheels and an anti-tip system. Other embodiments may include at least one of an adjustable anti-tip system that may be selectively located to several locations on the frame; a positive stop device attached to either the mounting bracket, frame, or the anti-tip system for limiting movement of the anti-tip system and the frame relative to each other; a resistance device attached to the frame and the anti-tip system for increasing resistance between the frame and the anti-tip system when the user leans backwards in the wheelchair; a wheel lock system engaging at least one of the drive wheels below the wheel's axis of rotation; and a tilt prevention device for selectively preventing any rotation of the wheelchair frame and anti-tip system relative to each other.
    Type: Grant
    Filed: November 9, 2005
    Date of Patent: April 13, 2010
    Assignee: Invacare Corporation
    Inventors: Gerold Goertzen, Michael Nemcek
  • Anti-tip wheelchair
    Publication number: 20060097478
    Abstract: A manually-powered wheelchair that includes one or more features that enhance the overall maneuverability and stability of the wheelchair, such as centrally mounted drive-wheels and an anti-tip system. Other embodiments may include at least one of an adjustable anti-tip system that may be selectively located to several locations on the frame; a positive stop device attached to either the mounting bracket, frame, or the anti-tip system for limiting movement of the anti-tip system and the frame relative to each other; a resistance device attached to the frame and the anti-tip system for increasing resistance between the frame and the anti-tip system when the user leans backwards in the wheelchair; a wheel lock system engaging at least one of the drive wheels below the wheel's axis of rotation; and a tilt prevention device for selectively preventing any rotation of the wheelchair frame and anti-tip system relative to each other.
    Type: Application
    Filed: November 9, 2005
    Publication date: May 11, 2006
    Applicant: Invacare Corporation
    Inventors: Gerold Goertzen, Michael Nemcek
  • Mobile debridement device
    Patent number: D952145
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: May 17, 2022
    Assignee: Exsurco Medical, Inc.
    Inventors: Linda Sopko, Michael Nemcek