Patents by Inventor David W. Ebner

David W. Ebner 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).

  • Pump assembly for a chair
    Patent number: 6290295
    Abstract: A pump assembly is described for use in the field of workstation design. The pump assembly is described for use in combination with a chair back having an expandable fluid bladder for lumbar support. The pump assembly allows a person, while seated, to more easily inflate or deflate an expandable fluid bladder. An actuator for inflating and deflating the expandable fluid bladder is also described.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: September 18, 2001
    Assignee: Neutral Posture Ergonomics, Inc.
    Inventors: Mark E. Benden, Rebecca C. Boenigk, Kendall A. Belt, David W. Ebner
  • Pump assembly for a chair
    Patent number: 6220663
    Abstract: A pump assembly is described for use in the field of workstation design. The pump assembly is described for use in combination with a chair back having an expandable fluid bladder for lumbar support. The pump assembly allows a person, while seated, to more easily inflate or deflate an expandable fluid bladder. An actuator for inflating and deflating the expandable fluid bladder is also described.
    Type: Grant
    Filed: April 13, 1999
    Date of Patent: April 24, 2001
    Assignee: Neutral Posture Ergonomics, Inc.
    Inventors: Mark E. Benden, Rebecca C. Boenigk, Kendall A. Belt, David W. Ebner