Patents by Inventor Hans De Keyzer

Hans De Keyzer 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).

  • Table adjustable in height
    Patent number: 7997215
    Abstract: The invention relates to a table (1) comprising an up-and-down movable tabletop (2) and operating provisions to move the tabletop (2) up and down, characterized in that the operating provisions are located under the tabletop (2) and that they can be reached by hand. Said operating provisions preferably comprise an operating ring (3) movable against a resilient force.
    Type: Grant
    Filed: March 4, 2005
    Date of Patent: August 16, 2011
    Assignee: Group De Keyzer BVBA
    Inventor: Hans De Keyzer
  • Table adjustable in height
    Publication number: 20050199161
    Abstract: The invention relates to a table (1) comprising an up-and-down movable tabletop (2) and operating provisions to move the tabletop (2) up and down, characterized in that the operating provisions are located under the tabletop (2) and that they can be reached by hand. Said operating provisions preferably comprise an operating ring (3) movable against a resilient force.
    Type: Application
    Filed: March 4, 2005
    Publication date: September 15, 2005
    Inventor: Hans De Keyzer