Patents by Inventor Bernard Heyward

Bernard Heyward 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).

  • Device for automatically raising and lowering of mobile elements of chairs and beds
    Patent number: 4936554
    Abstract: A device raising and lowering bed or chairs including a pneumatic spring associated with each mobile element of the chair or bed and placed to allow, by its extension, raising of this mobile element. Each pneumatic spring is associated with a weight acting against it and able to be moved to compensate, at rest, the force of the pneumatic spring relative to the weight of the person resting of this mobile element. The device can be used by any person, invalid or not, without the needed of any effort on his part and without the assistance of another person.
    Type: Grant
    Filed: October 4, 1988
    Date of Patent: June 26, 1990
    Inventor: Bernard Heyward