Patents by Inventor Chakri Charoenchit

Chakri Charoenchit 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).

  • Patent number: 6893386
    Abstract: A physical therapy chair-bed is a patient bed consisting of three parts, the first, the second and the third parts. The first can also be used as backrest of a physical therapy chair with its flanking parts arranged as armrests. The second part can also form a seat. The third part can be kept inside a case underneath the first and the second parts. All the other components are kept inside the case. There are wheels and wheel-locks mounted under the case at each corner. The chair-bed is equipped with a foot-leg exercise set having a footwear set to help the seat occupant exercise his feet and legs in a bicycling manner. The armrests can move to have the patient's arms exercise. Rack guards and footrests are provided. The chair-bed can be mechanically or electrically and electronically controlled where a remote control may be applied.
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: May 17, 2005
    Inventor: Chakri Charoenchit
  • Publication number: 20030224915
    Abstract: A physical therapy chair-bed is a patient bed consisting of three parts, the first, the second and the third parts. The first can also be used as backrest of a physical therapy chair with its flanking parts arranged as armrests. The second part can also form a seat. The third part can be kept inside a case underneath the first and the second parts. All the other components are kept inside the case. There are wheels and wheel-locks mounted under the case at each corner. The chair-bed is equipped with a foot-leg exercise set having a footwear set to help the seat occupant exercise his feet and legs in a bicycling manner. The armrests can move to have the patient's arms exercise. Rack guards and footrests are provided. The chair-bed can be mechanically or electrically and electronically controlled where a remote control may be applied.
    Type: Application
    Filed: June 4, 2002
    Publication date: December 4, 2003
    Inventor: Chakri Charoenchit