Patents by Inventor Hon-Wah Wai

Hon-Wah Wai 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).

  • Exoskeleton ankle robot
    Patent number: 10426637
    Abstract: A portable electrical motor-driven exoskeleton ankle joint robot with gear transmission and control system which is intended to provide walking assistance in different speed and walking conditions to persons with disability in walking or muscle weakness or joint problem.
    Type: Grant
    Filed: June 21, 2015
    Date of Patent: October 1, 2019
    Assignee: THE HONG KONG POLYTECHNIC UNIVERSITY
    Inventors: Kai-Yu Tong, Ling Fung Yeung, Corinna Ursula Ockenfeld, Sze Kit Ho, Hon-Wah Wai, Man-Kit Pang
  • Interactive exoskeleton robotic knee system
    Patent number: 10390973
    Abstract: An interactive exoskeleton robotic knee system for assist walking and gait training. The system comprises of an exoskeleton framework to be attached to the thigh and shank of the user's leg; electric motor; mechanical lock; motion sensor assembled on the lower limb unit, and a control box. The system provides extension and flexion movement in the knee joint.
    Type: Grant
    Filed: June 21, 2015
    Date of Patent: August 27, 2019
    Assignee: THE HONG KONG POLYTECHNIC UNIVERSITY
    Inventors: Kai-Yu Tong, Corinna Ursula Ockenfeld, Ling Fung Yeung, Sze Kit Ho, Hon-Wah Wai, Man-Kit Pang
  • Exoskeleton Ankle Robot
    Publication number: 20160331557
    Abstract: A portable electrical motor-driven exoskeleton ankle joint robot with gear transmission and control system which is intended to provide walking assistance in different speed and walking conditions to persons with disability in walking or muscle weakness or joint problem.
    Type: Application
    Filed: June 21, 2015
    Publication date: November 17, 2016
    Inventors: Kai-Yu TONG, Ling Fung YEUNG, Corinna Ursula OCKENFELD, Sze Kit HO, Hon-Wah WAI, Man-Kit PANG
  • Interactive Exoskeleton Robotic Knee System
    Publication number: 20160331560
    Abstract: An interactive exoskeleton robotic knee system for assist walking and gait training. The system comprises of an exoskeleton framework to be attached to the thigh and shank of the user's leg; electric motor; mechanical lock; motion sensor assembled on the lower limb unit, and a control box. The system provides extension and flexion movement in the knee joint.
    Type: Application
    Filed: June 21, 2015
    Publication date: November 17, 2016
    Inventors: Kai-Yu TONG, Corinna Ursula OCKENFELD, Ling Fung YEUNG, Sze Kit HO, Hon-Wah WAI, Man-Kit PANG
  • Spatial Truss
    Publication number: 20100139192
    Abstract: A truss includes a first cap, a second cap, a core member, at least two struts, and a fastening member securing the struts to the core member between the first cap and the second cap. The struts are rotatably attached to the core member between the first cap and the second cap of an angle between 15° and 180°.
    Type: Application
    Filed: December 5, 2008
    Publication date: June 10, 2010
    Applicant: HONG KONG POLYTECHNIC UNIVERSITY
    Inventors: Yat Chiu Ng, Kam Piu Chu, Hon Wah Wai
  • Steam vents for cookware
    Patent number: 6006939
    Abstract: A steam vent arrangement comprises a pan lid knob that incorporates a rotatable member that carries a slidable plunger. The plunger is moved by an SMA element to allow steam to vent via the knob and an aperture in a lid of the pan.
    Type: Grant
    Filed: July 13, 1998
    Date of Patent: December 28, 1999
    Assignee: Sunderland Holding Limited
    Inventor: Hon-Wah Wai