Patents by Inventor Gregory S. Sawicki

Gregory S. Sawicki 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: 9492302
    Abstract: The subject matter described herein includes an apparatus and a clutch for using controlled storage and release of mechanical energy to aid in locomotion. One exemplary apparatus includes a frame including an upper portion configured to mechanically couple to a leg of the subject on a calf side of an ankle joint of the subject and a lower portion pivotally attached to the upper portion configured to mechanically couple to a foot of the subject on a foot side of the ankle joint of the subject. The apparatus include a rotary clutch and an elastic element coupled between the upper and lower portions of the frame to control periods of energy storage and release by the elastic element.
    Type: Grant
    Filed: August 15, 2012
    Date of Patent: November 15, 2016
    Assignee: North Carolina State University
    Inventors: Michael B. Wiggin, Gregory S. Sawicki, Steven H. Collins
  • Publication number: 20130046218
    Abstract: The subject matter described herein includes an apparatus and a clutch for using controlled storage and release of mechanical energy to aid in locomotion. One exemplary apparatus includes a frame including an upper portion configured to mechanically couple to a leg of the subject on a calf side of an ankle joint of the subject and a lower portion pivotally attached to the upper portion configured to mechanically couple to a foot of the subject on a foot side of the ankle joint of the subject. The apparatus include a rotary clutch and an elastic element coupled between the upper and lower portions of the frame to control periods of energy storage and release by the elastic element.
    Type: Application
    Filed: August 15, 2012
    Publication date: February 21, 2013
    Applicant: North Carolina State University
    Inventors: Michael B. Wiggin, Gregory S. Sawicki, Steven H. Collins