Patents by Inventor Brian John HAMILTON

Brian John HAMILTON 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).

  • Vacuum Pump Assembly For Article Of Footwear
    Publication number: 20220104582
    Abstract: An article of footwear includes an upper and a sole coupled to the upper. The article of footwear includes a vacuum pump assembly. The vacuum pump assembly includes a flexible bladder and a pump disposed in the sole and in fluid communication with the bladder. The pump removes air from the bladder to draw a vacuum within the bladder. The pump includes a plunger that activates the pump in response to the application of force against the sole. The bladder constricts and conforms the upper against the wearer's foot as the pump removes air from the bladder to generate the vacuum.
    Type: Application
    Filed: October 7, 2020
    Publication date: April 7, 2022
    Inventors: Brian J. CHRISTENSEN, Erasmo RODRIGUEZ, Henry L. HARDIGAN, Ricardo VESTUTI, Brian John HAMILTON