Patents by Inventor Ruth Amos

Ruth Amos 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).

  • Locking system for a stair assistance device
    Patent number: 9850665
    Abstract: A stair assistance device for use with a handrail, the device comprising a sleeve engageable with and slideable relative to the handrail, and a brake element to hinder or prevent sliding movement of the sleeve, wherein, when the sleeve is engaged with a handrail, the brake element is resiliently biased towards the handrail, to hinder or prevent movement of the sleeve when the device is not in use.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: December 26, 2017
    Assignee: STAIRSTEADY LIMITED
    Inventors: Ruth Amos, Reginald Copeland
  • New Locking System for a Stair Assistance Device
    Publication number: 20140231738
    Abstract: A stair assistance device for use with a handrail, the device comprising a sleeve engageable with and slideable relative to the handrail, and a brake element to hinder or prevent sliding movement of the sleeve, wherein, when the sleeve is engaged with a handrail, the brake element is resiliently biased towards the handrail, to hinder or prevent movement of the sleeve when the device is not in use.
    Type: Application
    Filed: June 19, 2012
    Publication date: August 21, 2014
    Applicant: STAIRSTEADY LIMITED
    Inventors: Ruth Amos, Reginald Copeland