Patents by Inventor Jonathan Stewart Ellis

Jonathan Stewart Ellis 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).

  • Stair chair
    Patent number: 6644675
    Abstract: A stair chair is provided and includes a seat 30, a backrest 34, a foot rest 32, upper handles 84 and lower handles 82. Three wheels 62 are mounted at each side of the chair. The wheels are pivotal about their own axis and also a common axis. Rotation about the common axis can be braked or locked. The chair can be lowered downstairs with a person pulling on the upper handle 84 and another person pushing on the lower handles 82 in order to slow movement of the chair down the stairs.
    Type: Grant
    Filed: July 24, 2002
    Date of Patent: November 11, 2003
    Assignee: Ferno-Washington, Inc.
    Inventors: Jonathan Stewart Ellis, Philip Ian Ward
  • Stair chair
    Patent number: 6435538
    Abstract: A stair chair is provided and includes a seat 30, a backrest 34, a foot rest 32, upper handles 84 and lower handles 82. Three wheels 62 are mounted at each side of the chair. The wheels are pivotal about their own axis and also a common axis. Rotation about the common axis can be braked or locked. The chair can be lowered downstairs with a person pulling on the upper handle 84 and another person pushing on the lower handles 82 in order to slow movement of the chair down the stairs.
    Type: Grant
    Filed: July 27, 1999
    Date of Patent: August 20, 2002
    Assignee: Ferno-Washington, Inc.
    Inventors: Jonathan Stewart Ellis, Philip Ian Ward
  • STAIR CHAIR
    Publication number: 20010040358
    Abstract: A stair chair is provided and includes a seat 30, a backrest 34, a foot rest 32, upper handles 84 and lower handles 82. Three wheels 62 are mounted at each side of the chair. The wheels are pivotal about their own axis and also a common axis. Rotation about the common axis can be braked or locked. The chair can be lowered downstairs with a person pulling on the upper handle 84 and another person pushing on the lower handles 82 in order to slow movement of the chair down the stairs.
    Type: Application
    Filed: July 27, 1999
    Publication date: November 15, 2001
    Inventors: JONATHAN STEWART ELLIS, PHILIP IAN WARD
  • Monitoring patient handling equipment
    Patent number: 6219864
    Abstract: A trolley 10 can be moved between a raised position and a lowered position. The trolley is usually in the lowered position when it is put into an ambulance. A magnet 252 is secured to one connecting leg of the trolley and a counter 258 is connected to the top frame 16 of the trolley. When the trolley is moved to a lower position the magnet 252 comes in close proximity to the counter 258 and a count is recorded. The recorded count gives an indication of the number of times that the trolley has been raised and lowered.
    Type: Grant
    Filed: May 19, 1999
    Date of Patent: April 24, 2001
    Assignee: Ferno-Washington, Inc.
    Inventors: Jonathan Stewart Ellis, Philip Ian Ward, Alan Jackson
  • Fabric chair with three stair climbing wheels
    Patent number: D430078
    Type: Grant
    Filed: June 1, 1999
    Date of Patent: August 29, 2000
    Assignee: Ferno-Washington, Inc.
    Inventors: Jonathan Stewart Ellis, Philip Ian Ward, Alan Jackson