Patents by Inventor Christopher J. Scrase

Christopher J. Scrase 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: 5048893
    Abstract: A chair adapted to passively adjust itself to be in equilibrium with the user's body in relation to changes in the center of gravity and thigh inclination. The chair includes a post from which is provided, in one embodiment, a convex track on which a carriage is allowed to travel, and a seat pan is pivoted on the carriage for angle adjustment relative to the carriage. In another embodiment, a first concave track is provided on the top of the post with a carriage slidable in the concave track and a seat pan mounted for travel in a track on the carriage wherein the second concave track has a smaller radius than the first track.
    Type: Grant
    Filed: July 16, 1990
    Date of Patent: September 17, 1991
    Assignee: Benjamin Cowan
    Inventors: Benjamin Cowan, Marek Kmicikiewicz, Christopher J. Scrase, Bernard Shalinsky
  • Patent number: 4738487
    Abstract: A tilting seat having a base for supporting the seat on the floor and a stem extending upwardly from the base, either integrally or separably from the base, the seat being arranged such that it tilts about a tilting axis passing through the base such that a user can tilt the seat forward when in a working position. The base may be a turntable.
    Type: Grant
    Filed: April 18, 1986
    Date of Patent: April 19, 1988
    Assignee: Ergoform Inc.
    Inventors: Bernard Shalinsky, Christopher J. Scrase, Raymond Mitchell