Patents by Inventor Stuart John Ray

Stuart John Ray 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).

  • Devices for blending materials and bags and for use in such devices
    Patent number: 7789551
    Abstract: A device for blending materials and a bag for use in such devices. The device has at least one paddle for acting on a sample and a carrier against which a sample may be crushed by the paddle. The device is arranged to allow adjustment of the spacing between the paddle and carrier during operation. The bag is suitable for use in such a device but can be used in other devices.
    Type: Grant
    Filed: March 7, 2005
    Date of Patent: September 7, 2010
    Inventors: Stuart John Ray, Graham Roger Gibbins
  • Devices for blending materials including a pair of kneading paddles causing the contents of a container to circulate
    Patent number: 6439759
    Abstract: A device for blending materials comprising a carrier support (1) arranged to support a closed bag (3) containing a material to be blended, a kneading mechanism in the form of paddles (5) which are arranged to apply a kneading action to the bag walls for homogenizing its contents, and a clamping device (4) for holding the bag closed and against the carrier support (1) during kneading. The kneading mechanism (5) is arranged to act in conjunction with the carrier support (1) and an island baffle (7) to cause the contents of the bag to circulate during kneading.
    Type: Grant
    Filed: March 9, 2001
    Date of Patent: August 27, 2002
    Assignee: Seward Limited
    Inventors: Stuart John Ray, Kevin John Lanchester