Patents by Inventor Ian H. Nicholls

Ian H. Nicholls 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).

  • Floating platform aerator/mixer apparatus
    Patent number: 4581181
    Abstract: A floating platform structure mounted on ballast tanks disposed in a tank having the liquid to be mixed and/or aerated by an impeller carried by the platform. Guide members on the structure have longitudinally spaced sets of rollers slidably engaging upstanding posts in the tank and restrain the platform against rocking or horizontal movement due to wind or wave action, while allowing the platform to rise and fall with changes in the level of liquid in the tank.
    Type: Grant
    Filed: September 28, 1984
    Date of Patent: April 8, 1986
    Assignee: General Signal Corporation
    Inventor: Ian H. Nicholls