Patents by Inventor Alexander D. Hauler

Alexander D. Hauler 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).

  • Berley macerator
    Publication number: 20040061008
    Abstract: A berley macerator (10) has a bucket (14) for receiving material to be macerated. A motor (20) is provided for driving a worm which in turn drives a worm wheel (22). A chopper blade (36), mounted on the worm wheel (22), rotates with the worm wheel (22) to macerate the material. A motor control circuit is provided for driving the motor (20) and also for determining if the blade (36) becomes jammed so that the motor (20) can be switched off and an audible signal provided to indicate that a jam has occurred.
    Type: Application
    Filed: June 27, 2003
    Publication date: April 1, 2004
    Inventors: Alexander D. Hauler, Martin Robson, Eric P. Willmot, David Ellis