Patents by Inventor Geoffrey Waldau

Geoffrey Waldau 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: 4442825
    Abstract: A detachable fuel feeder device for use with wood stoves is disclosed comprising an inclined fuel storage chamber adapted for alignment with the door opening of the wood stove, a dog clamp for detachably mounting the chamber to the wood stove, a door pivotally mounted to the storage chamber, a releasable catch selectively holding the door to close off the storage chamber, and a sensor to sense the amount of combusting wood fuel in the combustion chamber of the wood stove and being operationally connected to the catch to actuate the catch upon sensing a predetermined amount of combusting wood fuel. Alternative sensors are disclosed for sensing the height of combusting fuel, the weight of combusting fuel and a predetermined amount of heat.An alternate embodiment discloses a generally horizontal fuel storage chamber having a spring-loaded pusher element for injecting wood fuel into the combustion chamber.
    Type: Grant
    Filed: December 14, 1981
    Date of Patent: April 17, 1984
    Inventor: Geoffrey Waldau