Patents by Inventor Charles H. Bartlett

Charles H. Bartlett 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: 5300438
    Abstract: A composting apparatus and method utilizing a vessel for receiving organic material which is rotatably supported. In a preferred embodiment, the vessel has a corrugated body to move and agitate the material. In another embodiment, the vessel is fabricated from large containers, such as refuse containers, secured end-to-end at their top ends. The vessel is rotated by a drive wheel engaging a peripheral track on the exterior of the vessel.
    Type: Grant
    Filed: July 6, 1992
    Date of Patent: April 5, 1994
    Assignee: Augspurger Engineering
    Inventors: Quent Augspurger, Charles H. Bartlett
  • Patent number: 5050865
    Abstract: An exercise device having a stand adapted to support a bicycle. The stand has a wheel support which permits side-to-side pivotal motion of the support and bicycles. A roller engages the rear wheel of the bicycle and is in driving relationship through a clutch with the input shaft of an AC induction device connected to a power indicating device. The indication device operates to generate electricity when a predetermined pedal speed is achieved. In another embodiment the exercise device is a dedicated stationary device in which motion may be imparted to the input shaft by pedal crank operation and by manually pivotable handle bars.
    Type: Grant
    Filed: March 6, 1989
    Date of Patent: September 24, 1991
    Inventors: Quent Augspurger, Charles H. Bartlett
  • Patent number: 4817939
    Abstract: An exercise device having a stand adapted to support a bicycle. The stand has a wheel support which permits side-to-side pivotal motion of the support and bicycle. A roller engages the rear wheel of the bicycle and is in driving relationship through a clutch with an AC induction motor connected to a power indicating device.
    Type: Grant
    Filed: December 28, 1987
    Date of Patent: April 4, 1989
    Inventors: Quent Augspurger, Charles H. Bartlett