Patents by Inventor Michael Lapham

Michael Lapham 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).

  • Publication number: 20110260127
    Abstract: The inventive concept involves a tree mounted hoist that can be attached to a tree at any desired height. The tree hoist consists of a support platform that has an electric motor therein. The other direction of the support platform has a plate that has serrated teeth thereon that will dig into a tree when forced thereat. The support platform has an upstanding frame thereon and the ends of the upstanding frame each have a locking sleeve thereon. The locking sleeve each receive the end of a flexible cable that surrounds the tree and when tightened around the tree stabilizes the support platform on the tree. The support platform has a forward extension thereon that has a cable pulley at its forward ends over which a hoist cable is trained which hoist cable connects to a winch which is operated by the motor. The electric motor is a 12 Volt vehicle starter motor which can be operated by a remote switch.
    Type: Application
    Filed: April 26, 2010
    Publication date: October 27, 2011
    Inventors: David K. Surgeon, Michael Lapham