Patents by Inventor Karl Harman

Karl Harman 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).

  • Remote Control Wildlife Feeder
    Publication number: 20090020074
    Abstract: A remote control wildlife feeder has an antenna and a receiver which receives a signal transmitted by a transmitter. The receiver includes a microprocessor, a relay having a positive electrical output, and a relay having a negative electrical output. A power supply provides power to operate the microprocessor and the relays. The antenna is connected by a line to the microprocessor. An internal timer is included in the microprocessor which is usable in the receiver. The RF signal arrives along a line from the antenna to the internal timer and, if the timer permits, to a filter. The feeder also includes a power supply, a motor, and a feeder mechanism.
    Type: Application
    Filed: July 21, 2008
    Publication date: January 22, 2009
    Inventor: KARL HARMAN
  • Controller for operating a wildlife feeder
    Patent number: D580886
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: November 18, 2008
    Inventor: Karl Harman