Patents by Inventor John N. Boyer

John N. Boyer 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).

  • Air conditioner compressor hoist
    Patent number: 7350770
    Abstract: The present invention provides a portable hoist for use by air conditioner mechanics, or others, to lift compressors in and out of HVAC units (or other heavy objects). The hoist has a lifting arm rotatable relative to a base and preferably provides a compact storage configuration.
    Type: Grant
    Filed: January 11, 2007
    Date of Patent: April 1, 2008
    Inventor: John N. Boyer