Patents by Inventor Randy Wilkerson

Randy Wilkerson 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).

  • Method and apparatus for cleaning air conditioner evaporator coils
    Patent number: 8468648
    Abstract: An air conditioning coil cleaning system including a portable vacuum blower equipped with a plurality of fluid supply reservoirs and a fluid pump, a suction hose with an electric power cord and fluid supply lines attached to a remote hand held brush head containing an elongated oscillating wiper brush. Fluids may be selectively sprayed onto coils being cleaned while vacuuming to reduce airborne debris and debris accumulation in the coil catch pan.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: June 25, 2013
    Inventors: Ricky D. Smith, Randy Wilkerson