Patents by Inventor Joseph Roger Plessel

Joseph Roger Plessel 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).

  • Internal handlebar heater
    Patent number: 7671299
    Abstract: A heating assembly used for providing heat to the hands of a person using equipment with handlebars. The heating assembly is installed internal to the handlebars and provides heat to the handlebar grips normally installed on equipment of this type. This system works with existing grips, i.e. special heated grip systems are not required. The current invention is thus usable with a wider variety of handlebar grip devices currently used on motorcycles, snowmobiles, snow blowers and other outdoor devices utilizing handlebars.
    Type: Grant
    Filed: February 28, 2007
    Date of Patent: March 2, 2010
    Inventors: Charles Jacob Gifford, Joseph Roger Plessel, Roland Benjamin Knapton
  • Internal handlebar heater
    Publication number: 20070221644
    Abstract: A heating assembly used for providing heat to the hands of a person using equipment with handlebars. The heating assembly is installed internal to the handlebars and provides heat to the handlebar grips normally installed on equipment of this type. This system works with existing grips, i.e. special heated grip systems are not required. The current invention is thus usable with a wider variety of handlebar grip devices currently used on motorcycles, snowmobiles, snow blowers and other outdoor devices utilizing handlebars.
    Type: Application
    Filed: February 28, 2007
    Publication date: September 27, 2007
    Inventors: Charles Jacob Gifford, Joseph Roger Plessel, Roland Benjamin Knapton