Patents by Inventor Ron E. Davis

Ron E. Davis 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).

  • Agitator drive system with bare floor shifter
    Patent number: 6915544
    Abstract: An upright vacuum cleaner includes a housing, a nozzle opening in the housing and a dust collector carried on the housing. A suction fan is also carried on the housing. The suction fan draws air, dirt and debris from a surface to be cleaned through the nozzle opening to the dust collector. The upright vacuum cleaner also includes a first rotary agitator and a second rotary agitator, both carried on the housing. A drive motor carried on the housing drives the first rotary agitator through the belt and pulley assembly. A gear drive assembly drivingly connects the first rotary agitator to the second rotary agitator.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: July 12, 2005
    Assignee: Panasonic Corporation of North America
    Inventors: Jeffrey T. Roney, Ron E. Davis
  • Upright vacuum cleaner equipped with electrified hose and wand
    Publication number: 20040255426
    Abstract: An upright vacuum cleaner includes a nozzle assembly and a canister assembly. The upright vacuum cleaner also includes a suction generator and a dirt collection vessel. Further, the upright vacuum cleaner is equipped with a flexible, electrified hose. A cleaning attachment is connected to the hose. The cleaning attachment may be equipped with a booster fan, a powered rotary agitator, a light source or the like.
    Type: Application
    Filed: June 17, 2004
    Publication date: December 23, 2004
    Inventors: Ron E. Davis, Amanda D. Bradshaw
  • Agitator drive system with bare floor shifter
    Publication number: 20040078924
    Abstract: An upright vacuum cleaner includes a housing, a nozzle opening in the housing and a dust collector carried on the housing. A suction fan is also carried on the housing. The suction fan draws air, dirt and debris from a surface to be cleaned through the nozzle opening to the dust collector. The upright vacuum cleaner also includes a first rotary agitator and a second rotary agitator, both carried on the housing. A drive motor carried on the housing drives the first rotary agitator through the belt and pulley assembly. A gear drive assembly drivingly connects the first rotary agitator to the second rotary agitator.
    Type: Application
    Filed: August 4, 2003
    Publication date: April 29, 2004
    Inventors: Jeffrey T. Roney, Ron E. Davis
  • Filter canister for vacuum cleaner
    Patent number: D481844
    Type: Grant
    Filed: September 18, 2002
    Date of Patent: November 4, 2003
    Assignee: Matsushita Electric Corporation of America
    Inventors: Mason I. Greene, Ron E. Davis
  • Bagless canister vacuum
    Patent number: D485953
    Type: Grant
    Filed: September 18, 2002
    Date of Patent: January 27, 2004
    Assignee: Matsushita Electric Corporation of America
    Inventors: Mason I. Greene, Ron E. Davis