The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 31, 2010
Filed:
Feb. 16, 2006
Kenneth M. Lenkiwicz, Grand Rapids, MI (US);
Alan J. Krebs, Pierson, MI (US);
Allen W. Scott, Alto, MI (US);
Kurt E. Ashbaugh, Rockford, MI (US);
Linsay M. Ulman, Rockford, MI (US);
Evelyn M. Trudell, Kentwood, MI (US);
Gary A. Kasper, Grand Rapids, MI (US);
Kenneth M. Lenkiwicz, Grand Rapids, MI (US);
Alan J. Krebs, Pierson, MI (US);
Allen W. Scott, Alto, MI (US);
Kurt E. Ashbaugh, Rockford, MI (US);
Linsay M. Ulman, Rockford, MI (US);
Evelyn M. Trudell, Kentwood, MI (US);
Gary A. Kasper, Grand Rapids, MI (US);
Bissell Homecare, Inc., Grand Rapids, MI (US);
Abstract
A surface cleaning apparatus comprises a fluid delivery system including a supply of cleaning fluid and a fluid recovery system for drawing dirty cleaning fluid from the surface to be cleaned. The apparatus can comprise a passageway that passes heated motor cooling air in heat exchange with the cleaning fluid to heat the cleaning fluid. The apparatus can further comprise a mixing manifold that mixes first and second cleaning fluids at different concentrations for different cleaning modes. The apparatus can further comprise a fluid valve having a shape memory alloy actuator.