Patents Assigned to Hoover Company
  • Upright carpet and upholstery extractor
    Patent number: 5493752
    Abstract: A novel upright carpet cleaning extractor is disclosed which may be conveniently converted from the floor cleaning mode to the upholstery and/or stair cleaning mode. The overall configuration and operation of the extractor is similar to that of a typical upright vacuum cleaner and may be operated in the forward or reverse direction similar to a typical upright vacuum cleaner. When in the floor cleaning mode, cleaning solution is supplied to a solution distributor by gravity flow. However, when converted to the upholstery cleaning mode an auxiliary, air turbine driven cleaning solution pump is automatically energized for supplying pressurized cleaning solution to an upholstery or stair cleaning nozzle.
    Type: Grant
    Filed: January 14, 1994
    Date of Patent: February 27, 1996
    Assignee: The Hoover Company
    Inventors: Darwin S. Crouser, Gregg A. McAllise, Jeffery A. Morgan, Fred S. Sindlinger
  • Rollered nozzle
    Patent number: 5481781
    Abstract: A vacuum cleaner is provided with a nozzle having front and rear rollers that extend for, essentially, the width of the nozzle from side to side. Ideally, these rollers are mounted at least partly within the vacuumized envelope formed by the nozzle.
    Type: Grant
    Filed: January 21, 1994
    Date of Patent: January 9, 1996
    Assignee: The Hoover Company
    Inventor: Vincent L. Weber
  • Wet/dry utility vacuum cleaner
    Patent number: 5455983
    Abstract: The present invention teaches a utility, wet/dry, tank type, vacuum cleaner suitable for domestic use whereby wet or dry material may be alternately vacuumed. Two storage or receiving chambers are provided, preferably positioned one within the other. Two suction inlets, one communicating with the first chamber and the other communicating with the second chamber are provided such that wet and dry material may be selectively directed, by the user, to the appropriate chamber for collection.
    Type: Grant
    Filed: January 15, 1993
    Date of Patent: October 10, 1995
    Assignee: The Hoover Company
    Inventors: Darwin S. Crouser, Nick M. Bosyj, Donald R. Bowers, Nicholas Koukourakis, Richard A. Wareham, Conway Vincent
  • Air turbine
    Patent number: 5443362
    Abstract: An air turbine is provided having an entrance stator blade arrangement formed in two halfs, each containing a blade array, with the two halfs interleaved, upon turbine assembly, to thereby easily form an entrance stator with a multiplicity of entrance stator blades.
    Type: Grant
    Filed: March 16, 1994
    Date of Patent: August 22, 1995
    Assignee: The Hoover Company
    Inventors: Timothy E. Crites, Douglas C. Barker, Joseph W. Clifford, Darwin S. Crouser
  • Pressure activated dispensing valve
    Patent number: 5433242
    Abstract: A combined solution dispensing and pressurizing valve is provided so that the dispensed fluid is pressure driven to exhaust through the valve.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: July 18, 1995
    Assignee: The Hoover Company
    Inventors: Dean H. Buchtel, John A. Leonatti, Gerald L. Melegari
  • Resiliently cushioned activating means for power assist
    Patent number: 5406674
    Abstract: A power assisted upright cleaner is provided with resilient spring cushioning for a hand grip driven actuating means that initiates power assist for the cleaner.
    Type: Grant
    Filed: March 19, 1993
    Date of Patent: April 18, 1995
    Assignee: The Hoover Company
    Inventors: Raymond L. Lawter, Douglass A. King, Rodney J. Svik
  • Tank carry handle and securement latch
    Patent number: 5406673
    Abstract: The herein disclosed invention relates to an improved liquid supply tank which may be releasibly attached to an ambulatory machine such as an upright domestic carpet cleaning extractor. A unique combination carrying handle and securement latch is taught which pivotly attaches to the tank for carrying when the tank is removed from the machine. The handle includes latching means that serves to secure the tank to the machine when the tank is attached thereto.
    Type: Grant
    Filed: January 14, 1994
    Date of Patent: April 18, 1995
    Assignee: The Hoover Company
    Inventors: Sidney H. Bradd, Lynn A. Frederick
  • Trigger lever arrangement
    Patent number: 5398567
    Abstract: A handle mounted trigger lever which is utilized as a solution release mechanism in an extractor is provided. The trigger switch as an `off` position and two `on` positions with the second `on` position obtainable by the depression of a release button, the release button being in a normally obstructing relationship with the trigger switch's movement in its first position. The release button includes a deformable obstructing portion which abuts with the trigger lever and limits trigger lever swing at the first `on` position. This obstructing portion may then be moved to a non-interfering relationship be deformation of the obstructing portion of the release button so that the trigger lever may then be moved to the second `on` position.
    Type: Grant
    Filed: April 1, 1993
    Date of Patent: March 21, 1995
    Assignee: The Hoover Company
    Inventor: Glenn E. Specht
  • Rim seal for vacuum cleaner having dual storage tanks
    Patent number: 5388301
    Abstract: The present invention discloses and teaches means for effecting a vacuum seal between the cover lid, outer tank and inner tank of a dual tank utility type vacuum cleaner wherein the inner tank is telescopingly positioned within the outer tank and suspended therein from the peripheral rim of the outer tank. The peripheral rims of the cover lid, inner tank and outer tank cooperate to fluidly isolate the inner tank from the outer tank and seal both tanks from the atmosphere.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: February 14, 1995
    Assignee: The Hoover Company
    Inventors: Nick M. Bosyj, Donald R. Bowers, Nicholas Koukourakis, Conway Vincent
  • Utility blower
    Patent number: D354378
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: January 10, 1995
    Assignee: The Hoover Company
    Inventors: Darwin T. McKnight, Richard A. Wareham
  • Outrigger caster support
    Patent number: D355109
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: February 7, 1995
    Assignee: The Hoover Company
    Inventors: David W. Moine, Ronald J. Stephens
  • Base for an upright vacuum cleaner
    Patent number: D356880
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: March 28, 1995
    Assignee: The Hoover Company
    Inventor: Milton G. Kieft
  • Vacuum cleaner upper portion
    Patent number: D357096
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: April 4, 1995
    Assignee: The Hoover Company
    Inventor: Richard A. Wareham
  • Vacuum cleaner
    Patent number: D357336
    Type: Grant
    Filed: May 12, 1993
    Date of Patent: April 11, 1995
    Assignee: The Hoover Company
    Inventors: David W. Moine, Ronald J. Stephens
  • Combined wet and dry vacuum cleaner
    Patent number: D357773
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: April 25, 1995
    Assignee: The Hoover Company
    Inventors: Richard A. Wareham, Ronald J. Stephens, David W. Moine
  • Carpet extractor
    Patent number: D358241
    Type: Grant
    Filed: February 5, 1993
    Date of Patent: May 9, 1995
    Assignee: The Hoover Company
    Inventor: Sidney H. Bradd
  • Vacuum cleaner nozzle
    Patent number: D358242
    Type: Grant
    Filed: March 15, 1993
    Date of Patent: May 9, 1995
    Assignee: The Hoover Company
    Inventor: Darwin T. McKnight
  • Combined wet and dry vacuum cleaner
    Patent number: D361179
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: August 8, 1995
    Assignee: The Hoover Company
    Inventors: David W. Moine, Darwin T. McKnight, Ronald J. Stephens, Richard A. Wareham
  • Vacuum cleaner upper portion
    Patent number: D361181
    Type: Grant
    Filed: March 22, 1994
    Date of Patent: August 8, 1995
    Assignee: The Hoover Company
    Inventors: Richard A. Wareham, Ronald J. Stephens
  • Floor cleaner handle
    Patent number: D365179
    Type: Grant
    Filed: January 14, 1994
    Date of Patent: December 12, 1995
    Assignee: The Hoover Company
    Inventor: Sidney H. Bradd