Patents Represented by Attorney, Agent or Law Firm Philip C. Mendes da Costa
  • Construction of a vacuum cleaner head
    Patent number: 6173474
    Abstract: An upright vacuum cleaner has a vacuum cleaner head for cleaning a floor having a forward portion and two spaced apart rear portions extending rearwardly from the forward portion, the spaced apart rear portions defining an open space there between, and a longitudinally extending upper body portion having a longitudinal axis, the upper body portion being pivotally mounted on the vacuum cleaner head and moveable between a raised position and a lowered position in which the longitudinal axis is generally parallel to the floor, a portion of the upper body portion being received in the open space between the rear portions when in the lowered storage position.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: January 16, 2001
    Assignee: Fantom Technologies Inc.
    Inventor: Wayne Ernest Conrad
  • Prandtl layer turbine
    Patent number: 6174127
    Abstract: A turbine comprising a first housing having a first shaft rotatably drivingly connected to a second shaft and mounted in the first housing; a plurality of first spaced apart discs mounted on the first shaft and rotatable therewith; a second housing having the second shaft rotatably mounted in the second housing; and, a plurality of second spaced apart discs mounted on the second shaft and rotatable therewith.
    Type: Grant
    Filed: January 8, 1999
    Date of Patent: January 16, 2001
    Assignee: Fantom Technologies Inc.
    Inventors: Wayne Ernest Conrad, Helmut Gerhard Conrad, Ted Szylowiec
  • Method and apparatus for reducing the size of elongate particulate material in a vacuum cleaner head
    Patent number: 6170119
    Abstract: A vacuum cleaner head is provided with cutting elements positioned in the air flow path of the vacuum cleaner head to reduce the size of elongate particulate material entering the dirty air inlet.
    Type: Grant
    Filed: June 1, 1999
    Date of Patent: January 9, 2001
    Assignee: Fantom Technologies Inc.
    Inventors: Wayne Ernest Conrad, Scott Hamilton
  • Handle for vacuum cleaner having an offset hand grip portion
    Patent number: 6098244
    Abstract: A vacuum cleaner handle is provided which offers improved ergonomic characteristics by providing a grip portion which is offset from the center line axis of the cleaner head.
    Type: Grant
    Filed: July 27, 1999
    Date of Patent: August 8, 2000
    Assignee: Fantom Technologies Inc.
    Inventors: Wayne Ernest Conrad, Bradley Scott Logan-Hamilton
  • Waste water grease filter
    Patent number: 6098813
    Abstract: A waste water filter system has a collector body (14), a disposable filter (20) positioned within the collector body which retains particulate matter and grease while not retaining waste water, and an access aperture (28) in the collector body for removing and replacing the filter.
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: August 8, 2000
    Assignee: Rhino Ecosystems Inc.
    Inventor: Charles Cini
  • Lift off mechanism for a vacuum cleaner
    Patent number: 5974625
    Abstract: A height adjustment mechanism for a vacuum cleaner includes forwardly positioned lift off wheels which move downwardly when the handle of the vacuum cleaner is moved to the raised position. Two transfer members convert the rotational movement of the handle to vertical motion of the lift off wheels.
    Type: Grant
    Filed: July 24, 1996
    Date of Patent: November 2, 1999
    Assignee: Fantom Technologies Inc.
    Inventor: David P. Garner
  • Chair
    Patent number: D416702
    Type: Grant
    Filed: February 10, 1999
    Date of Patent: November 23, 1999
    Assignee: Global Upholstery Company
    Inventor: Peter Kaczmarek