Patents by Inventor Mary M. Dawson

Mary M. Dawson 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).

  • Patent number: 7635002
    Abstract: The invention pertains to a method and apparatus of cleaning glassware, for example, in a hotel room or a motel room. More particularly, the invention pertains to a method and apparatus for cleaning, rinsing, and sanitizing glassware.
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: December 22, 2009
    Assignee: Ecolab Inc.
    Inventors: Jeff W. Peterson, Mary M. Dawson, John E. Thomas
  • Patent number: 6279836
    Abstract: The invention includes a first dispenser for providing a first dilute concentrate of a use solution in a bottle. This bottle is then used in a portable delivery/dilution device which provides for a second level of concentration of the use solution. The bottles in which the solution is placed has both a vertical and horizontal lockout. The horizontal lockout is useful in making certain the right bottles are utilized with each dispenser and the vertical lockouts are useful in guiding the bottle upwards as the first concentration of liquid is placed in the bottle. The portable delivery/dilution system is easily portable, easily filled with water which can be easily poured from a system after use. The battery is rechargeable and can be used in most any application where spraying is desired. First and second timers activate first and second indicators to notify the user sufficient use solution has been dispensed.
    Type: Grant
    Filed: May 23, 2000
    Date of Patent: August 28, 2001
    Assignee: Ecolab Inc.
    Inventors: Mark J. Toetschinger, Mary M. Dawson, Daniel E. Pedersen
  • Patent number: 6158673
    Abstract: The invention includes a first dispenser for providing a first dilute concentrate of a use solution in a bottle. This bottle is then used in a portable delivery/dilution device which provides for a second level of concentration of the use solution. The bottles in which the solution is placed has both a vertical and horizontal lockout. The horizontal lockout is useful in making certain the right bottles are utilized with each dispenser and the vertical lockouts are useful in guiding the bottle upwards as the first concentration of liquid is placed in the bottle. The portable delivery/dilution system is easily portable, easily filled with water which can be easily poured from a system after use. The battery is rechargeable and can be used in most any application where spraying is desired.
    Type: Grant
    Filed: July 2, 1999
    Date of Patent: December 12, 2000
    Assignee: Ecolab Inc.
    Inventors: Mark J. Toetschinger, Mary M. Dawson, Daniel E. Pedersen
  • Patent number: 5996907
    Abstract: The system of the invention comprises a container with a spout that can be filled with water from a tub. The container having a housing positioned above the container for electrical and pumping components. The housing comprises a dry side and a wet side and a source of liquid cleaner concentrate. The wet side is proximate the container and diluent water. The system also comprises a spray wand that can be used to spray both cleaner and rinse water on a cleanable surface. The housing comprises a wet portion containing a pump drive and tubing providing liquid communication between the container, source of aqueous concentrate and diluent, venturi and liquid communication to a spray head. The dry side containing wiring switches, rechargeable batteries and other electrical systems.
    Type: Grant
    Filed: March 2, 1998
    Date of Patent: December 7, 1999
    Assignee: Ecolab Inc.
    Inventors: Mark J. Toetschinger, Mary M. Dawson
  • Patent number: D423743
    Type: Grant
    Filed: July 2, 1999
    Date of Patent: April 25, 2000
    Assignee: Ecolab Inc.
    Inventors: Mary M. Dawson, Mark J. Toetschinger