Patents by Inventor Ka-Nam Ho

Ka-Nam Ho 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).

  • Electric cleaning sweeper
    Patent number: 7861351
    Abstract: An electric cleaning sweeper comprises a housing, including a detachable dirt tray placed inside the housing; and at least one openable wall located on the dirt tray wherein the openable wall is responsive to movement of a device located on the handle which can pick up the dirt tray and remove it off the housing to discharge the dust and debris while direct contact of the dirt tray by a human hand is avoided.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: January 4, 2011
    Assignee: Kwonnie Electrical Products Limited
    Inventor: Ka Nam Ho
  • Liquid sprayers
    Patent number: 6981658
    Abstract: A liquid sprayer is provided. This liquid sprayer comprises a bottle having an opening and a sprayer housing attached to the bottle. This sprayer housing includes an electric motor, a voltage source for powering the electric motor, a pump driven by the motor, a switch for completing an electrical circuit, a nozzle mechanism attached to the sprayer housing for spraying a liquid. The liquid sprayer also comprises a venting mechanism. This venting mechanism comprises a vent housing having an inner surface and an outer surface, and a translating piston disposed in the vent housing.
    Type: Grant
    Filed: October 28, 2002
    Date of Patent: January 3, 2006
    Assignee: The Procter & Gamble Company
    Inventors: Alen David Streutker, Travis Edward Langevin, Robert James Good, Ka-Nam Ho, Steve Lynn Sweeton, Phillip Joseph DiMaggio
  • Venting mechanism
    Patent number: 6969046
    Abstract: A liquid sprayer is provided. This liquid sprayer comprises a bottle having an opening and a sprayer housing attached to the bottle. This sprayer housing includes an electric motor, a voltage source for powering the electric motor, a pump driven by the motor, a switch for completing an electrical circuit, a nozzle mechanism attached to the sprayer housing for spraying a liquid. The liquid sprayer also comprises a venting mechanism. This venting mechanism comprises a vent housing having an inner surface and an outer surface, and a translating piston disposed in the vent housing.
    Type: Grant
    Filed: October 28, 2002
    Date of Patent: November 29, 2005
    Assignee: The Procter & Gamble Company
    Inventors: Alen David Streutker, Travis Edward Langevin, Robert James Good, Ka-Nam Ho, Steve Lynn Sweeton, Phillip Joseph DiMaggio
  • Venting mechanism
    Publication number: 20030052194
    Abstract: A liquid sprayer is provided. This liquid sprayer comprises a bottle having an opening and a sprayer housing attached to the bottle. This sprayer housing includes an electric motor, a voltage source for powering the electric motor, a pump driven by the motor, a switch for completing an electrical circuit, a nozzle mechanism attached to the sprayer housing for spraying a liquid. The liquid sprayer also comprises a venting mechanism. This venting mechanism comprises a vent housing having an inner surface and an outer surface, and a translating piston disposed in the vent housing.
    Type: Application
    Filed: October 28, 2002
    Publication date: March 20, 2003
    Inventors: Alen David Streutker, Travis Edward Langevin, Robert James Good, Ka-Nam Ho, Steve Lynn Sweeton, Phillip Joseph DiMaggio
  • Liquid sprayers
    Publication number: 20030042330
    Abstract: A liquid sprayer is provided. This liquid sprayer comprises a bottle having an opening and a sprayer housing attached to the bottle. This sprayer housing includes an electric motor, a voltage source for powering the electric motor, a pump driven by the motor, a switch for completing an electrical circuit, a nozzle mechanism attached to the sprayer housing for spraying a liquid. The liquid sprayer also comprises a venting mechanism. This venting mechanism comprises a vent housing having an inner surface and an outer surface, and a translating piston disposed in the vent housing.
    Type: Application
    Filed: October 28, 2002
    Publication date: March 6, 2003
    Applicant: The Procter & Gamble Company
    Inventors: Alen David Streutker, Travis Edward Langevin, Robert James Good, Ka-Nam Ho, Steve Lynn Sweeton, Phillip Joseph DiMaggio
  • Liquid sprayers
    Patent number: 6502766
    Abstract: A liquid sprayer is provided. This liquid sprayer comprises a bottle having an opening and a sprayer housing attached to the bottle. This sprayer housing includes an electric motor, a voltage source for powering the electric motor, a pump driven by the motor, a switch for completing an electrical circuit, a nozzle mechanism attached to the sprayer housing for spraying a liquid. The liquid sprayer also comprises a venting mechanism. This venting mechanism comprises a vent housing having an inner surface and an outer surface, and a translating piston disposed in the vent housing.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: January 7, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Alen David Streutker, Travis Edward Langevin, Robert James Good, Ka-Nam Ho, Steve Lynn Sweeton, Phillip Joseph DiMaggio