Patents by Inventor Wing Leung Ng
Wing Leung Ng 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).
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Publication number: 20230378782Abstract: A battery pack includes a housing, and a cover coupled to the housing. The housing and the cover define an interior to receive a battery. The battery pack also includes a button movably coupled to the housing. The button includes a latch. The button moves from a first position relative to the housing to a second position relative to the housing. The battery pack also includes a switch disposed within the housing. The button contacts the switch when the button is in the second position.Type: ApplicationFiled: March 22, 2023Publication date: November 23, 2023Inventors: Jeff Loebig, Wing Leung NG, Qiang Qun LIN, Jin LI
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Patent number: 8365347Abstract: A floor cleaning device including a base assembly for movement along a surface, a handle, a nozzle, a nozzle lifting mechanism, a brush, a brush lifting mechanism, a recovery tank, and a liquid distribution system. The nozzle lifting mechanism moving the nozzle relative to the base assembly and the surface and the brush lifting mechanism moving the brush relative to the base assembly and the surface.Type: GrantFiled: August 18, 2011Date of Patent: February 5, 2013Assignee: Techtronic Floor Care Technology LimitedInventors: Jeffery A. Morgan, David A. Bradshaw, Douglas E. Gerber, Charles A. Lang, Adam C. Sclafani, Kevin L. Thomas, Vincent L. Weber, Robert S. Wilson, Siu Wai Hui, Wing Leung Ng
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Publication number: 20110302731Abstract: A floor cleaning device including a base assembly for movement along a surface, a handle, a nozzle, a nozzle lifting mechanism, a brush, a brush lifting mechanism, a recovery tank, and a liquid distribution system. The nozzle lifting mechanism moving the nozzle relative to the base assembly and the surface and the brush lifting mechanism moving the brush relative to the base assembly and the surface.Type: ApplicationFiled: August 18, 2011Publication date: December 15, 2011Inventors: Jeffery A. Morgan, David A. Bradshaw, Douglas E. Gerber, Charles A. Lang, Adam C. Sclafani, Kevin L. Thomas, Vincent L. Weber, Robert S. Wilson, Siu Wai Hui, Wing Leung Ng
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Publication number: 20100005613Abstract: A floor cleaning device comprises a base portion for movement along a surface and a handle portion pivotally connected to the base. The base portion further includes a suction nozzle and a brush assembly for agitating the surface, wherein the brush assembly and the nozzle assembly are in a first position raised off of the surface for vacuuming saw the surface, and the nozzle assembly is lowered to a second position contacting the surface for collecting and picking up liquid and dirt from the surface. A method of cleaning a surface by first dry vacuuming the surface using a cleaning unit in which the nozzle assembly is raised to pick up particles and then wet vacuuming the floor with the nozzle assembly lowered to collect and pick up dirt from the floor mixed with cleaning solution distributed on the floor.Type: ApplicationFiled: May 18, 2009Publication date: January 14, 2010Inventors: Jeffery A. Morgan, David A. Bradshaw, Douglas E. Gerber, Charles A. Lang, Adam C. Sclafani, Kevin L. Thomas, Vincent L. Weber, Robert S. Wilson, Siu Wai Hui, Wing Leung Ng
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Patent number: 7533442Abstract: A floor cleaning device comprises a base portion for movement along a surface and a handle portion pivotally connected to the base. The base portion further includes a suction nozzle and a brush assembly for agitating the surface, wherein the brush assembly and the nozzle assembly are in a first position raised off of the surface for vacuuming the surface, and the nozzle assembly is lowered to a second position contacting the surface for collecting and picking up liquid and dirt from the surface. A method of cleaning a surface by first dry vacuuming the surface using a cleaning unit in which the nozzle assembly is raised to pick up particles and then wet vacuuming the floor with the nozzle assembly lowered to collect and pick up dirt from the floor mixed with cleaning solution distributed on the floor.Type: GrantFiled: September 28, 2004Date of Patent: May 19, 2009Assignee: Healthy Gain Investments LimitedInventors: Jeffery A. Morgan, David A. Bradshaw, Douglas E. Gerber, Charles A. Lang, Adam C. Sclafani, Kevin L. Thomas, Vincent L. Weber, Robert S. Wilson, Siu Wai Hui, Wing Leung Ng
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Publication number: 20050039297Abstract: A floor cleaning device comprises a base portion for movement along a surface and a handle portion pivotally connected to the base. The base portion further includes a suction nozzle and a brush assembly for agitating the surface, wherein the brush assembly and the nozzle assembly are in a first position raised off of the surface for vacuuming the surface, and the nozzle assembly is lowered to a second position contacting the surface for collecting and picking up liquid and dirt from the surface. A method of cleaning a surface by first dry vacuuming the surface using a cleaning unit in which the nozzle assembly is raised to pick up particles and then wet vacuuming the floor with the nozzle assembly lowered to collect and pick up dirt from the floor mixed with cleaning solution distributed on the floor.Type: ApplicationFiled: September 28, 2004Publication date: February 24, 2005Inventors: Jeffery Morgan, David Bradshaw, Douglas Gerber, Charles Lang, Adam Sclafani, Kevin Thomas, Vincent Weber, Robert Wilson, Siu Wai Hui, Wing Leung Ng
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Patent number: 6832409Abstract: A floor cleaning device comprises a base portion for movement along a surface and a handle portion pivotally connected to the base. The base portion further includes a suction nozzle and a brush assembly for agitating the surface, wherein the brush assembly and the nozzle assembly are in a first position raised off of the surface for vacuuming the surface, and the nozzle assembly is lowered to a second position contacting the surface for collecting and picking up liquid and dirt from the surface. A method of cleaning a surface by first dry vacuuming the surface using a cleaning unit in which the nozzle assembly is raised to pick up particles and then wet vacuuming the floor with the nozzle assembly lowered to collect and pick up dirt from the floor mixed with cleaning solution distributed on the floor.Type: GrantFiled: September 18, 2001Date of Patent: December 21, 2004Assignee: The Hoover CompanyInventors: Jeffery A. Morgan, David A. Bradshaw, Douglas E. Gerber, Charles A. Lang, Adam C. Sclafani, Kevin L. Thomas, Vincent L. Weber, Robert S. Wilson, Siu Wai Hui, Wing Leung Ng
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Publication number: 20030051309Abstract: An improved floor cleaning device comprises a base portion for movement along a surface and a handle portion pivotally connected to the base. The base portion further includes a suction nozzle and a brush assembly for agitating the surface, wherein the brush assembly and the nozzle assembly are in a first position raised off of the surface for vacuuming said surface, and the nozzle assembly is lowered to a second position contacting the surface for collecting and picking up liquid and dirt from the surface. A method of cleaning a surface by first dry vacuuming the surface using a cleaning unit in which the nozzle assembly is raised to pick up particles and then wet vacuuming the floor with the nozzle assembly lowered to collect and pick up dirt from the floor mixed with cleaning solution distributed on the floor.Type: ApplicationFiled: September 18, 2001Publication date: March 20, 2003Applicant: The Hoover CompanyInventors: Jeffery A. Morgan, David A. Bradshaw, Douglas E. Gerber, Charles A. Lang, Adam C. Sclafani, Kevin L. Thomas, Vincent L. Weber, Robert S. Wilson, Siu Wai Hui, Wing Leung Ng
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Publication number: 20020129010Abstract: A system and method is provided for responding to remotely-entered input from a plurality of technology platforms. An embodiment of the system includes a database that is configured to retrieve data in response to queries that are based on natural language; a first server that is configured to accept remotely-entered first natural-language input from a first technology platform and to determine a first query based on the first natural-language input and to obtain data from the database based on the first query; and a second server that is configured to accept remotely-entered second natural-language input from a second technology platform and to determine a second query based on the second natural-language input and to obtain data from the database based on the second query.Type: ApplicationFiled: December 14, 2000Publication date: September 12, 2002Inventors: Pascale Fung, Wai Kat Liu, Yiu Pong Lai, Wing Leung Ng, Wai Fung Pang, Kwok Leung Lam