Patents by Inventor Pei Sheng Qian
Pei Sheng Qian 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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Patent number: 6354720Abstract: A portable worklight having at least two base sections that are operable between open and closed positions. The base sections are pivotally connected and when in a closed position, the base sections nest together. When in an open position, the base sections support said worklight in an upright position by providing opposingly located support sections.Type: GrantFiled: March 6, 2001Date of Patent: March 12, 2002Assignee: Regent Lighting CorporationInventors: M. Gary Grossman, Pei Sheng Qian, Brian L. Spitler
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Patent number: 6299326Abstract: A halogen light fixture that houses at least one halogen lamp and is mountable to a support surface. The fixture includes an elongated housing having opposing ends and an interior space in which the halogen light source located. The fixture is mounted to a surface by mounts that secure the fixture to the support surface. The mounts are also opposingly located on the housing and are adapted to releasably engage a plurality of locations on a surface of the housing which causes the housing to tilt is a predetermined manner thereby allowing light to be directionally positioned.Type: GrantFiled: July 25, 2000Date of Patent: October 9, 2001Assignee: Regent Lighting CorporationInventors: Don Andrus, Brian L. Spitler, Pei Sheng Qian
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Publication number: 20010009515Abstract: A portable worklight having at least two base sections that are operable between open and closed positions. The base sections are pivotally connected and when in a closed position, the base sections nest together. When in an open position, the base sections support said worklight in an upright position by providing opposingly located support sections.Type: ApplicationFiled: March 6, 2001Publication date: July 26, 2001Inventors: M. Gary Grossman, Pei Sheng Qian, Brian L. Spitler
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Patent number: 6231215Abstract: A halogen shop light having an elongated housing defining an interior space and mountable to a support surface and which includes an external receptacle. The light also includes a light source comprised of a housing, handle, lens, halogen lamp, and outwardly extending post which terminates in a ball like free end. A second post extending from the housing is also provided. The second post has inner and outer sleeves which are rotatably connected. There is also a socket in the second post which receives the ball-like free end to form an universally rotatable ball and socket connection. Wiring for energizing the lamp and the external receptacle is further provided and the wiring is placed in a channel which travels through the posts and ball.Type: GrantFiled: June 15, 1999Date of Patent: May 15, 2001Assignee: Regent Lighting CorporationInventors: Brian L. Spitler, Pei Sheng Qian
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Patent number: 6220728Abstract: A worklight mounting system having a post extending from a support and a light having a catch. The post is insertable into the catch and is releasably secured within the catch by the coaction between a groove and at least one roller. The coaction there between prevents axial movement while permitting rotational movement there between.Type: GrantFiled: July 21, 1999Date of Patent: April 24, 2001Assignee: Regent Lighting CorporationInventors: Don Andrus, Pei Sheng Qian
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Patent number: 6213626Abstract: A dual purpose light that may be configured as both a floor-type worklight and as an elevated stand light. The present invention provides a light stand which has a threaded post on its terminal end that is adapted to receive a light housing having a pair of pivotal support legs. When the leg are in an open position, they support the light housing on a support surface in a non-elevated position. When in a closed position, the legs are co-extensively arranged with a common aperture that accepts the thread post on the stand for affixing the light housing to the stand for use in an elevated position.Type: GrantFiled: June 7, 1999Date of Patent: April 10, 2001Assignee: Regent Lighting CorporationInventor: Pei Sheng Qian
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Patent number: 6176593Abstract: A portable worklight having a protective outer casing which encloses the contents of the light. The outer casing includes first and second housings which are operable between open and closed positions. When in a closed position, the working components of the light, including the lens, grill, and light source are enclosed by the two housings. In an open position, the second housing acts as a base which holds the worklight in an upright position.Type: GrantFiled: May 26, 1999Date of Patent: January 23, 2001Assignee: Regent Lighting CorporationInventors: Brian L. Spitler, Pei Sheng Qian, M. Gary Grossman
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Patent number: 6132061Abstract: A halogen light fixture that houses at least one halogen lamp and is mountable to a support surface. The fixture includes an elongated housing having opposing ends and an interior space in which the halogen light source located. The fixture is mounted to a surface by mounts that secure the fixture to the support surface. The mounts are also opposingly located on the housing and are adapted to releasably engage a plurality of locations on a surface of the housing which causes the housing to tilt is a predetermined manner thereby allowing light to be directionally positioned.Type: GrantFiled: October 22, 1998Date of Patent: October 17, 2000Assignee: Regent Lighting CorporationInventors: Don Andrus, Brian L. Spitler, Pei Sheng Qian
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Patent number: 5964524Abstract: The invention is a worklight and stand having a multi-legged support and a main pole consisting of three segments. The leg support increases the stand's overall resistance to tipping as well as increases the stand's load resistance. The worklight is adjustable, allowing for the aiming of light in multiple directions. The ability to break the main pole into three segments allows for the storage or packaging of the stand within a container of smaller dimension than necessary for a stand of only two segments.Type: GrantFiled: April 7, 1998Date of Patent: October 12, 1999Assignee: Regent Lighting CorporationInventor: Pei Sheng Qian
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Patent number: D437071Type: GrantFiled: February 18, 2000Date of Patent: January 30, 2001Assignee: Regent Lighting CorporationInventors: Donald C. Andrus, Pei Sheng Qian
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Patent number: D413996Type: GrantFiled: May 21, 1998Date of Patent: September 14, 1999Assignee: Regent Lighting CorporationInventors: Don Andrus, Pei Sheng Qian
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Patent number: D417031Type: GrantFiled: January 30, 1997Date of Patent: November 23, 1999Assignee: Regent Lighting CorporationInventors: Donald W. Joyner, Pei Sheng Qian