Patents by Inventor Guang Qing Li
Guang Qing Li 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: 10912707Abstract: A massage device that includes a housing, an electrical input, a motor, a switch in electrical communication with the electrical input and the motor and configured to selectively provide power from the electrical input to the motor, an actuated output operatively connected to the motor and configured to reciprocate in response to activation of the motor, and a treatment structure operatively connected to a distal end of the actuated output. The actuated output is configured to reciprocate the treatment structure at a frequency of between about 15 Hz and about 100 Hz, and at an amplitude of between about 0.15 and about 1.0 inches. The combination of amplitude and frequency provides efficient reciprocation of the treatment structure such that the treatment structure provides therapeutically beneficial treatment to a targeted muscle of a user.Type: GrantFiled: March 19, 2019Date of Patent: February 9, 2021Assignee: THERAGUN, INC.Inventors: Jason Wersland, Benjamin Nazarian, Geert Ensing, Guang Qing Li, Robert Firth, Andrew Linton, Andrew Cooper, Michael Waldron
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Patent number: 10357425Abstract: A massage device that includes a housing, an electrical input, a motor, a switch in electrical communication with the electrical input and the motor and configured to selectively provide power from the electrical input to the motor, an actuated output operatively connected to the motor and configured to reciprocate in response to activation of the motor, and a treatment structure operatively connected to a distal end of the actuated output. The actuated output is configured to reciprocate the treatment structure at a frequency of between about 15 Hz and about 100 Hz, and at an amplitude of between about 0.15 and about 1.0 inches. The combination of amplitude and frequency provides efficient reciprocation of the treatment structure such that the treatment structure provides therapeutically beneficial treatment to a targeted muscle of a user.Type: GrantFiled: March 13, 2018Date of Patent: July 23, 2019Assignee: THERAGUN, LLCInventors: Jason Wersland, Benjamin Nazarian, Geert Ensing, Guang Qing Li, Robert Firth, Andrew Linton, Andrew Cooper, Michael Waldron
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Publication number: 20190209424Abstract: A massage device that includes a housing, an electrical input, a motor, a switch in electrical communication with the electrical input and the motor and configured to selectively provide power from the electrical input to the motor, an actuated output operatively connected to the motor and configured to reciprocate in response to activation of the motor, and a treatment structure operatively connected to a distal end of the actuated output. The actuated output is configured to reciprocate the treatment structure at a frequency of between about 15 Hz and about 100 Hz, and at an amplitude of between about 0.15 and about 1.0 inches. The combination of amplitude and frequency provides efficient reciprocation of the treatment structure such that the treatment structure provides therapeutically beneficial treatment to a targeted muscle of a user.Type: ApplicationFiled: March 19, 2019Publication date: July 11, 2019Inventors: Jason Wersland, Benjamin Nazarian, Geert Ensing, Guang Qing Li, Robert Firth, Andrew Linton, Andrew Cooper, Michael Waldron
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Publication number: 20180263845Abstract: A reciprocating treatment device. The reciprocating treatment device includes a housing, a motor connected to the housing, and an actuated output. The housing includes a handle located on the housing. The handle has a handle axis. The actuated output is operably connected to the motor. The actuated output is configured to reciprocate in response to activation of the motor. Reciprocation of the actuated output is along a reciprocation axis. The motor includes a shaft having a shaft rotation axis. The shaft rotation axis is parallel to a plane in which the handle axis and the reciprocation axis are located.Type: ApplicationFiled: March 14, 2017Publication date: September 20, 2018Inventors: Jason Wersland, Benjamin Nazarian, Geert Ensing, Guang Qing Li, Robert Firth, Andrew Linton, Andrew Cooper, Michael Waldron
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Publication number: 20180200141Abstract: A massage device that includes a housing, an electrical input, a motor, a switch in electrical communication with the electrical input and the motor and configured to selectively provide power from the electrical input to the motor, an actuated output operatively connected to the motor and configured to reciprocate in response to activation of the motor, and a treatment structure operatively connected to a distal end of the actuated output. The actuated output is configured to reciprocate the treatment structure at a frequency of between about 15 Hz and about 100 Hz, and at an amplitude of between about 0.15 and about 1.0 inches. The combination of amplitude and frequency provides efficient reciprocation of the treatment structure such that the treatment structure provides therapeutically beneficial treatment to a targeted muscle of a user.Type: ApplicationFiled: March 13, 2018Publication date: July 19, 2018Inventors: Jason Wersland, Benjamin Nazarian, Geert Ensing, Guang Qing Li, Robert Firth, Andrew Linton, Andrew Cooper, Michael Waldron
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Publication number: 20160215070Abstract: The present invention discloses a cellulose derivative shown as formula (I), which is obtained as follows: the hydroxyl at position 6 of microcrystalline cellulose is protected with triphenylchloromethane, and then reacted with acyl chloride or isocyanate. After the protection of the hydroxyl at positions 2 and 3 of microcrystalline cellulose, triphenylmethyl is removed under acidic conditions to expose the hydroxyl at position 6. Finally, the hydroxyl at position 6 is chiral derivatized with amino acid acyl chloride or polypeptide acyl chloride, to obtain a micro chiral regulation cellulose derivative. The micro chiral regulation cellulose derivative thus obtained is coated onto the surface of a silica gel support, to form a chiral stationary phase, which is filled in a stainless steel column to form a chiral column for the separation of various different types of chiral compounds. The preparation method of the present invention is not only efficient and convenient, but also safe and reliable.Type: ApplicationFiled: May 29, 2015Publication date: July 28, 2016Inventors: Aidong Wen, Guang Qing Li, Xiaoli Sun, Guohui Ma, Yanyan Jia
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Patent number: 7628915Abstract: A composition for use in chromatography is provided comprising a substrate modified with a metal-cyano bonded phase. This novel cyano bonded phase provides superior performance in high performance liquid chromatography (HPLC) and provides superior selectivity, improved peak shape for basic analytes, and the ability of provide rapid separation with outstanding resolution. The composition exhibits improved storage stability, and is chemically stable over a range of pH from 1.5 to 7.5 mobile phase conditions and for more than 2000 multiple injections. A baseline separation of eight tricyclic antidepressants was achieved in less than four minutes using an isocratic mobile phase with the metal-cyano bonded phase of the present invention, compared to the long retention times and poor separation observed for traditional cyano bonded phase. The composition of this invention is particularly useful in a wide variety of chromatographic applications.Type: GrantFiled: December 8, 2006Date of Patent: December 8, 2009Assignee: Varian, Inc.Inventors: Guang Qing Li, Yonglong Andrew Li
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Publication number: 20080135485Abstract: A composition for use in chromatography is provided comprising a substrate modified with a metal-cyano bonded phase. This novel cyano bonded phase provides superior performance in high performance liquid chromatography (HPLC) and provides superior selectivity, improved peak shape for basic analytes, and the ability of provide rapid separation with outstanding resolution. The composition exhibits improved storage stability, and is chemically stable over a range of pH from 1.5 to 7.5 mobile phase conditions and for more than 2000 multiple injections. A baseline separation of eight tricyclic antidepressants was achieved in less than four minutes using an isocratic mobile phase with the metal-cyano bonded phase of the present invention, compared to the long retention times and poor separation observed for traditional cyano bonded phase. The composition of this invention is particularly useful in a wide variety of chromatographic applications.Type: ApplicationFiled: December 8, 2006Publication date: June 12, 2008Inventors: Guang Qing Li, Yonglong Andrew Li