Patents by Inventor Lun Chai
Lun Chai 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: 9150197Abstract: The present invention discloses a wiper blade, comprising a frame type long strip skeleton, a connector to be connected to a wiper arm of an automobile and a rubber strip. The skeleton includes one elastic main beam. The body of the main beam has a curved locus, continuous concave downward curve, both end portions of the main beam register with the curved locus and a middle portion of the main beam registers with or deviates from the curved locus. The skeleton includes one or two elastic sub beams, located below and approximately parallel to the main beam which supports the rubber strip. Between the main beam and the sub beams is a means to constitute various frame structures or to adjust a distance between them so that the pressure applied along the entire length of the wiper blade to a windshield can be distributed evenly as far as possible.Type: GrantFiled: February 6, 2012Date of Patent: October 6, 2015Assignee: Winplus Company LimitedInventors: Yuhua Wang, Lun Chai
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Publication number: 20130067679Abstract: The present invention discloses a wiper blade, comprising a frame type long strip skeleton, a connector to be connected to a wiper arm of an automobile and a rubber strip. The skeleton includes one elastic main beam. The body of the main beam has a curved locus, continuous concave downward curve, both end portions of the main beam register with the curved locus and a middle portion of the main beam registers with or deviates from the curved locus. The skeleton includes one or two elastic sub beams, located below and approximately parallel to the main beam which supports the rubber strip. Between the main beam and the sub beams is a means to constitute various frame structures or to adjust a distance between them so that the pressure applied along the entire length of the wiper blade to a windshield can be distributed evenly as far as possible.Type: ApplicationFiled: February 6, 2012Publication date: March 21, 2013Applicant: WINPLUS COMPANY LIMITEDInventors: Yuhua Wang, Lun Chai
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Patent number: 8369902Abstract: The present invention discloses a combined apparatus of a Bluetooth earset and a charging dock, characterized in that the combined apparatus comprises the Bluetooth earset and the charging dock which can be connected to a power supply, said charging dock comprising a main body portion, and one end of the charging dock is an electrical connection portion which is connected to a DC power supply, and the other end of the charging dock is a holding cavity portion for fixing the Bluetooth earset, and electric contacts in the holding cavity portion are adapted to electric contacts on a bottom end of the Bluetooth earset.Type: GrantFiled: May 16, 2008Date of Patent: February 5, 2013Assignee: Winplus Company LimitedInventors: Yuhua Wang, Lun Chai
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Patent number: 8116832Abstract: The invention relates to a combined apparatus of a phone holder and a wireless earset. The combined apparatus includes a phone holder and a wireless earset used cooperatively with a mobile phone. The phone holder includes a backplate, a bottom plate, a left holding arm, a right holding arm and a mounting structure. The wireless earset includes a casing, an earphone and a microphone. A holding device for holding the wireless earset is provided on the left holding arm or the right holding arm or the backplate of the phone holder.Type: GrantFiled: October 24, 2007Date of Patent: February 14, 2012Assignee: Winplus Company LimitedInventors: Yuhua Wang, Lun Chai
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Patent number: 8096486Abstract: An air freshener of the invention includes a rotating box, a fixed base disposed on the rotating box, the rotating box rotating with respect to the fixed base, and a perfume box filled with a perfume, which can rotate with the rotating box. The rotating box has an annular shape in cross section and has an internal space for receiving and embedding the perfume box therein. Air holes are formed in the fixed base for exposing a portion of the perfume box when the rotating box is rotated with respect to the fixed base. The air freshener of the invention is applicable to be used inside a car or a room, and is capable of both refreshing the air and adjusting the release amount of the diffused perfume vapor.Type: GrantFiled: February 12, 2007Date of Patent: January 17, 2012Assignee: Winplus Company LimitedInventors: Yuhua Wang, Lun Chai
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Publication number: 20110148352Abstract: A holder for holding and charging a mobile phone and bluetooth earset includes phone holder and earset stand portions. The phone holder portion includes a back plate, left and right holding arms attached to the back plate, left and right extension arms, a bottom member and bottom legs. The earset stand portion includes an earset stand back plate, an earset stand bottom piece, rim plate, and holding device, the earset stand portion being attached to the left or right holding arm or the left or right extension arm thereof in an integral or split manner. The holder further includes a holding cavity in a back surface of the back plate, a plug to receive power from an automobile, and a converting device which converts the received power into a direct current for charging the mobile phone and bluetooth earset.Type: ApplicationFiled: August 20, 2009Publication date: June 23, 2011Inventors: Yuhua Wang, Lun Chai
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Patent number: 7845581Abstract: An air freshener of the invention includes a slideable box molded from thermoplastics, a holding jacket, a fixing device, and an essence box made of plastics and filled with liquid essence. The air freshener of the invention can be used inside a car or a room, and is capable of adjusting the release rate of the diffused essence gas.Type: GrantFiled: September 28, 2006Date of Patent: December 7, 2010Assignee: Winplus Company LimitedInventors: Yuhua Wang, Lun Chai
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Publication number: 20100210314Abstract: The present invention discloses a combined apparatus of a Bluetooth earset and a charging dock, characterized in that the combined apparatus comprises the Bluetooth earset and the charging dock which can be connected to a power supply, said charging dock comprising a main body portion, and one end of the charging dock is an electrical connection portion which is connected to a DC power supply, and the other end of the charging dock is a holding cavity portion for fixing the Bluetooth earset, and electric contacts in the holding cavity portion are adapted to electric contacts on a bottom end of the Bluetooth earset.Type: ApplicationFiled: May 16, 2008Publication date: August 19, 2010Applicant: WINPLUS COMPANY LIMITEDInventors: Yuhua Wang, Lun Chai
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Publication number: 20100112948Abstract: The invention discloses a a Bluetooth earset comprising: a main body portion which has a built-in microphone; an earphone portion which is attached to the main body portion; and a connecting device which connects the main body portion to the earphone portion, wherein the earphone portion is held on the main body portion by the connecting device and the connecting device has a rotating or twisting mechanism which changes state of the earphone portion by causing the earphone portion to be rotated or twisted between a store state and a using state with respect to the main body portion.Type: ApplicationFiled: April 11, 2008Publication date: May 6, 2010Applicant: WINPLUS COMPANY LIMITEDInventors: Yuhua Wang, Lun Chai
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Publication number: 20100069130Abstract: The invention relates to a combined apparatus of a phone holder and a wireless earset. The combined apparatus includes a phone holder and a wireless earset used cooperatively with a mobile phone. The phone holder includes a backplate, a bottom plate, a left holding arm, a right holding arm and a mounting structure. The wireless earset includes a casing, an earphone and a microphone. A holding device for holding the wireless earset is provided on the left holding arm or the right holding arm or the backplate of the phone holder.Type: ApplicationFiled: October 24, 2007Publication date: March 18, 2010Applicant: WINPLUS COMPANY LIMITEDInventors: Yuhua Wang, Lun Chai
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Publication number: 20090230210Abstract: An air freshener of the invention includes a slideable box molded from thermoplastics, a holding jacket, a fixing device, and an essence box made of plastics and filled with liquid essence. The air freshener of the invention can be used inside a car or a room, and is capable of adjusting the release rate of the diffused essence gas.Type: ApplicationFiled: September 28, 2006Publication date: September 17, 2009Applicant: WINPLUS COMPANY LIMITEDInventors: Yuhua Wang, Lun Chai
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Publication number: 20090010813Abstract: An air freshener of the invention includes a rotating box, a fixed base disposed on the rotating box, the rotating box rotating with respect to the fixed base, and a perfume box filled with a perfume, which can rotate with the rotating box. The rotating box has an annular shape in cross section and has an internal space for receiving and embedding the perfume box therein. Air holes are formed in the fixed base for exposing a portion of the perfume box when the rotating box is rotated with respect to the fixed base. The air freshener of the invention is applicable to be used inside a car or a room, and is capable of both refreshing the air and adjusting the release amount of the diffused perfume vapor.Type: ApplicationFiled: February 12, 2007Publication date: January 8, 2009Applicant: WINPLUS COMPANY LIMITEDInventors: Yuhua Wang, Lun Chai
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Publication number: 20080295640Abstract: This invention relates to a cover of steering wheel. The main body of the cover is a sleeve (2) made of elastic rubber or soft thermoplastic materials. A coat (3) covering the sleeve (2) is made of textile materials or leather materials. The cover (1) is provided with a cut (4) at its circumference, and a pair of connecting and securing components (5) are mounted at the two ends of the cut (4) respectively for tightening and locking the two ends of the cut (4).Type: ApplicationFiled: August 21, 2006Publication date: December 4, 2008Inventors: Yuhua Wang, Lun Chai
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Publication number: 20050253411Abstract: A sunshade has a shade and at least two supports, with each support having a second end that is coupled to the shade at spaced-apart locations thereof. The sunshade also has a connector coupled to the first end of each support, the connector having a central portion that has a groove, and a leaf for coupling the first end of each support. The leaf is hingedly connected to the central portion by an integral thin section and has a locking member fitted inside the groove to hold the leaf at a fixed position with respect to the central portion. Each support of the sunshade can also have an adjustable length.Type: ApplicationFiled: June 10, 2005Publication date: November 17, 2005Inventors: Lun Chai, Tsang Chai
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Patent number: 6904923Abstract: A sunshade has a shade and at least two supports, with each support having a second end that is coupled to the shade at spaced-apart locations thereof. The sunshade also has a connector coupled to the first end of each support, the connector having a central portion that has a groove, and a leaf for coupling the first end of each support. The leaf is hingedly connected to the central portion by an integral thin section and has a locking member fitted inside the groove to hold the leaf at a fixed position with respect to the central portion. Each support of the sunshade can also have an adjustable length.Type: GrantFiled: February 7, 2002Date of Patent: June 14, 2005Assignee: Quantum Auto (Hong Kong) LimitedInventors: Lun Chai, Tsang To Chai
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Publication number: 20020092553Abstract: A sunshade has a shade and at least two supports, with each support having a second end that is coupled to the shade at spaced-apart locations thereof. The sunshade also has a connector coupled to the first end of each support, the connector having a central portion that has a groove, and a leaf for coupling the first end of each support. The leaf is hingedly connected to the central portion by an integral thin section and has a locking member fitted inside the groove to hold the leaf at a fixed position with respect to the central portion. Each support of the sunshade can also have an adjustable length.Type: ApplicationFiled: February 7, 2002Publication date: July 18, 2002Inventors: Lun Chai, Tsang To Chai
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Patent number: 6357461Abstract: A sunshade has a shade and at least two supports, with each support having a second end that is coupled to the shade at spaced-apart locations thereof. The sunshade also has a connector coupled to the first end of each support, the connector having a central portion that has a groove, and a leaf for coupling the first end of each support. The leaf is hingedly connected to the central portion by an integral thin section and has a locking member fitted inside the groove to hold the leaf at a fixed position with respect to the central portion. Each support of the sunshade can also have an adjustable length.Type: GrantFiled: August 16, 1999Date of Patent: March 19, 2002Assignee: Quantum Auto (Hong Kong) LimitedInventors: Lun Chai, Tsang To Chai
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Patent number: 6116256Abstract: A collapsible sun shade, including: a shade; at least two supports, each support having a first end and a second end, with the second end of each support coupled to the shade at spaced-apart locations thereof; and a connector coupled to the first end of each support; wherein the shade is adapted to assume an unstable equilibrium position in which the supports and the shade are substantially coplanar with the connector, a collapsed position when the shade and supports are on one side of the unstable equilibrium position in which the shade is folded, and a deployed position when the shade and supports are on the other side of the unstable equilibrium position in which the supports and the shade are expanded.Type: GrantFiled: July 21, 1998Date of Patent: September 12, 2000Assignee: Quantum Auto (Hong Kong) LimitedInventors: Rayman James Pawsey, Christopher Collins, Lun Chai, Dan Sheehan