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).

  • Patent number: 9150197
    Abstract: 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: Grant
    Filed: February 6, 2012
    Date of Patent: October 6, 2015
    Assignee: Winplus Company Limited
    Inventors: Yuhua Wang, Lun Chai
  • Publication number: 20130067679
    Abstract: 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: Application
    Filed: February 6, 2012
    Publication date: March 21, 2013
    Applicant: WINPLUS COMPANY LIMITED
    Inventors: Yuhua Wang, Lun Chai
  • Patent number: 8369902
    Abstract: 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: Grant
    Filed: May 16, 2008
    Date of Patent: February 5, 2013
    Assignee: Winplus Company Limited
    Inventors: Yuhua Wang, Lun Chai
  • Patent number: 8116832
    Abstract: 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: Grant
    Filed: October 24, 2007
    Date of Patent: February 14, 2012
    Assignee: Winplus Company Limited
    Inventors: Yuhua Wang, Lun Chai
  • Patent number: 8096486
    Abstract: 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: Grant
    Filed: February 12, 2007
    Date of Patent: January 17, 2012
    Assignee: Winplus Company Limited
    Inventors: Yuhua Wang, Lun Chai
  • Publication number: 20110148352
    Abstract: 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: Application
    Filed: August 20, 2009
    Publication date: June 23, 2011
    Inventors: Yuhua Wang, Lun Chai
  • Patent number: 7845581
    Abstract: 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: Grant
    Filed: September 28, 2006
    Date of Patent: December 7, 2010
    Assignee: Winplus Company Limited
    Inventors: Yuhua Wang, Lun Chai
  • Publication number: 20100210314
    Abstract: 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: Application
    Filed: May 16, 2008
    Publication date: August 19, 2010
    Applicant: WINPLUS COMPANY LIMITED
    Inventors: Yuhua Wang, Lun Chai
  • Publication number: 20100112948
    Abstract: 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: Application
    Filed: April 11, 2008
    Publication date: May 6, 2010
    Applicant: WINPLUS COMPANY LIMITED
    Inventors: Yuhua Wang, Lun Chai
  • Publication number: 20100069130
    Abstract: 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: Application
    Filed: October 24, 2007
    Publication date: March 18, 2010
    Applicant: WINPLUS COMPANY LIMITED
    Inventors: Yuhua Wang, Lun Chai
  • Publication number: 20090230210
    Abstract: 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: Application
    Filed: September 28, 2006
    Publication date: September 17, 2009
    Applicant: WINPLUS COMPANY LIMITED
    Inventors: Yuhua Wang, Lun Chai
  • Publication number: 20090010813
    Abstract: 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: Application
    Filed: February 12, 2007
    Publication date: January 8, 2009
    Applicant: WINPLUS COMPANY LIMITED
    Inventors: Yuhua Wang, Lun Chai
  • Publication number: 20080295640
    Abstract: 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: Application
    Filed: August 21, 2006
    Publication date: December 4, 2008
    Inventors: Yuhua Wang, Lun Chai
  • Publication number: 20050253411
    Abstract: 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: Application
    Filed: June 10, 2005
    Publication date: November 17, 2005
    Inventors: Lun Chai, Tsang Chai
  • Patent number: 6904923
    Abstract: 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: Grant
    Filed: February 7, 2002
    Date of Patent: June 14, 2005
    Assignee: Quantum Auto (Hong Kong) Limited
    Inventors: Lun Chai, Tsang To Chai
  • Publication number: 20020092553
    Abstract: 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: Application
    Filed: February 7, 2002
    Publication date: July 18, 2002
    Inventors: Lun Chai, Tsang To Chai
  • Patent number: 6357461
    Abstract: 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: Grant
    Filed: August 16, 1999
    Date of Patent: March 19, 2002
    Assignee: Quantum Auto (Hong Kong) Limited
    Inventors: Lun Chai, Tsang To Chai
  • Patent number: 6116256
    Abstract: 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: Grant
    Filed: July 21, 1998
    Date of Patent: September 12, 2000
    Assignee: Quantum Auto (Hong Kong) Limited
    Inventors: Rayman James Pawsey, Christopher Collins, Lun Chai, Dan Sheehan