Patents Assigned to Patent Category Corp.
  • Patent number: 6264573
    Abstract: Collapsible structures are disclosed having a central panel, a first support panel disengageably connected to the left side of the central panel, and a second support panel disengageably connected to the right: side of the central panel. Each of the central panel and support panels includes a foldable frame member having a folded and an unfolded orientation, and a fabric material substantially covering the frame member.
    Type: Grant
    Filed: February 9, 2000
    Date of Patent: July 24, 2001
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 6220265
    Abstract: Collapsible structures include at least first and second panels, each panel having a foldable frame member that has a folded and an unfolded orientation, and a material covering portions of the frame member when the frame member is in the unfolded orientation. The first panel has a first retaining mechanism that defines an adjustment space, and the second panel has a second retaining mechanism that is movably received inside the adjustment space of the first retaining mechanism to couple the second panel to the first panel. The second retaining mechanism is movable within the adjustment space to allow the relative positions of the first and second panels to be adjusted. Other collapsible structures include at least first and second panels, each panel having a foldable frame member that has a folded and an unfolded orientation, and a material covering portions of the frame member when the frame member is in the unfolded orientation.
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: April 24, 2001
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 6209557
    Abstract: A collapsible structure has first and second wall panels, each wall panel having a foldable frame member having a folded and an unfolded orientation, a frame retaining sleeve for retaining the respective frame member, and a fabric material substantially covering each frame member to form the panel for each frame member when the frame member is in the unfolded orientation. The fabric assumes the unfolded orientation of its associated frame member. The foldable frame member for each wall panel further includes a top side and a bottom side, with the frame retaining sleeve of the first wall panel stitched along the length of its top side to the frame retaining sleeve along the length of the top side of the second wall panel to form a hinged connection.
    Type: Grant
    Filed: April 3, 2000
    Date of Patent: April 3, 2001
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 6192635
    Abstract: Collapsible structures are provided that have a single panel having a foldable frame member having a folded and an unfolded orientation, with a fabric material covering selected portions of the frame member to form the panel when the frame member is in the unfolded orientation, the fabric assuming the unfolded orientation of the frame member. The single panel can further include an amusement feature provided thereon, or can be used as a cover for an object, a pool, pond, box, case or shelter, or can be used as a base with an opening provided in the fabric through which an object can be inserted. The single panels can even be combined to form structures having different configurations and utility.
    Type: Grant
    Filed: April 19, 1999
    Date of Patent: February 27, 2001
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 6155281
    Abstract: A collapsible structure has first and second wall panels, each wall panel having a foldable frame member having a folded and an unfolded orientation, a frame retaining sleeve for retaining the respective frame member, and a fabric material substantially covering each frame member to form the panel for each frame member when the frame member is in the unfolded orientation. The fabric assumes the unfolded orientation of its associated frame member. The foldable frame member for each wall panel further includes a top side and a bottom side, with the frame retaining sleeve of the first wall panel stitched along the length of its top side to the frame retaining sleeve along the length of the top side of the second wall panel to form a hinged connection.
    Type: Grant
    Filed: April 14, 1998
    Date of Patent: December 5, 2000
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 6138701
    Abstract: Collapsible structures are provided having at least two panels, with each of the panels having a flexible loop member defining a closed loop and adapted to assume an expanded position and a collapsed position, a fabric for partially covering the loop member, with the loop member substantially supporting the fabric in particular areas so that the fabric assumes the particular configuration of the loop member when in the expanded position of the loop member. The loop members of two adjacent first and second panels overlap each other at a first overlapping point along first edges of the loop members, and at a second overlapping point along second edges of the loop members, with the overlapping loop members defining a hinge portion about which the two loop members of the first and second panels are pivotable. The structure may include a third loop member having one side which is hingedly connected to one side of the first panel.
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: October 31, 2000
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 6116981
    Abstract: A constructional system provides a plurality of pieces that can be used to assemble an object. The object includes a connector piece having a shaft that includes opposing first and second ends, and a first deformable section including opposing first and second bars extending from the first end of the shaft. A first notch is defined by the first bar and a first shaft edge, and a second notch is defined by the second bar and a second shaft edge, with the first deformable section having a width defined by the opposing first and second bars. The object further includes a first body piece provided with an aperture having a dimension which is smaller than the width of the first deformable section. The opposing first and second bars of the first deformable section of the connector piece are deformed to insert the first deformable section through the aperture to effectuate a connection of the first deformable section with the first body piece at the location of the aperture.
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: September 12, 2000
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 6098349
    Abstract: Collapsible structure are provided having a first base panel and a second panel, each having a foldable frame member that has a folded and an unfolded orientation, and a material partially covering the frame member when the frame member is in the unfolded orientation, with the material assuming the unfolded orientation of its associated frame member. The second panel is flexed so that the first and second panels define an interior space, with the second panel having opposing first and second end edges that are coupled to the outer periphery of the first panel. The second panel can have two or more supporting frame members to allow the collapsible structures to be provided in different configurations and sizes. In addition, the first base panel can be replaced by a fabric or similar piece of material that is coupled to the first and second end edges of the second panel. The second panels can be coupled within, or outside, the outer periphery of the first base panel or fabric.
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: August 8, 2000
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 6092544
    Abstract: Collapsible structures are provided having first and second flexible loop members, each loop member defining a closed loop and having a first edge and an opposing second edge. Each loop member is adapted to assume an expanded position and a collapsed position, with the two loop members overlapping each other at a first overlapping point along the first edges of the loop members, and at a second overlapping point along the second edges of the loop members. The loop members are further adapted to assume a deployed position in which one loop member is disposed at an angle with respect to the other loop member at the overlapping points, and with the loop members further defining six sides when in the deployed position. The structure also includes a flexible wall extending across at least two of the six sides.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: July 25, 2000
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 6082386
    Abstract: Collapsible structures are provided having at least one lower panel, each panel having a foldable frame member having a folded and an unfolded orientation, with a fabric material substantially covering the frame member to form the panel when the frame member is in the unfolded orientation. The fabric assumes the unfolded orientation of its frame member, and each panel further includes a first side, a second side, a bottom side and a top side. The first side of one panel is coupled to the second side of an adjacent panel. The collapsible structure according to the present invention further includes an upper panel having a bottom side coupled to the top side of one of the lower panels. In other embodiments, at least two upper panels are provided, with the upper panels provided above the lower panels. The respective panels can be coupled to each other using stitching and/or detachable connectors, or by crossing the frame members of the panels at adjacent left, right, top or bottom sides.
    Type: Grant
    Filed: December 9, 1998
    Date of Patent: July 4, 2000
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 6073283
    Abstract: A blanket or mat assembly includes a panel having a foldable frame member that has a folded and an unfolded orientation, and a sheet material substantially covering the frame member when the frame member is in the unfolded orientation, with the sheet material assuming the unfolded orientation of its associated frame member. The assembly further includes a covering having a top portion, a peripheral edge, an opening defined by the peripheral edge, and an interior, with the panel retained inside the interior and accessing the interior of the covering via the opening. The covering assumes the configuration of the panel when the panel is retained inside the interior of the covering. The covering and the panel can be twisted and folded to the folded orientation of the frame member to reduce the overall size of the covering and the panel.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: June 13, 2000
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 6073643
    Abstract: Collapsible structures include at least first and second panels, each panel having a foldable frame member that has a folded and an unfolded orientation, and a material covering portions of the frame member when the frame member is in the unfolded orientation, with the material assuming the unfolded orientation of its associated frame member. The first panel has a first retaining mechanism that defines an adjustment space, and the second panel has a second retaining mechanism that is movably received inside the adjustment space of the first retaining mechanism to couple the second panel to the first panel. The second retaining mechanism is movable within the adjustment space to allow the relative positions of the first and second panels to be adjusted.
    Type: Grant
    Filed: September 14, 1998
    Date of Patent: June 13, 2000
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 6045093
    Abstract: A collapsible flying structure includes an enclosed resilient frame member having a folded and an unfolded orientation, a sheet material partially covering the resilient frame member to form the flying structure when the frame member is in the unfolded orientation, and a control string coupled to the structure for controlling the flight of the flying structure. The frame member may be twisted and folded to form a plurality of concentric loops in the folded orientation of the frame member to substantially reduce the size of the flying structure.
    Type: Grant
    Filed: July 17, 1998
    Date of Patent: April 4, 2000
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 6032685
    Abstract: Collapsible structures are provided that include two collapsible flexible loop members, each loop member defining a closed loop and having a first and a second edge. Each loop member is capable of assuming an expanded position and a collapsed position. Two adjacent loop members overlap each other at a first overlapping point along the upper edges of the two adjacent loop members, and at a second overlapping point along the lower edges of the two adjacent loop members. The overlapping loop members define a hinge portion about which the two adjacent loop members are pivotable, with the hinge portion positioned vertically with respect to the ground. One or more fabric pieces are provided for substantially covering each loop member, each loop member substantially supporting the fabric in particular areas so that the fabric assumes the particular configuration of the loop member in its expanded position.
    Type: Grant
    Filed: April 7, 1998
    Date of Patent: March 7, 2000
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 6006772
    Abstract: Collapsible structures are provided for storing objects. These collapsible structures can be easily and quickly folded and collapsed into a compact configuration. The collapsible structures have at least three foldable frame members, each having a folded and an unfolded orientation. A fabric material substantially covers each frame member to form a panel for each frame member when the frame member is in the unfolded orientation, with the fabric assuming the unfolded orientation of its associated frame member.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: December 28, 1999
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 5975358
    Abstract: A toy gun with an integrated target generator is disclosed. A water container is provided to store water and to provide pressurized water as ammunition for the water gun. A bubble generator assembly is provided to generate bubbles that can be used as targets for the water gun. A pump handle is provided to pump air into the water container and to simultaneously actuate the bubble generator assembly. A trigger assembly is provided to allow a user to selectively fire water out of the water gun.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: November 2, 1999
    Assignee: Patent Category Corp
    Inventors: Yu Zheng, Yu-Bing Xia, Zheng Liu
  • Patent number: 5975101
    Abstract: A collapsible structure is provided that includes at least a first panel, a second panel and a third panel. Each panel includes a flexible loop member that is adapted to assume an expanded position and a collapsed position, and a fabric for substantially covering the loop member. The loop members of the first and second panels overlap each other at a first overlapping point along the upper edges of the loop members of the first and second panels, and at a second overlapping point along the bottom edges of the loop members of the first and second panels, with the overlapping loop members defining a hinge portion about which the first and second loop members of the first and second panels are pivotable. One side of the third panel is hingedly connected to either the left side or the right side of the first panel.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: November 2, 1999
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 5941265
    Abstract: Collapsible structures are provided having at least two collapsible flexible loop members, each loop member defining a closed loop and having an upper and a lower edge. Each loop member is capable of assuming an expanded position and a collapsed position. Two adjacent loop members overlap each other at a first overlapping point along the upper edges of the two adjacent loop members, and at a second overlapping point along the lower edges of the two adjacent loop members. The overlapping loop members define a hinge portion about which the two adjacent loop members are pivotable, with the hinge portion positioned vertically with respect to the ground. A fabric is provided for substantially covering each loop member, each loop member substantially supporting the fabric in particular areas so that the fabric assumes the particular configuration of the loop member in its expanded position.
    Type: Grant
    Filed: September 20, 1996
    Date of Patent: August 24, 1999
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 5938496
    Abstract: A constructional system provides a plurality of pieces that can be used to assemble an object. The object includes a connector piece having a shaft that includes opposing first and second ends, and a first deformable section including opposing first and second bars extending from the first end of the shaft. A first notch is defined by the first bar and a first shaft edge, and a second notch is defined by the second bar and a second shaft edge, with the first deformable section having a width defined by the opposing first and second bars. The object further includes a first body piece provided with an aperture having a dimension which is substantially smaller than the width of the first deformable section. The opposing first and second bars of the first deformable section of the connector piece are deformed to insert the first deformable section through the aperture to effectuate a connection of the first deformable section with the first body piece at the location of the aperture.
    Type: Grant
    Filed: November 25, 1996
    Date of Patent: August 17, 1999
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng
  • Patent number: 5910058
    Abstract: Portable play structures are provided that provide fun and entertainment of both adults and children. These structures can be easily and quickly folded and collapsed into a compact configuration. The structure has a backboard having a first loop and a second loop, and a basket having a rim that is hingedly coupled to the backboard. In an operative state, the rim is substantially normal to the backboard. In a compact configuration, the rim is substantially parallel to the backboard. The structure has a weight for anchoring the structure to a support, and a connecting piece for hingedly coupling the weight to the backboard.
    Type: Grant
    Filed: March 17, 1998
    Date of Patent: June 8, 1999
    Assignee: Patent Category Corp.
    Inventor: Yu Zheng