Patents by Inventor Hongjian XU

Hongjian XU 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: 11937588
    Abstract: A folding dip net fixed with two fulcrums comprises a net rod and a net rack. A connecting part and a lock catch are disposed at a front end of the net rod. A tail end of the net rack is mounted on two sides of the connecting part through rotating shafts. The lock catch is slidably connected to the net rod and locks the tail end of the net rack when the net rack is unfolded. Clamping grooves are formed in the two sides of the connecting part and are communicated with a bottom surface of the connecting part. The clamping grooves are of an arc structure and become narrower gradually from bottom to top. Support parts are disposed on the two sides of the connecting part and are located above the clamping grooves. Protrusions are disposed on the net rack and are located on the two sides of the connecting part.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: March 26, 2024
    Assignee: HANGZHOU FUFAN INDUSTRY CO., LTD.
    Inventor: Hongjian Xu
  • Publication number: 20230404048
    Abstract: A folding dip net fixed with two fulcrums comprises a net rod and a net rack. A connecting part and a lock catch are disposed at a front end of the net rod. A tail end of the net rack is mounted on two sides of the connecting part through rotating shafts. The lock catch is slidably connected to the net rod and locks the tail end of the net rack when the net rack is unfolded. Clamping grooves are formed in the two sides of the connecting part and are communicated with a bottom surface of the connecting part. The clamping grooves are of an arc structure and become narrower gradually from bottom to top. Support parts are disposed on the two sides of the connecting part and are located above the clamping grooves. Protrusions are disposed on the net rack and are located on the two sides of the connecting part.
    Type: Application
    Filed: June 15, 2022
    Publication date: December 21, 2023
    Inventor: HONGJIAN XU
  • Patent number: 11357220
    Abstract: A dip net provided with lockable hoops capable of being folded leftwards and rightwards comprises a net rod, a hoop mounting base mounted on the net rod, and hoops including a left hoop and a right hoop, wherein mounting plates are arranged on the left side and the right side of the hoop mounting base, and two rotary bases are arranged at the rear end of the left hoop and the rear end of the right hoop and are hinged to the mounting plates through rotary shafts. The left hoop and the right hoop can be folded and are independently connected to the hoop mounting base, so that assembly is convenient; and the size can be reduced for transportation and carrying, so that carrying storage are facilitated.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: June 14, 2022
    Assignee: HANGZHOU FUFAN INDUSTRY CO., LTD.
    Inventors: Hongjian Xu, Shu Lin, Linrong Hong, Huihai Ge, Xiong Li
  • Patent number: 11344010
    Abstract: A dip net provided with a lockable and foldable handle comprises a handle, a hoop and a hoop mounting base, wherein the hoop mounting base is fixed to the front end of the handle and comprises a base body, a rotary shaft and a lock device; and the rotary shaft and the lock device are both mounted in the base body; connecting pieces are arranged at two ends of the rear side of the hoop and are respectively connected with two ends of the rotary shaft; the rotary shaft is provided with two clamping grooves in a circumferential direction; when the handle is unfolded, the lock device is matched with one clamping groove to realize locking; and when the handle is folded, the lock device is matched with the other clamping groove to realize locking. The dip net of the invention is more convenient to use and capable of saving time and labor.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: May 31, 2022
    Assignee: HANGZHOU FUFAN INDUSTRY CO., LTD.
    Inventors: Hongjian Xu, Shu Lin, Linrong Hong, Huihai Ge, Xiong Li
  • Patent number: 11166443
    Abstract: A foldable dip net includes a handle, a connector and a net rack, wherein the handle comprises a U-shaped support connected with a handle lever and an arm rest plate; the connector has a mounting base body and a lock structure, and a light-emitting unit is arranged in the mounting base body; the net rack is hinged to the mounting base body through a rotary pin, and a clamping groove is formed in the side wall of the rotary pin and is matched with the lock structure.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: November 9, 2021
    Assignee: HANGZHOU FUFAN INDUSTRY CO., LTD.
    Inventors: Hongjian Xu, Shu Lin, Linrong Hong, Huihai Ge
  • Publication number: 20200404893
    Abstract: A dip net provided with a lockable and foldable handle comprises a handle, a hoop and a hoop mounting base, wherein the hoop mounting base is fixed to the front end of the handle and comprises a base body, a rotary shaft and a lock device; and the rotary shaft and the lock device are both mounted in the base body; connecting pieces are arranged at two ends of the rear side of the hoop and are respectively connected with two ends of the rotary shaft; the rotary shaft is provided with two clamping grooves in a circumferential direction; when the handle is unfolded, the lock device is matched with one clamping groove to realize locking; and when the handle is folded, the lock device is matched with the other clamping groove to realize locking. The dip net of the invention is more convenient to use and capable of saving time and labor.
    Type: Application
    Filed: June 26, 2019
    Publication date: December 31, 2020
    Inventors: HONGJIAN XU, SHU LIN, LINRONG HONG, HUIHAI GE, XIONG LI
  • Publication number: 20200359611
    Abstract: A dip net provided with lockable hoops capable of being folded leftwards and rightwards comprises a net rod, a hoop mounting base mounted on the net rod, and hoops including a left hoop and a right hoop, wherein mounting plates are arranged on the left side and the right side of the hoop mounting base, and two rotary bases are arranged at the rear end of the left hoop and the rear end of the right hoop and are hinged to the mounting plates through rotary shafts. The left hoop and the right hoop can be folded and are independently connected to the hoop mounting base, so that assembly is convenient; and the size can be reduced for transportation and carrying, so that carrying storage are facilitated.
    Type: Application
    Filed: June 26, 2019
    Publication date: November 19, 2020
    Inventors: HONGJIAN XU, SHU LIN, LINRONG HONG, HUIHAI GE, XIONG LI
  • Publication number: 20200163317
    Abstract: A special-shaped dip net provided with an external handle comprises a net rack, a dip net rod and a handle, wherein a dip net rod mounting base is arranged at the tail end of the net rack and is provided with a first lock structure; the dip net rod penetrates through the dip net rod mounting base, clamping grooves matched with the first lock structure are separately formed in the front end and the rear end of the dip net rod, and the dip net rod is locked on the dip net rod mounting base through the first lock structure; the handle comprises two connecting parts and a handheld part, the two connecting parts are symmetrically fixed to the left and the right side of the dip net rod mounting base and incline upwards from back to front, and the handheld part has two ends fixed to the connecting parts on the two sides and is higher than the dip net rod. The dip net rod and the handle are cooperatively used for scooping fish, the dip net can be lifted more easily, and the dip net rod is not prone to deformation.
    Type: Application
    Filed: December 27, 2018
    Publication date: May 28, 2020
    Inventors: HONGJIAN XU, SHU LIN, LINRONG HONG, HUIHAI GE
  • Publication number: 20200163318
    Abstract: Disclosed is a foldable dip net provided with a handle and a method for using the same. The foldable dip net comprises a handle, a connector and a net rack, wherein the handle comprises a U-shaped support, a handle lever is arranged at the front end of the U-shaped support, and an arm rest plate is arranged on the tail end of the U-shaped support; the connector comprises a mounting base body fixed to the forefront of the U-shaped support and provided with a lock structure, and a light-emitting unit is arranged in the mounting base body; the tail end of the net rack is hinged to the mounting base body through a rotary pin, and a clamping groove is formed in the side wall of the rotary pin and is matched with the lock structure.
    Type: Application
    Filed: December 27, 2018
    Publication date: May 28, 2020
    Inventors: HONGJIAN XU, SHU LIN, LINRONG HONG, HUIHAI GE
  • Publication number: 20190053475
    Abstract: The present invention discloses an internal folding fish dip net including a net ring connecting piece, a handle, a folding main frame, a net pipe and a locking structure. The folding main frame includes a first folding main frame body and a second folding main frame body, and the locking structure is connected to the handle; the folding main frame further includes a directional shaft sleeve, the directional shaft sleeve is fixed in the first folding main frame body, the second folding main frame body is connected to the directional shaft sleeve in a sleeving mode and rotatably mounted on the directional shaft sleeve, and the handle is mounted in the directional shaft sleeve; a main frame hole is formed in the second folding main frame body, a directional hole is formed in the directional shaft sleeve.
    Type: Application
    Filed: November 14, 2017
    Publication date: February 21, 2019
    Applicant: Hangzhou Fufan Industrial Co. Ltd.
    Inventor: Hongjian XU
  • Patent number: D855148
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: July 30, 2019
    Assignee: Hanghou Fufan Industrial Co. Ltd.
    Inventor: Hongjian Xu
  • Patent number: D884118
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: May 12, 2020
    Assignee: HANGZHOU FUFAN INDUSTRY CO., LTD.
    Inventors: Hongjian Xu, Shu Lin, Linrong Hong, Huihai Ge
  • Patent number: D884826
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: May 19, 2020
    Assignee: HANGZHOU FUFAN INDUSTRY CO., LTD.
    Inventors: Hongjian Xu, Shu Lin, Linrong Hong, Huihai Ge
  • Patent number: D901618
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: November 10, 2020
    Assignee: HANGZHOU FUFAN INDUSTRY CO., LTD.
    Inventors: Hongjian Xu, Shu Lin, Linrong Hong, Huihai Ge, Xiong Li
  • Patent number: D902342
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: November 17, 2020
    Assignee: HANGZHOU FUFAN INDUSTRY CO., LTD.
    Inventors: Hongjian Xu, Shu Lin, Linrong Hong, Huihai Ge, Xiong Li
  • Patent number: D902343
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: November 17, 2020
    Assignee: HANGZHOU FUFAN INDUSTRY CO., LTD.
    Inventor: Hongjian Xu