Patents by Inventor Peihui LIANG

Peihui LIANG 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).

  • Publication number: 20250099995
    Abstract: An all-plastic single-material press pump includes a press head, a pump housing, a lock bottle cap, a locking cap, a pump rod, a spring, a one-way valve, a piston, and a dip tube made of a same plastic material. The pump housing is provided with upper and lower pump chambers, with the locking cap disposed therebetween. An upper end of the pump rod is fixedly inserted into the press head. The pump rod passes through the locking cap and extends into the lower pump chamber. The spring is disposed in the upper pump chamber. The pump rod is provided with a suction channel, a lower end of the pump rod is provided with a liquid inlet connecting the suction channel and the lower pump chamber. The piston is located in the lower pump chamber and arranged around the pump rod.
    Type: Application
    Filed: September 19, 2022
    Publication date: March 27, 2025
    Applicant: Majesty Holdings Co., Ltd.
    Inventors: Peihui Liang, Maoyong Zhu, Yonglei Zhang, Jinkao Liang
  • Patent number: 12246333
    Abstract: A full-plastic trigger spray pump, wherein a lower part of the pump body is connected to a locking cover, a liquid spray channel is in the pump body, a nozzle is provided at an outlet of the liquid spray channel, a liquid outlet channel is communicated with the liquid spray channel, a liquid guide chamber is provided on the liquid outlet channel and a liquid inlet channel, the upper part of the liquid guide chamber is in communication with the liquid outlet channel by a normally open port, a pumping piston is in the liquid guide chamber, a trigger capable of driving the pumping piston is hinged onto the pump body, an elastic arm capable of driving the trigger is provided thereon, a lateral one-way valve adapted to open during the return movement of the pumping piston enables the liquid guide chamber to communicate with the liquid inlet channel.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: March 11, 2025
    Assignee: MAJESTY HOLDINGS CO., LTD.
    Inventors: Peihui Liang, Maoyong Zhu, Yonglei Zhang, Jun Li
  • Patent number: 12053789
    Abstract: A food pump is provided with a safe outlet valve and an outer mounted spring. A pressing head, a primary column, a secondary column, a piston, a pump chamber, a spring and a bottle locking cover are also provided. A lock cover for fixing the primary column to the pump chamber is fixed on the pump chamber. An outer side of an upper end of the lock cover is provided with a cover flanging which is turned outwards and then turned downwards to stretch. An inner side of a locking flanging is provided with an inner thread in threaded fit with an outer thread of a lock opening of a lock cover, such that the primary column, the secondary column, the piston, the pump chamber, the spring, a glass bead and the lock cover can be stored and transported independently, thereby matching different pressing heads and bottle locking covers.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: August 6, 2024
    Assignee: MAJESTY HOLDINGS CO., LTD.
    Inventors: Peihui Liang, Maoyong Zhu, Yonglei Zhang, Jinkao Liang
  • Publication number: 20240253072
    Abstract: Disclosed in the invention is an all-plastic pressing pump comprising: an actuator, an insert, a housing, a container cap, a piston guide, a pump ball, a spring, and a protective cover, made of plastic. The lower end of the piston guide is provided with a slidable sealing part that is inserted into the housing and slidably and sealing connected to the inner wall of the housing. The container cap has a central hole for the piston guide to pass through. A conical frustum sealing part is provided on the piston guide above the slidable sealing part, and the conical frustum sealing part forms a sealed connection with the side wall of the central hole when it bounces up. An air replenishment channel is disposed between the housing and the container cap. A liquid outlet channel and a switch structure are disposed between the actuator and the piston guide, and the switch structure opens the liquid outlet channel when the actuator is pressed down and blocks the liquid outlet channel when the actuator bounces up.
    Type: Application
    Filed: December 27, 2021
    Publication date: August 1, 2024
    Inventors: Peihui Liang, Maoyong Zhu, Yonglei Zhang, Jinkao Liang
  • Publication number: 20230226567
    Abstract: A full-plastic trigger spray pump, comprising a pump body (1).
    Type: Application
    Filed: October 20, 2020
    Publication date: July 20, 2023
    Applicant: MAJESTY PACKAGING SYSTEMS LIMITED
    Inventors: Peihui LIANG, Maoyong ZHU, Yonglei ZHANG, Jun LI
  • Publication number: 20230211365
    Abstract: A food pump with a safe outlet valve and an outer mounted spring comprises a pressing head (1), a primary column (2), a secondary column (3), a piston (4), a pump chamber (5), a spring (6) and a bottle locking cover (8). The pressing head (1) is installed on the primary column (2) which is arranged within the pump chamber (5). The secondary column (3) is connected to a lower end of the primary column (2). The piston (4) is sleeved on outer sides of the primary column (2) and the secondary column (3). A lock cover (9) capable of fixing the primary column (2) to the pump chamber (5) is fixed on the pump chamber (5). An outer side of an upper end of the lock cover (9) is provided with a cover flanging (91) which is turned outwards and then turned downwards to stretch. An upper end of the pump chamber (5) is inserted and fixed onto an inner side of the cover flanging (91). The lock cover (9) is provided with a locking opening (92) protruding upwards above the cover flanging (91).
    Type: Application
    Filed: November 23, 2020
    Publication date: July 6, 2023
    Inventors: Peihui Liang, Maoyong Zhu, Yonglei Zhang, Jinkao Liang
  • Patent number: 11415120
    Abstract: A waterproof emulsion pump with an external spring includes a pump body extending into a bottle body, a pump chamber is arranged in the pump body, a locking bottle cover is connected to the pump body, a pumping component is arranged in the pump chamber, and a locking cover is connected to the pump body; a one-way valve is arranged at a lower end of the pump chamber, an upper end of the pumping component is connected with a pressing head capable of driving the pumping component to operate, the pumping component includes an upper pump rod, a spring is arranged between the upper pump rod and the locking cover, a lower end of the upper pump rod is connected with a lower pump rod, a liquid inlet groove opening is formed in the lower pump rod.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: August 16, 2022
    Assignee: MAJESTY PACKAGING SYSTEMS LIMITED
    Inventors: Peihui Liang, Maoyong Zhu, Yonglei Zhang, Jinkao Liang
  • Patent number: 11383257
    Abstract: An all-plastic self-locking pump includes a pump body extending into a bottle, provided with a pump chamber and connected with a bottle locking cover, a suction assembly is arranged in the pump chamber, a check valve is arranged at a lower end of the pump chamber. A button is connected to an upper end of the suction assembly, a self-locking cover is arranged on the pump chamber, a plastic annular part is arranged in the pump chamber above the check valve, and an opening is formed in a side face of the plastic annular part. A locking mechanism is arranged between the button and the self-locking cover, and after the button is rotated to an unlocking position from a locking position, the button can be pressed to enable liquid in the bottle to be sprayed out of an outlet of the button.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: July 12, 2022
    Assignee: MAJESTY PACKAGING SYSTEMS LIMITED
    Inventors: Peihui Liang, Maoyong Zhu, Yonglei Zhang, Jinkao Liang
  • Publication number: 20210381498
    Abstract: The invention discloses a waterproof emulsion pump with an external spring, which includes a pump body extending into a bottle body, a pump chamber is arranged in the pump body, a locking bottle cover is connected to the pump body, a pumping component is arranged in the pump chamber, and a locking cover is connected to the pump body; a one-way valve is arranged at a lower end of the pump chamber, an upper end of the pumping component is connected with a pressing head capable of driving the pumping component to operate, the pumping component includes an upper pump rod, a spring is arranged between the upper pump rod and the locking cover, a lower end of the upper pump rod is connected with a lower pump rod, a liquid inlet groove opening is formed in the lower pump rod, a piston is sleeved on an outer side of the lower pump rod, a pushing part is arranged on the upper pump rod, and a protruding part capable of contacting with a lower end of the piston to push the piston to move upwardly is arranged on the lower
    Type: Application
    Filed: March 23, 2020
    Publication date: December 9, 2021
    Applicant: MAJESTY PACKAGING SYSTEMS LIMITED
    Inventors: Peihui LIANG, Maoyong ZHU, Yonglei ZHANG, Jinkao LIANG
  • Publication number: 20210291214
    Abstract: An all-plastic self-locking pump includes a pump body extending into a bottle, provided with a pump chamber and connected with a bottle locking cover, a suction assembly is arranged in the pump chamber, a check valve is arranged at a lower end of the pump chamber. A button is connected to an upper end of the suction assembly, a self-locking cover is arranged on the pump chamber, a plastic annular part is arranged in the pump chamber above the check valve, and an opening is formed in a side face of the plastic annular part. Positions where the button stays include a locking position and an unlocking position, a locking mechanism is arranged between the button and the self-locking cover, and after the button is rotated to the unlocking position from the locking position, the button can be pressed to enable liquid in the bottle to be sprayed out of an outlet of the button.
    Type: Application
    Filed: March 23, 2020
    Publication date: September 23, 2021
    Applicant: MAJESTY PACKAGING SYSTEMS LIMITED
    Inventors: Peihui LIANG, Maoyong ZHU, Yonglei ZHANG, Jinkao LIANG
  • Publication number: 20210291212
    Abstract: The invention discloses a pump with a left and right locking structure and an external spring, which includes a pump body extending into a bottle body, a pump chamber is arranged on the pump body, a locking bottle cover is connected to the pump body, a pumping member is arranged in the pump chamber, a locking cover is provided at an inner wall of the pump chamber, a one-way valve is provided at a lower end of the pump chamber, a bent nozzle is provided at an upper end of the pumping member, a liquid guiding pipe capable of extending into the bottle body is arranged on the pump body and located below the one-way valve, the pumping member includes a pump rod, a liquid inlet hole is formed below the pump rod, a piston is sleeved on the pump rod, an air inlet hole is formed in the pump body, a pushing part is arranged on the pump rod, the locking cover is further provided with a limiting protruding block, and a reset spring is arranged between the locking cover and the bent nozzle; and a limiting member capable o
    Type: Application
    Filed: April 2, 2020
    Publication date: September 23, 2021
    Applicant: MAJESTY PACKAGING SYSTEMS LIMITED
    Inventors: Peihui LIANG, Maoyong ZHU, Yonglei ZHANG, Junhan HUANG
  • Publication number: 20210229123
    Abstract: A lotion pump structure includes a pump body extending into a bottle body and has a pump chamber and connected with a bottle-locking cap for fixing the pump body to the bottle body, the pump chamber internally has a pumping assembly to pump lotion upwards; the pump chamber lower end has a one-way valve, the pumping assembly upper end is connected with a bent mouth, the pump chamber inner wall has a locking cap, and a spring is between the locking cap upper end surface and the bent mouth; the pumping assembly includes a pump lever having at least one liquid inlet and connected with a piston, a limit assembly is between the pump lever and the locking cap to prevent the bent mouth from being pressed down when the pump lever rotates a certain angle. The structure is simple, self-locking, plastic, convenient for recycling, energy-saving and environmentally friendly.
    Type: Application
    Filed: January 17, 2020
    Publication date: July 29, 2021
    Applicant: Majesty Packaging Systems Limited
    Inventors: Peihui LIANG, Maoyong ZHU, Yonglei ZHANG, Jinkao LIANG