Patents by Inventor Lianrui Chen

Lianrui Chen 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).

  • Dispensing apparatus
    Patent number: 6938804
    Abstract: A dispensing apparatus including a main body with a fixed handle, a push rod, a gun body uniting section, and a trigger is disclosed.
    Type: Grant
    Filed: February 13, 2004
    Date of Patent: September 6, 2005
    Assignees: Tianjin Jinmao Corp., Ltd.
    Inventor: Lianrui Chen
  • Modified frame style caulking gun
    Patent number: 6908016
    Abstract: A modified frame style caulking gun includes a gun body with front and back blocks to receive a caulk cartridge, a gun rack in close fitting with the gun body and having a trigger, a frame driving section having structure for distally moving a push rod upon proximal movement of the trigger for releasing caulk via a spout of the caulk cartridge, and a braking assembly for preventing movement of the push rod. The gun rack and gun body include structure for providing a strong and rigid connection there between. The caulking gun includes structure for performing the functions of cutting the nib or distal end of the spout of the caulk cartridge and dredging the mouth of the caulk cartridge.
    Type: Grant
    Filed: September 30, 2003
    Date of Patent: June 21, 2005
    Assignee: Tianjin Jinmao Corp., Ltd.
    Inventor: Lianrui Chen
  • Cladding products and methods for making same
    Publication number: 20040256408
    Abstract: A method of forming cladding on products comprises: a shotblasting layer is formed on the basal body of products, i.e., a shotblasting layer of fine and uniform granules is formed on the surface of the basal body of products by shotblasting, and plated layers are plated on the shotblasting layer of the basal body of products, i.e. metal plated layers are plated on the shotblasting layer after the shotblasting layer is formed. A cladding structure on products comprises that a shotblasting layer is remained on the basal body of products, and metal plated layers of a predetermined thickness is provided on the shotblasting layer of the basal body of products. A push rod of a caulking gun with the above cladding structure is also included.
    Type: Application
    Filed: February 13, 2004
    Publication date: December 23, 2004
    Inventor: Lianrui Chen
  • Modified frame style caulking gun
    Publication number: 20040206784
    Abstract: A modified frame style caulking gun includes a gun body with front and back blocks to receive a caulk cartridge, a gun rack in close fitting with the gun body and having a trigger, a frame driving section having structure for distally moving a push rod upon proximal movement of the trigger for releasing caulk via a spout of the caulk cartridge, and a braking assembly for preventing movement of the push rod. The gun rack and gun body include structure for providing a strong and rigid connection there between. The caulking gun includes structure for performing the functions of cutting the nib or distal end of the spout of the caulk cartridge and dredging the mouth of the caulk cartridge.
    Type: Application
    Filed: September 30, 2003
    Publication date: October 21, 2004
    Inventor: Lianrui Chen
  • Dispensing apparatus
    Publication number: 20040195271
    Abstract: A dispensing apparatus including a main body with a fixed handle, a push rod, a gun body uniting section, and a trigger is disclosed.
    Type: Application
    Filed: February 13, 2004
    Publication date: October 7, 2004
    Inventor: Lianrui Chen