Naughty fort welding pipe fittings patent

There are three patents (one utility model and two designs) for the air bag fittings.

Application number? :CN20 142042 1677

Date of application: 20 14.07.30

Public (Announcement)No.: CN203979034U

Date of publicity (announcement): 20 14. 12.03

Name of invention: Naughty Fort Pipe Fitting

IPC classification number: F 16B7/08

Applicant (patent right): Cangzhou New Century Foundry Co., Ltd.;

Inventor: Liu Jiangang;

Application number? :CN20 1430470323

Date of application: 2014.11.25.

Publicity (announcement)No.: CN3032 18664S

Date of publication (announcement): 20 15.05.20

Name of Invention: Naughty Fort Pipe Fitting (Tee)

Applicant: Cangzhou New Century Casting Co., Ltd.

Inventor: Wang; Liu Jiangang

Application number? :CN20 1430470322

Date of application: 2014.11.25.

Publicity (announcement)No.: CN3032 18663S

Date of publication (announcement): 20 15.05.20

Name of invention: Naughty Fort Pipe Fitting (four-way type)

Applicant: Cangzhou New Century Casting Co., Ltd.

Inventor: Wang; Liu Jiangang