序号No.

专 利 名 称

Patent Name

专利号（公告号）

Patent No. (Published No.)

专利类别

Patent Class

1

三角截面密封套 Triangle cross-section

seal cap

发明专利Invention Patent

2

单双箍共体式挤压管接件 Integrated

single and double ferrules extrusion pipeline fitting

发明专利Invention Patent

3

挤压连接管接件Extrusion and connection pipeline fitting

发明专利Invention Patent

4

一种管接头紧固结构及其装配方法One kind of pipeline fitting’s fasten structure and its assemble method

发明专利Invention Patent

5

梯形环密封Keystone ring seal

发明专利Invention Patent

6

球楔瓣阀Ball flap valve

发明专利Invention Patent

7

波纹管球阀Corrugated pipe ball valve

实用新型专利Practical New Patent

8

杆密封Stem seal

国际专利International Patent

杆密封Stem seal

美国发明专利America Invention Patent

9

梯形截面的环形热助密封结构Keystone cross-section’s ring heat sealing structure

国际专利International Patent

梯形截面的环形热助密封结构Keystone cross-section’s ring heat sealing structure

美国发明专利America Invention Patent

10

单双箍共体式挤压管接件 Integrated single and double ferrules extrusion pipeline fitting

国际专利International Patent

单双箍共体式挤压管接件Integrated single and double ferrules extrusion pipeline fitting

美国发明专利America Invention Patent

单双箍共体式挤压管接件Integrated single and double ferrules extrusion pipeline fitting

欧洲发明专利Europe Invention Patent

序号No.

专 利 名 称

Patent Name

专利号（公告号）

Patent No. (Published No.)

专利类别

Patent Class

11

按等边三角截面法结构的球阀座和球阀Equilateral triangle cross-section structuralized ball valve seats and ball valves

发明专利Invention Patent

12

按等边三角截面法结构的球阀座和球阀Equilateral triangle cross-section structuralized ball valve seats and ball valves

国际专利International Patent

13

双环杆肩密封与独立双重阀杆密封Double ring stem shoulder seal and independent double valve stem seal

发明专利Invention Patent

14

双环杆肩密封与独立双重阀杆密封Double ring stem shoulder seal and independent double valve stem seal

国际专利International Patent

15

微观锯齿环密封对接结构Micro-jag ring seal connection structure

发明专利Invention Patent

16

微观锯齿环密封对接结构Micro-jag ring seal connection structure

国际专利International Patent

17

槽垫密封结构 Sink gasket seal structure

发明专利Invention Patent

18

槽垫密封结构Sink gasket seal structure

国际专利International Patent

19

有缚自激密封环、垫及结构Bond auto-exciting sealing ring, gasket and their structures

发明专利Invention Patent

20

O型圈四向密封结构 O-ring’s four sides’ sealing structure

发明专利Invention Patent