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序號No.

專 利 名 稱

Patent Name

專利號（公告號）

Patent No. (Published No.)

專利類別

Patent Class

1

三角截面密封套 Triangle cross-section

seal cap

發(fā)明專利Invention Patent

2

單雙箍共體式擠壓管接件 Integrated

single and double ferrules extrusion pipeline fitting

發(fā)明專利Invention Patent

3

擠壓連接管接件Extrusion and connection pipeline fitting

發(fā)明專利Invention Patent

4

一種管接頭緊固結(jié)構(gòu)及其裝配方法One kind of pipeline fitting’s fasten structure and its assemble method

發(fā)明專利Invention Patent

5

梯形環(huán)密封Keystone ring seal

發(fā)明專利Invention Patent

6

球楔瓣閥Ball flap valve

發(fā)明專利Invention Patent

7

波紋管球閥Corrugated pipe ball valve

實用新型專利Practical New Patent

8

桿密封Stem seal

國際專利International Patent

桿密封Stem seal

美國發(fā)明專利America Invention Patent

9

梯形截面的環(huán)形熱助密封結(jié)構(gòu)Keystone cross-section’s ring heat sealing structure

國際專利International Patent

梯形截面的環(huán)形熱助密封結(jié)構(gòu)Keystone cross-section’s ring heat sealing structure

美國發(fā)明專利America Invention Patent

10

單雙箍共體式擠壓管接件 Integrated single and double ferrules extrusion pipeline fitting

國際專利International Patent

單雙箍共體式擠壓管接件Integrated single and double ferrules extrusion pipeline fitting

美國發(fā)明專利America Invention Patent

單雙箍共體式擠壓管接件Integrated single and double ferrules extrusion pipeline fitting

歐洲發(fā)明專利Europe Invention Patent

序號No.

專 利 名 稱

Patent Name

專利號（公告號）

Patent No. (Published No.)

專利類別

Patent Class

11

按等邊三角截面法結(jié)構(gòu)的球閥座和球閥Equilateral triangle cross-section structuralized ball valve seats and ball valves

發(fā)明專利Invention Patent

12

按等邊三角截面法結(jié)構(gòu)的球閥座和球閥Equilateral triangle cross-section structuralized ball valve seats and ball valves

國際專利International Patent

13

雙環(huán)桿肩密封與獨立雙重閥桿密封Double ring stem shoulder seal and independent double valve stem seal

發(fā)明專利Invention Patent

14

雙環(huán)桿肩密封與獨立雙重閥桿密封Double ring stem shoulder seal and independent double valve stem seal

國際專利International Patent

15

微觀鋸齒環(huán)密封對接結(jié)構(gòu)Micro-jag ring seal connection structure

發(fā)明專利Invention Patent

16

微觀鋸齒環(huán)密封對接結(jié)構(gòu)Micro-jag ring seal connection structure

國際專利International Patent

17

槽墊密封結(jié)構(gòu) Sink gasket seal structure

發(fā)明專利Invention Patent

18

槽墊密封結(jié)構(gòu)Sink gasket seal structure

國際專利International Patent

19

有縛自激密封環(huán)、墊及結(jié)構(gòu)Bond auto-exciting sealing ring, gasket and their structures

發(fā)明專利Invention Patent

20

O型圈四向密封結(jié)構(gòu) O-ring’s four sides’ sealing structure

發(fā)明專利Invention Patent