Changxiang Xu

Person

Longwan, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Sealing microsawtooth ring joint of two opposing surfaces
- Patent number 9,175,778
- Issue date Nov 3, 2015
- Zhejiang China Valve Co. Ltd.
- Changxiang Xu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Ball valve seats and ball valves designed with equilateral triangle...
- Patent number 8,864,105
- Issue date Oct 21, 2014
- Changxiang Xu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sealing microsawtooth ring joint of two opposing surfaces
- Patent number 8,714,599
- Issue date May 6, 2014
- Weber-Stephen Products, LLC
- Changxiang Xu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Stem shoulder seal with double rings and an assembly of independent...
- Patent number 8,439,330
- Issue date May 14, 2013
- Zhejiang China Value Co., Ltd.
- Changxiang Xu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Stem seal
- Patent number 8,382,067
- Issue date Feb 26, 2013
- Zhejiang China Valve Co., Ltd
- Changxiang Xu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Sealing Microsawtooth Ring Joint of Two Opposing Surfaces
- Publication number 20150192208
- Publication date Jul 9, 2015
- ZHEJIANG CHINA VALVE CO. LTD.
- Changxiang XU
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Sealing Microsawtooth Ring Joint of Two Opposing Surfaces
- Publication number 20140203202
- Publication date Jul 24, 2014
- ZHEJIANG CHINA VALVE CO. LTD.
- Changxiang XU
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
STEM SHOULDER SEAL WITH DOUBLE RINGS AND AN ASSEMBLY OF INDEPENDENT...
- Publication number 20110297863
- Publication date Dec 8, 2011
- ZHEJIANG CHINA VALVE CO., LTD.
- Changxiang XU
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Sealing Microsawtooth Ring Joint of Two Opposing Surfaces
- Publication number 20110266483
- Publication date Nov 3, 2011
- Changxiang Xu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Ball Valve Seats and Ball Valves Designed with Equilateral Triangle...
- Publication number 20110260089
- Publication date Oct 27, 2011
- Changxiang Xu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Gland Seals
- Publication number 20110254234
- Publication date Oct 20, 2011
- Zhejiang China Valve Co., Ltd.
- Changxiang Xu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Tube Fitting with either Single or Double Ferrule Swage Design Comm...
- Publication number 20100102554
- Publication date Apr 29, 2010
- Changxiang Xu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Trapezoid-Sectional Annular Thermally-Assisted Sealing Arrangement
- Publication number 20080231000
- Publication date Sep 25, 2008
- Zhejiang China Valve Co., Ltd
- Changxiang Xu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Stem Seal
- Publication number 20080217568
- Publication date Sep 11, 2008
- ZHEJIANG CHINA VALVE CO., LTD.
- Changxiang Xu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Changxiang Xu

Person

Patents Grantslast 30 patents

Sealing microsawtooth ring joint of two opposing surfaces

Ball valve seats and ball valves designed with equilateral triangle...

Sealing microsawtooth ring joint of two opposing surfaces

Stem shoulder seal with double rings and an assembly of independent...

Stem seal

Patents Applicationslast 30 patents

Sealing Microsawtooth Ring Joint of Two Opposing Surfaces

Sealing Microsawtooth Ring Joint of Two Opposing Surfaces

STEM SHOULDER SEAL WITH DOUBLE RINGS AND AN ASSEMBLY OF INDEPENDENT...

Sealing Microsawtooth Ring Joint of Two Opposing Surfaces

Ball Valve Seats and Ball Valves Designed with Equilateral Triangle...

Gland Seals

Tube Fitting with either Single or Double Ferrule Swage Design Comm...

Trapezoid-Sectional Annular Thermally-Assisted Sealing Arrangement

Stem Seal