Assignee
XU CHANGXIANG
CN·4 granted patents·1 pending application·26 citations·filing 2007–2014
Top patents by PatentIndex Score
5 records- 0184US8864105B2Ball valve seats and ball valves designed with equilateral triangle section methodsXU CHANGXIANG·Filed 2009·Granted Oct 21, 2014·16 cites·1 claims
- 0279US8439330B2Stem shoulder seal with double rings and an assembly of independent dual stem sealsXU CHANGXIANG·Filed 2011·Granted May 14, 2013·7 cites·4 claims
- 0365US8714599B2Sealing microsawtooth ring joint of two opposing surfacesXU CHANGXIANG·Filed 2009·Granted May 6, 2014·2 cites·4 claims
- 0462US9175778B2Sealing microsawtooth ring joint of two opposing surfacesXU CHANGXIANG·Filed 2014·Granted Nov 3, 2015·1 cites·2 claims
- 0549US2010102554A1Tube Fitting with either Single or Double Ferrule Swage Design Common to One SystemXU CHANGXIANG·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when XU CHANGXIANG files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →