Inventor
XU CHANGXIANG
CN20 patents
⚠️ This page may combine multiple inventors who share the name “XU CHANGXIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JIANGNAN ENVIRONMENTAL PROT GROUP INC
9 patentsUS10207220B2Feb 19, 2019
Method and apparatus for removing sulfur oxides from gas
JIANGNAN ENVIRONMENTAL PROT GROUP INC4 citations84
US10016721B1Jul 10, 2018
Ammonia-based desufurization process and apparatus
JIANGNAN ENVIRONMENTAL PROT GROUP INC7 citations83
US10675584B2Jun 9, 2020
Method and apparatus for removing sulfur oxides from gas
JIANGNAN ENVIRONMENTAL PROT GROUP INC1 citations73
US10413864B2Sep 17, 2019
Method and apparatus for removing sulfur oxides from gas
JIANGNAN ENVIRONMENTAL PROT GROUP INC2 citations73
US10406477B2Sep 10, 2019
Method and apparatus for removing sulfur oxides from gas
JIANGNAN ENVIRONMENTAL PROT GROUP INC1 citations73
US10406478B2Sep 10, 2019
Ammonia-based desulfurization process and apparatus
JIANGNAN ENVIRONMENTAL PROT GROUP INC1 citations72
US10399033B2Sep 3, 2019
Ammonia-based desulfurization process and apparatus
JIANGNAN ENVIRONMENTAL PROT GROUP INC1 citations72
US10561982B2Feb 18, 2020
Ammonia-based desulfurization process and apparatus
JIANGNAN ENVIRONMENTAL PROT GROUP INC0 citations51
US10413865B2Sep 17, 2019
Ammonia-based desulfurization process and apparatus
JIANGNAN ENVIRONMENTAL PROT GROUP INC0 citations51
XU CHANGXIANG
4 patentsUS8439330B2May 14, 2013
Stem shoulder seal with double rings and an assembly of independent dual stem seals
XU CHANGXIANG7 citations80
US8864105B2Oct 21, 2014
Ball valve seats and ball valves designed with equilateral triangle section methods
XU CHANGXIANG16 citations75
US8714599B2May 6, 2014
Sealing microsawtooth ring joint of two opposing surfaces
XU CHANGXIANG2 citations61
US9175778B2Nov 3, 2015
Sealing microsawtooth ring joint of two opposing surfaces
XU CHANGXIANG1 citations50