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Patent applications and USPTO patent grants for WUHAN TAIPU TRANSFORMER CHANGER CO., LTD..The latest application filed is for "strip type off-circuit tap changer".
Patent | Date |
---|---|
Strip type off-circuit tap changer Grant 9,305,723 - Liu , et al. April 5, 2 | 2016-04-05 |
Disk type off-circuit tap changer Grant 9,208,974 - Liu December 8, 2 | 2015-12-08 |
Off-circuit tap changer Grant 9,165,725 - Liu , et al. October 20, 2 | 2015-10-20 |
Strip Type Off-circuit Tap Changer App 20140048394 - Liu; Gang ;   et al. | 2014-02-20 |
Off-circuit Tap Changer App 20130327619 - Liu; Gang ;   et al. | 2013-12-12 |
Disk Type Off-circuit Tap Changer App 20130327620 - Liu; Xin | 2013-12-12 |
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