Liu; Shanzeng

Patent Applications and Registrations

Patent applications and USPTO patent grants for Liu; Shanzeng.The latest application filed is for "device and method for adjusting tension of a steel wire rope of an ultra-deep vertical shaft at a hoisting-container-end".

Company Profile

3.7.6

Liu; Shanzeng - Jiangsu CN
LIU; Shanzeng - Xuzhou Jiangsu

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Device for cage jamming buffer of large-tonnage hoisting system of ultra-deep shaft Grant 11,097,925 - Cao , et al. August 24, 2	2021-08-24
Device and method for adjusting tension of a steel wire rope of an ultra-deep vertical shaft at a hoisting-container-end Grant 10,913,636 - Cao , et al. February 9, 2	2021-02-09
Device And Method For Adjusting Tension Of A Steel Wire Rope Of An Ultra-deep Vertical Shaft At A Hoisting-container-end App 20200399095 - CAO; Guohua ; et al.	2020-12-24
Apparatus and method for measuring rotational angle of sinking platform Grant 10,870,559 - Cao , et al. December 22, 2	2020-12-22
Device For Cage Jamming Buffer Of Large-tonnage Hoisting System Of Ultra-deep Shaft App 20200377336 - CAO; Guohua ; et al.	2020-12-03
Apparatus And Method For Measuring Rotational Angle Of Sinking Platform App 20190337773 - CAO; Guohua ; et al.	2019-11-07
A Lap Joint Platform Of Large-load Lifting Container App 20180162700 - Zhu; Zhencai ; et al.	2018-06-14
Lap joint platform of large-load lifting container Grant 9,994,426 - Zhu , et al. June 12, 2	2018-06-12
System and method for automatically regulating tensions of guide ropes of flexible cable suspension platform Grant 9,845,605 - Cao , et al. December 19, 2	2017-12-19
Guide rail rope deflection inhibition mechanism and method for parallel soft cable suspension system Grant 9,689,257 - Cao , et al. June 27, 2	2017-06-27
Device and method for detecting the tension on a guide rope of a hanging scaffold in a construction shaft Grant 9,488,558 - Cao , et al. November 8, 2	2016-11-08
Device And Method For Detecting The Tension On A Guide Rope Of A Hanging Scaffold In A Construction Shaft App 20160109341 - Cao; Guohua ; et al.	2016-04-21
Guide Rail Rope Deflection Inhibition Mechanism And Method For Parallel Soft Cable Suspension System App 20160017708 - CAO; Guohua ; et al.	2016-01-21

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