| Patent | Date |
|---|
Acoustic emission test equipment and analysis technology for rock breaking
Grant 11,280,762 - Xu , et al. March 22, 2 | 2022-03-22 |
Loading platform for rock mechanics test
Grant 11,215,540 - Wei , et al. January 4, 2 | 2022-01-04 |
Test system for microseismic test of rock mass fractures
Grant 10,976,455 - Liu , et al. April 13, 2 | 2021-04-13 |
Microseismic monitoring system
Grant 10,976,454 - Liu , et al. April 13, 2 | 2021-04-13 |
Rock damage acoustic monitoring system
Grant 10,955,574 - Liu , et al. March 23, 2 | 2021-03-23 |
Acoustic emission monitoring and transmission system for engineering rock mass
Grant 10,823,706 - Liu , et al. November 3, 2 | 2020-11-03 |
Rock damage mechanics test system for high temperature and high pressure deep earth environment
Grant 10,823,653 - Liu , et al. November 3, 2 | 2020-11-03 |
Triaxial high temperature and high pressure rock mechanics load test platform
Grant 10,823,652 - Liu , et al. November 3, 2 | 2020-11-03 |
Rock mechanics experiment system for simulating deep-underground environment
Grant 10,801,934 - Liu , et al. October 13, 2 | 2020-10-13 |
Acoustic emission sensor
Grant 10,794,869 - Liu , et al. October 6, 2 | 2020-10-06 |
Acoustic Emission Test Equipment And Analysis Technology For Rock Breaking
App 20200232950 - XU; Huining ; et al. | 2020-07-23 |
Rock mechanics response test system for simulated complex deep earth environment
Grant 10,704,998 - Liu , et al. | 2020-07-07 |
Loading Platform for Rock Mechanics Test
App 20190331567 - WEI; Yufeng ; et al. | 2019-10-31 |
Triaxial high temperature and high pressure rock mechanics load test platform
App 20190331568 - LIU; Jianfeng ; et al. | 2019-10-31 |
Rock Mechanics Response Test System for Simulated Complex Deep Earth Environment
App 20190331570 - LIU; Jianfeng ; et al. | 2019-10-31 |
Rock Damage mechanics test system for high temperature and high pressure deep earth environment
App 20190331569 - LIU; Jianfeng ; et al. | 2019-10-31 |
Asphalt restoration agent microcapsule and preparation method and use thereof
Grant 10,357,752 - Tan , et al. July 23, 2 | 2019-07-23 |
Acoustic emission sensor
App 20180372690 - LIU; Jianfeng ; et al. | 2018-12-27 |
Rock Damage Acoustic Monitoring System
App 20180372893 - LIU; Jianfeng ; et al. | 2018-12-27 |
Acoustic Emission Monitoring And Transmission System For Engineering Rock Mass
App 20180372689 - LIU; Jianfeng ; et al. | 2018-12-27 |
Microseismic Monitoring System
App 20180364379 - LIU; Jianfeng ; et al. | 2018-12-20 |
Test System For Microseismic Test Of Rock Mass Fractures
App 20180364377 - LIU; Jianfeng ; et al. | 2018-12-20 |
Rock Mechanics Experiment System For Simulating Deep-underground Environment
App 20180340874 - Liu; Jianfeng ; et al. | 2018-11-29 |
Rock specimen and method for testing direct tensile strength of the same
Grant 10,048,178 - Liu , et al. August 14, 2 | 2018-08-14 |
Rock specimen and method for testing pure shear of the same
Grant 10,048,182 - Liu , et al. August 14, 2 | 2018-08-14 |
Fixing device for acoustic emission test sensors for rock damage testing
Grant 10,018,595 - Liu , et al. July 10, 2 | 2018-07-10 |
Fixing device for acoustic emission test sensors for rock damage testing
Grant 10,018,594 - Liu , et al. July 10, 2 | 2018-07-10 |
Adjustable fixing device for acoustic emission test sensors for rock damage testing
Grant 10,006,887 - Liu , et al. June 26, 2 | 2018-06-26 |
Rock fixing device with hydraulic-spring combination and position-limiting chuck for direct tensile test
Grant 9,714,891 - Liu , et al. July 25, 2 | 2017-07-25 |
Position-limit device with spring components for direct tensile test
Grant 9,574,980 - Liu , et al. February 21, 2 | 2017-02-21 |
Rock sample fixing device with three-jaw chuck for cyclic tension and compression test
Grant 9,500,574 - Liu , et al. November 22, 2 | 2016-11-22 |
Rock testing device with three-jaw chuck for direct tensile test
Grant 9,494,502 - Liu , et al. November 15, 2 | 2016-11-15 |
Hydraulic and spring combination device with position-limit spring for rock sample
Grant 9,488,559 - Liu , et al. November 8, 2 | 2016-11-08 |
Device with position-limit spring for alternating tension-compression cyclic test
Grant 9,488,560 - Liu , et al. November 8, 2 | 2016-11-08 |
Fixing Device For Acoustic Emission Test Sensors For Rock Damage Testing
App 20160231285 - LIU; Jianfeng ; et al. | 2016-08-11 |
Device For Fixing Rock Sample
App 20160231215 - LIU; Jianfeng ; et al. | 2016-08-11 |
Device For Fixing Rock Sample
App 20160231212 - LIU; Jianfeng ; et al. | 2016-08-11 |
Device For Fixing Rock Sample
App 20160231213 - LIU; Jianfeng ; et al. | 2016-08-11 |
Device For Fixing Rock Sample
App 20160231214 - LIU; Jianfeng ; et al. | 2016-08-11 |
Fixing Device For Acoustic Emission Test Sensors For Rock Damage Testing
App 20160231287 - LIU; Jianfeng ; et al. | 2016-08-11 |
Adjustable Fixing Device For Acoustic Emission Test Sensors For Rock Damage Testing
App 20160231286 - LIU; Jianfeng ; et al. | 2016-08-11 |
Device For Fixing Rock Samples
App 20160231216 - LIU; Jianfeng ; et al. | 2016-08-11 |
Device For Fixing Rock Samples
App 20160231211 - LIU; Jianfeng ; et al. | 2016-08-11 |
Rock Specimen And Method For Testing Pure Shear Of The Same
App 20160103049 - LIU; Jianfeng ; et al. | 2016-04-14 |
Rock Specimen And Method For Testing Direct Tensile Strength Of The Same
App 20160103047 - LIU; Jianfeng ; et al. | 2016-04-14 |
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