Utility Model-A movable device for producing geopolymer grout
Wang, J. (Inventor), Ran, M. (Inventor), Feng, M. (Inventor), Liu, S. (Inventor) & Huang, R. (Inventor), 21 Oct 2022, Patent No. 202221808777.7, 13 Jul 2022
A simplified apparatus and a new method for sampling hollow cylinder sand specimens
Wang, J. (Inventor), Liu, S. (Inventor), Chen, X. (Inventor), XIONG, Y. (Inventor) & ZHU, W. (Inventor), 11 Aug 2020, Patent No. 201711393413.0, 20 Dec 2017