Issued Patents 2021
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11210469 | Method, apparatus for event detection, device and storage medium | Yuguang Chen, Wenhao Chen, Yuhong Zheng, Weina Chen | 2021-12-28 |
| 11212104 | Blockchain-based trustable guarantees | Xuming Lu, Guojun Ye | 2021-12-28 |
| 11200570 | Blockchain-based trustable guarantees | Xuming Lu, Guojun Ye | 2021-12-14 |
| 11198756 | Blend for curing epoxy resin composistions | David C. Lewis, Howard P. Klein, Robert A. Grigsby, Jr., Feixia Chen, Katty Darragas | 2021-12-14 |
| 11182788 | Blockchain-based trustable guarantees | Xuming Lu, Guojun Ye | 2021-11-23 |
| 11138602 | Blockchain-based trustable guarantees | Xuming Lu, Guojun Ye | 2021-10-05 |
| 11130898 | Treatment fluids containing high density iodide brines | Chesnee Lae Davis | 2021-09-28 |
| 11098237 | Compositions for delayed acid generation for high temperature applications and methods of making and using same | Jay Paul Deville, Eliane Padua Oliveira | 2021-08-24 |
| 11098240 | Downhole fluids containing cyclic orthoesters and brine and methods for using the same | William Walter Shumway | 2021-08-24 |
| 11044225 | System and method for facilitating distribution of limited resources having an add grace period | Shuqin Sun, Michael Runcieman, Steven Singer | 2021-06-22 |
| 11041106 | Star macromolecules for wellbore applications | Weibin Zha | 2021-06-22 |
| 11015015 | Co-preparation of polyetheramines and alklyene amines | Howard P. Klein, David C. Lewis | 2021-05-25 |
| 11003638 | System and method for building an evolving ontology from user-generated content | Shizhu Liu, Kailin Huang, Li-Han Chen, Jianxun Sun, Ning Xu +1 more | 2021-05-11 |
| 10995258 | Removing filter cake with delayed enzymatic breakers | Jay Paul Deville, William Walter Shumway | 2021-05-04 |
| 10961424 | Lowering the crystallization temperature of brines | Casey T. Lesar, Chesnee Lae Davis | 2021-03-30 |
| 10920122 | Drilling fluid composition including viscosifier and method of using the same | Jay Paul Deville | 2021-02-16 |
| 10883037 | Crosslinked n-vinylpyrrolidone polymers for use in subterranean formations and wells | Jay Paul Deville, Chesnee Lae Davis | 2021-01-05 |
| 10884319 | Computational optics | Allen H. Rush | 2021-01-05 |