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Patents Grantslast 30 patents

Information Patent Grant
Method for treating pollutants
- Patent number 11,446,633
- Issue date Sep 20, 2022
- WELL RESOURCES INC.
- Warren Chung
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Method for regeneration of used lubricating oils
- Patent number 10,954,468
- Issue date Mar 23, 2021
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of...
- Keng H. Chung
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Adsorption Material and Method for Treating Pollutants
- Publication number 20220355269
- Publication date Nov 10, 2022
- WELL RESOURCES INC.
- Warren CHUNG
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
ADSORPTION MATERIAL AND METHOD FOR TREATING POLLUTANTS
- Publication number 20200269212
- Publication date Aug 27, 2020
- WELL RESOURCES INC.
- Warren CHUNG
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
METHOD FOR REGENERATION OF USED LUBRICATING OILS
- Publication number 20190119605
- Publication date Apr 25, 2019
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of...
- Keng H. Chung
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
NONLINEAR AUXILIARY SPRING, NEW-BELTED DIAPHRAGM AND AIR SPRING
- Publication number 20180058534
- Publication date Mar 1, 2018
- CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
- XUEBING LI
- B61 - RAILWAYS