Zengling Ran

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Fully distributed magnetic adsorption multi-parameter sensing cable
- Patent number 11,209,472
- Issue date Dec 28, 2021
- Zhongtian Power Optical Cable Co., Ltd
- Yunjiang Rao
- G01 - MEASURING TESTING
Information Patent Grant
Long-distance fiber optic distributed acoustic sensing amplificatio...
- Patent number 10,985,520
- Issue date Apr 20, 2021
- University of Electronic Science and Technology of China
- Yunjiang Rao
- G01 - MEASURING TESTING
Information Patent Grant
Long-distance polarization and phase-sensitive optical time-domain...
- Patent number 9,163,960
- Issue date Oct 20, 2015
- University of Electronic Science and Technology of China
- Yunjiang Rao
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
INTELLIGENT GEOPHYSICAL DATA ACQUISITION SYSTEM AND ACQUISITION MET...
- Publication number 20230213669
- Publication date Jul 6, 2023
- BGP INC., CHINA NATIONAL PETROLEUM CORPORATION
- Gang Yu
- G01 - MEASURING TESTING
Information Patent Application
FULLY DISTRIBUTED MAGNETIC ADSORPTION MULTI-PARAMETER SENSING CABLE
- Publication number 20210011068
- Publication date Jan 14, 2021
- Zhongtian Power Optical Cable Co.,Ltd
- Yunjiang Rao
- G01 - MEASURING TESTING
Information Patent Application
Long-distance fiber optic distributed acoustic sensing amplificatio...
- Publication number 20190288475
- Publication date Sep 19, 2019
- University of Electronic Science and Technology of China
- Yunjiang Rao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Long-distance polarization and phase-sensitive optical time-domain...
- Publication number 20140183360
- Publication date Jul 3, 2014
- University of Electronic Science and Technology of China
- Yunjiang Rao
- G01 - MEASURING TESTING