Hongping Tang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Tower packing element, tower packing, and packing tower and mixer c...
- Patent number 10,888,835
- Issue date Jan 12, 2021
- Beijing Zehua Chemical Engineering Co., Ltd.
- Runxing Xie
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Tower packing element, tower packing, and packing tower and mixer c...
- Patent number 10,843,164
- Issue date Nov 24, 2020
- Beijing Zehua Chemical Engineering Co., Ltd.
- Runxing Xie
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Tower packing element, tower packing, and packing tower and mixer c...
- Patent number 10,052,609
- Issue date Aug 21, 2018
- Beijing Zehua Chemical Engineering Co., Ltd.
- Runxing Xie
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Multiple downcomer tray and tray column comprising the same
- Patent number 9,919,239
- Issue date Mar 20, 2018
- Beijing Zehua Chemical Engineering Co., Ltd.
- Runxing Xie
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Extraction tower
- Patent number 9,687,755
- Issue date Jun 27, 2017
- Beijing Zehua Chemical Engineering Co., Ltd.
- Runxing Xie
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
TOWER PACKING ELEMENT, TOWER PACKING, AND PACKING TOWER AND MIXER C...
- Publication number 20180297005
- Publication date Oct 18, 2018
- BEIJING ZEHUA CHEMICAL ENGINEERING CO., LTD.
- Runxing Xie
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
TOWER PACKING ELEMENT, TOWER PACKING, AND PACKING TOWER AND MIXER C...
- Publication number 20180297006
- Publication date Oct 18, 2018
- BEIJING ZEHUA CHEMICAL ENGINEERING CO., LTD.
- Runxing Xie
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Multiple Downcomer Tray and Tray Column Comprising the Same
- Publication number 20160144291
- Publication date May 26, 2016
- BEIJING ZEHUA CHEMICAL ENGINEERING CO., LTD.
- Runxing Xie
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
TOWER PACKING ELEMENT, TOWER PACKING, AND PACKING TOWER AND MIXER C...
- Publication number 20150336079
- Publication date Nov 26, 2015
- BEIJING ZEHUA CHEMICAL ENGINEERING CO., LTD.
- Runxing Xie
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Extraction Tower
- Publication number 20150151217
- Publication date Jun 4, 2015
- Beijing Zehua Chemical Engineering Co. Ltd.
- Runxing Xie
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL