Inventor
TANG HONGPING
CN8 patents
⚠️ This page may combine multiple inventors who share the name “TANG HONGPING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BEIJING ZEHUA CHEMICAL ENG CO LTD
7 patentsUS11547952B1Jan 10, 2023
Multi-bubbling region column tray and corresponding plate column
BEIJING ZEHUA CHEMICAL ENG CO LTD3 citations68
US10052609B2Aug 21, 2018
Tower packing element, tower packing, and packing tower and mixer comprising the same
BEIJING ZEHUA CHEMICAL ENG CO LTD3 citations68
US9919239B2Mar 20, 2018
Multiple downcomer tray and tray column comprising the same
BEIJING ZEHUA CHEMICAL ENG CO LTD2 citations67
US11938425B2Mar 26, 2024
Multi-bubbling region column tray and corresponding plate column
BEIJING ZEHUA CHEMICAL ENG CO LTD0 citations58
US10888835B2Jan 12, 2021
Tower packing element, tower packing, and packing tower and mixer comprising the same
BEIJING ZEHUA CHEMICAL ENG CO LTD0 citations57
US10843164B2Nov 24, 2020
Tower packing element, tower packing, and packing tower and mixer comprising the same
BEIJING ZEHUA CHEMICAL ENG CO LTD0 citations47
US9687755B2Jun 27, 2017
Extraction tower
BEIJING ZEHUA CHEMICAL ENG CO LTD0 citations37