Inventor · disambiguated record
Shifa Wei
Also filed as: WEI SHIFA
5 granted patents·1 pending application·4 citations·filing 2013–2015
62Inventor score
Top patents by PatentIndex Score
6 records- 0183US10005669B2Method for mass production of phosphoric acid with rotary kilnSICHUAN KO CHANG TECH CO LTD·Filed 2015·Granted Jun 26, 2018·4 cites·19 claims
- 0243US2013230442A1Method and apparatus for collecting carbon dioxide from flue gasWUHAN KAIDI ELECTRIC POWER CO LTD·Filed 2013·Application pending·0 cites
- 0342US9776868B2Apparatus for preparing phosphoric acid from fume exiting the kiln in a kiln phosphoric acid processSICHUAN KO CHANG TECH CO LTD·Filed 2015·Granted Oct 3, 2017·0 cites·17 claims
- 0434US9982947B2Rotary kiln for reducing phosphate ore in kiln phosphoric acid process and method for solving ring forming in kiln tail in kiln phosphoric acid processSICHUAN KO CHANG TECH CO LTD·Filed 2015·Granted May 29, 2018·0 cites·10 claims
- 0531US10232312B2Device and process for fluorine recovery from smoke after phosphorus absorption by hydration in kiln process for production of phosphoric acidSICHUAN KO CHANG TECH CO LTD·Filed 2015·Granted Mar 19, 2019·0 cites·4 claims
- 0631US10023463B2Phosphorus absorption by hydration and fluorine recovery for fume exiting kiln in kiln phosphoric acid processSICHUAN KO CHANG TECH CO LTD·Filed 2015·Granted Jul 17, 2018·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →