Caiwei YAO

City:

Kunming

Country:

China

Published Applications:

Last publication date:

2017-05-04

Top Assignees for applications by Caiwei YAO

The entities that hold a legal rights for patent applications filed by inventor YAO Caiwei:

Yunnan Lincang Xinyuan Germanium Industry Co., Ltd. 1 Lincang, China
Yunnan Dongchang Metal Tech Co., Ltd. 1 Kunming, China
YUNNAN LINCANG XINYUAN GERMANIUM INDUSTRY CO.,LTD. 1 Lincang, Yunnan, China
YUNNAN DONGCHANG METAL TECH CO.,LTD. 1 Kunming, Yunnan, China

Recent patent applications by YAO Caiwei

Caiwei YAO from Kunming, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2017-05-04

US20170121790A1

Chemistry; metallurgy

Method of extracting germanium from germanium deposit using thermal reduction process

#2 | 2016-10-13

US20160298210A1

Chemistry; metallurgy

Method and apparatus for secondary enrichment and recovery of germanium from low-grade lignite germanium concentrates with by microwave heating in vacuum

InventorID:

1678645 ⎘