Hsinpao CHEN

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Patents Grantslast 30 patents

Information Patent Grant
Powder supply device for use with powder spreaders
- Patent number 10,870,237
- Issue date Dec 22, 2020
- Tongtai Machine & Tool Co., Ltd.
- Huaien Kao
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Powder spreader having automatic powder recovery
- Patent number 10,688,723
- Issue date Jun 23, 2020
- Tongtai Machine & Tool Co., Ltd.
- Huaien Kao
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
POWDER SUPPLY DEVICE FOR USE WITH POWDER SPREADERS
- Publication number 20200055245
- Publication date Feb 20, 2020
- TONGTAI MACHINE & TOOL CO., LTD.
- Huaien KAO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POWDER SPREADER HAVING AUTOMATIC POWDER RECOVERY
- Publication number 20190255775
- Publication date Aug 22, 2019
- TONGTAI MACHINE & TOOL CO., LTD.
- Huaien KAO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
HEATING AND REFRIGERATING DEVICE
- Publication number 20190247923
- Publication date Aug 15, 2019
- TONGTAI MACHINE & TOOL CO., LTD.
- Hsuanyi LU
- B22 - CASTING POWDER METALLURGY
Information Patent Application
HYBRID COMPUTER NUMERICAL CONTROL MACHINING CENTER AND MACHINING ME...
- Publication number 20170293284
- Publication date Oct 12, 2017
- TONGTAI MACHINE & TOOL CO., LTD.
- Hsinpao CHEN
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR