Whah Tseng

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Inner-circulation high-speed hydraulic system, hydraulic platform,...
- Patent number 10,875,272
- Issue date Dec 29, 2020
- SHANGHAI ETERNAL MACHINERY CO., LTD.
- Whah Tseng
- B44 - DECORATIVE ARTS
Information Patent Grant
Sheet conveying system
- Patent number 9,821,972
- Issue date Nov 21, 2017
- SHANGHAI ETERNAL MACHINERY CO., LTD.
- Whah Tseng
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL