ARCMASK OPTECH CO., LTD
Patent Applications and Registrations
Patent applications and USPTO patent grants for ARCMASK OPTECH CO., LTD.The latest application filed is for "anti-glare welding apparatus".
- ARCMASK OPTECH CO., LTD - Taoyuan City TW
- ARCMASK OPTECH CO., LTD - Taoyuan N/A TW
- Arcmask Optech Co., Ltd. - Taoyuan Hsien TW
- ARCMASK OPTECH CO., LTD - TAOYUAN HSIEN TW
| Patent | Date |
|---|---|
| Anti-glare Welding Apparatus App 20220079812 - HSIEH; Chien Hsing ; et al. | 2022-03-17 |
| Welding helmet with single LCD filter lens Grant 10,663,779 - Hsieh , et al. | 2020-05-26 |
| Power saving welding helmet Grant 10,172,741 - Hsieh , et al. J | 2019-01-08 |
| Power Saving Welding Helmet App 20180360663 - Hsieh; Chien-Hsing ; et al. | 2018-12-20 |
| Welding filter device and control method thereof Grant 8,331,001 - Hsieh , et al. December 11, 2 | 2012-12-11 |
| Welding Filter Device And Control Method Thereof App 20120176659 - HSIEH; Chien-Hsing ; et al. | 2012-07-12 |
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