CHEN; CHANG-FA
Patent Applications and Registrations
Patent applications and USPTO patent grants for CHEN; CHANG-FA.The latest application filed is for "gas exhausting system and method for exhausting gas".
- CHEN; CHANG-FA - TAOYUAN COUNTY TW
- Chen; Chang-Fa - Chung Li TW
| Patent | Date |
|---|---|
| Gas Exhausting System And Method For Exhausting Gas App 20180045466 - YU; MING-HUI ; et al. | 2018-02-15 |
| Diffusion Furnace App 20140117005 - YU; MING-HUI ; et al. | 2014-05-01 |
| Heating Chamber Having Reaction Preventing Layer And Layer Forming Method Thereof App 20130040258 - YU; MING-HUI ; et al. | 2013-02-14 |
| Roller Sealing Device And Gas-sealing Method Thereof App 20120178037 - CHEN; A-TZU ; et al. | 2012-07-12 |
| Diffusion Furnace App 20120106934 - YU; MING-HUI ; et al. | 2012-05-03 |
| Gas-exhausting module structure suited for a continuous type oven Grant 6,761,559 - Chen , et al. July 13, 2 | 2004-07-13 |
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