Chiu; Ching-Su
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chiu; Ching-Su.The latest application filed is for "pipe cutter".
- Chiu; Ching-Su - Taiping TW
- Chiu; Ching-Su - Taiping City TW
- Chiu; Ching-Su - Tiping Hsian Taichung Hsien TW
| Patent | Date |
|---|---|
| Pipe cutter Grant 7,934,317 - Chiu May 3, 2 | 2011-05-03 |
| Pipe Cutter App 20100154223 - Chiu; Ching-Su | 2010-06-24 |
| Luminescent refrigerant gauge device App 20070245821 - Chiu; Ching-Su | 2007-10-25 |
| Check valve actuator Grant 7,237,760 - Chiu July 3, 2 | 2007-07-03 |
| Gear puller Grant 7,216,409 - Chiu , et al. May 15, 2 | 2007-05-15 |
| Manual pipe bender Grant 7,143,629 - Chiu December 5, 2 | 2006-12-05 |
| Tube bender Grant 5,761,950 - Chiu June 9, 1 | 1998-06-09 |
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