HITACHI CONSTRUCTION MACHINERY
Patent Applications and Registrations
Patent applications and USPTO patent grants for HITACHI CONSTRUCTION MACHINERY.The latest application filed is for "multiple valve device".
- HITACHI CONSTRUCTION MACHINERY - Tokyo N/A JP
| Patent | Date |
|---|---|
| Multiple valve device Grant 9,494,171 - Kobayashi , et al. November 15, 2 | 2016-11-15 |
| Multiple Valve Device App 20150107712 - Kobayashi; Yoshinobu ; et al. | 2015-04-23 |
| Security system of construction machine Grant 7,002,465 - Komatsu , et al. February 21, 2 | 2006-02-21 |
| Directional control valve device Grant 6,327,959 - Takahashi , et al. December 11, 2 | 2001-12-11 |
| Thrust hydrostatic bearing device for use in axial piston machine Grant 4,788,902 - Akasaka , et al. December 6, 1 | 1988-12-06 |
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