HyupSung Heavy Industries Co., Ltd.

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Incheon-city, KR

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic hammer having improved seal ring
- Patent number 6,119,795
- Issue date Sep 19, 2000
- HyupSung Heavy Industries Co., Ltd.
- Gun-jik Lee
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Hydraulic hammer having buffer assembly
- Patent number 6,095,257
- Issue date Aug 1, 2000
- HyupSung Heavy Industries Co., Ltd.
- Gun-jik Lee
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Abrasion-resistant hydraulic hammer with low noise level
- Patent number 5,755,294
- Issue date May 26, 1998
- Hyup Sung Heavy Industries Co., Ltd.
- Gun-jik Lee
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS