Byung Duk Lim

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Jeollaburk-do Jeonju, KR

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Patents Grantslast 30 patents

Information Patent Grant
Ground drilling hammer and the driving method
- Patent number 7,784,561
- Issue date Aug 31, 2010
- Byung-Duk Lim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling apparatus having in-line extending wings and driving metho...
- Patent number 7,681,671
- Issue date Mar 23, 2010
- Byung-Duk Lim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bit striking apparatus for use in an excavator
- Patent number 6,860,339
- Issue date Mar 1, 2005
- Byung Duk Lim
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
DRILLING APPARATUS HAVING IN-LINE EXTENDING WINGS AND DRIVING METHO...
- Publication number 20090188719
- Publication date Jul 30, 2009
- Byung-duk Lim
- E21 - EARTH DRILLING MINING
Information Patent Application
Bit striking apparatus for use in an excavator
- Publication number 20040016154
- Publication date Jan 29, 2004
- Byung Duk Lim
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING