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2022
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Invention
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Wood processing device. A wood processing device that includes an inlet, an outer unit and a cutt... |
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2020
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Invention
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Pipe coupling. Pipe coupling: a male portion (13) provided with a series of spaced keys (15); a f... |
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|
Invention
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No vibration stone column drill. A drill including a drill flight where the drill flight changes ... |
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2017
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Invention
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Displacement and/or compaction device. A drill assembly that includes one drill and a displacemen... |
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2016
|
Invention
|
Percussion device. A percussion device which can be combined with a drill to provide a percussive... |
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Invention
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Tooth attachment for a drill and a drill incorporating the same. A drill unit for forming a colum... |
