Assignee
WALLIS ENG PTY LTD
AU·2 granted patents·1 pending application·1 citations·filing 2018–2025
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0164US12234693B2Movable drill rod spacer assemblyWALLIS ENG PTY LTD·Filed 2021·Granted Feb 25, 2025·1 cites·27 claims
- 0250US2025250869A1Movable drill rod spacer assemblyWALLIS ENG PTY LTD·Filed 2025·Application pending·0 cites
- 0340US11255140B2Drill rod handlerWALLIS ENG PTY LTD·Filed 2018·Granted Feb 22, 2022·0 cites·23 claims
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