Individual holder
REAR IAN G
AU·6 granted patents·136 citations·filing 1981–1992
Individually held — no corporate assignee on record.
Technology mixE21B6
Top patents by PatentIndex Score
6 records- 0167US4932483ADown hole hammerREAR IAN G·Filed 1989·Granted Jun 12, 1990·37 cites·6 claims
- 0260US4921052ADownhole recirculating hammerREAR IAN G·Filed 1989·Granted May 1, 1990·31 cites·4 claims
- 0353US4530407AFluid operated hammerREAR IAN G·Filed 1981·Granted Jul 23, 1985·21 cites·8 claims
- 0448US5056609AValve assembly for a downhole to remove bore hole subsidenceREAR IAN G·Filed 1989·Granted Oct 15, 1991·19 cites·8 claims
- 0542US4534422AFluid operated hammerREAR IAN G·Filed 1983·Granted Aug 13, 1985·12 cites·20 claims
- 0641US5238073AUphole hammerREAR IAN G·Filed 1992·Granted Aug 24, 1993·16 cites·20 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →