Individual holder
GIEN BERNARD L
ZA·2 granted patents·2 pending applications·18 citations·filing 1984–2013
Individually held — no corporate assignee on record.
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0147US2013327576A1Percussive drill bit provided with an improved chuck assemblyGIEN BERNARD L·Filed 2013·Application pending·0 cites
- 0243US4591004APneumatic percussion machineGIEN BERNARD L·Filed 1984·Granted May 27, 1986·14 cites·12 claims
- 0336US2012145464A1Bit assembly for a down-the-hole hammer drillGIEN BERNARD L·Filed 2010·Application pending·0 cites
- 0428US4610314ATruck mounted drilling machineGIEN BERNARD L·Filed 1985·Granted Sep 9, 1986·4 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →