Assignee
LEDGERWOOD III LEROY W
US·2 granted patents·6 citations·filing 2007–2011
Technology mixE21B2
Top patents by PatentIndex Score
2 records- 0156US8150667B2Discrete element modeling of rock destruction under high pressure conditionsLEDGERWOOD III LEROY W·Filed 2007·Granted Apr 3, 2012·6 cites·14 claims
- 0244US9045955B2Detritus flow management features for drag bit cutters and bits so equippedLEDGERWOOD III LEROY W·Filed 2011·Granted Jun 2, 2015·0 cites·20 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →