Assignee
BLACK HAWK ENERGY SERVICES
US·3 granted patents·1 pending application·10 citations·filing 2013–2013
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0170US9212524B2Methods of supporting a self-propelled derrick rigBLACK HAWK ENERGY SERVICES·Filed 2013·Granted Dec 15, 2015·5 cites·16 claims
- 0262US9238945B2Base beam and self-propelled derrick rig assemblyBLACK HAWK ENERGY SERVICES·Filed 2013·Granted Jan 19, 2016·3 cites·17 claims
- 0358US9341028B2Counterweight assembly for a self-propelled derrick rig assemblyBLACK HAWK ENERGY SERVICES·Filed 2013·Granted May 17, 2016·2 cites·7 claims
- 0436US2014231609A1Base beam for supporting a self-propelled derrick rigBLACK HAWK ENERGY SERVICES·Filed 2013·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →