Assignee
STRAIGHTLINE MANUFACTURING INC
US·4 granted patents·141 citations·filing 1992–1997
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0176US5253721ADirectional boring headSTRAIGHTLINE MANUFACTURING INC·Filed 1992·Granted Oct 19, 1993·65 cites·9 claims
- 0257US5709276AMulti-position directional drillSTRAIGHTLINE MANUFACTURING INC·Filed 1996·Granted Jan 20, 1998·38 cites·7 claims
- 0351US5231899ADrilling rig breakout wrench systemSTRAIGHTLINE MANUFACTURING INC·Filed 1992·Granted Aug 3, 1993·26 cites·10 claims
- 0435US5921331ABackreamerSTRAIGHTLINE MANUFACTURING INC·Filed 1997·Granted Jul 13, 1999·12 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →