Assignee
COLUMBIA HELICOPTERS INC
US·4 granted patents·85 citations·filing 1981–2018
Top patents by PatentIndex Score
4 records- 0170US4422528AAerial basket structure for linemen and method for utilizing sameCOLUMBIA HELICOPTERS INC·Filed 1981·Granted Dec 27, 1983·25 cites·2 claims
- 0258US10906783B2Load placement systemCOLUMBIA HELICOPTERS INC·Filed 2018·Granted Feb 2, 2021·3 cites·9 claims
- 0358US5273333ALoad hook assembly for multiple loads and method of load transportCOLUMBIA HELICOPTERS INC·Filed 1993·Granted Dec 28, 1993·41 cites·8 claims
- 0456US4441750ACargo sling system for a helicopterCOLUMBIA HELICOPTERS INC·Filed 1981·Granted Apr 10, 1984·16 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →