Assignee
MARCHAND NICHOLAS RYAN
CA·3 granted patents·12 citations·filing 2009–2011
Top patents by PatentIndex Score
3 records- 0169US9534638B2Retention means for a seal boot used in a universal joint in a downhole motor driveshaft assemblyMARCHAND NICHOLAS RYAN·Filed 2010·Granted Jan 3, 2017·6 cites·25 claims
- 0257US8500176B2Interlocking engagement mechanism for an adjustable bent housingMARCHAND NICHOLAS RYAN·Filed 2009·Granted Aug 6, 2013·5 cites·27 claims
- 0351US9771761B2Torque enhanced threaded connectionMARCHAND NICHOLAS RYAN·Filed 2011·Granted Sep 26, 2017·1 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when MARCHAND NICHOLAS RYAN files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →