The Patent Finder

McDermott, Inc.

Also on record
Records under this name other than patents McDermott, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Back to McDermott, Inc.

PatentTitleStatus Expires Confidence
US 6,010,664Oxidation detection for sulfite/sulfate systems
Lapsed on the fee record
Ended Jan 4, 2008 · From the USPTO record
Lapsed on the fee recordEnded Jan 4, 2008From the USPTO record
US 4,260,291Installation of an offshore structure
Formerly held
Term ended
Term ended no later than Apr 7, 2001 · Low confidence
Term endedTerm ended no later than Apr 7, 2001Low confidence
US 4,278,041Anchor handling guides
Term ended
Term ended no later than Jul 14, 2001 · Low confidence
Term endedTerm ended no later than Jul 14, 2001Low confidence
US 4,307,977Removable mudmat and method of use on soft floor
Term ended
Term ended no later than Dec 29, 2001 · Low confidence
Term endedTerm ended no later than Dec 29, 2001Low confidence
US 4,349,876Control arrangement for improving the driving stability of motor vehicles which are equipped with anti-skid brake systems
Term ended
Term ended no later than Sep 14, 2002 · Low confidence
Term endedTerm ended no later than Sep 14, 2002Low confidence
US 4,373,835Removable closure plate
Term ended
Term ended no later than Feb 15, 2003 · Low confidence
Term endedTerm ended no later than Feb 15, 2003Low confidence
US 4,397,582Method of creating a cold water conduit to be used in ocean thermal energy conversion systems
Term ended
Term ended no later than Aug 9, 2003 · Low confidence
Term endedTerm ended no later than Aug 9, 2003Low confidence
US 4,422,799Method for installing submarine pipelines using a marine railway system
Term ended
Term ended no later than Dec 27, 2003 · Low confidence
Term endedTerm ended no later than Dec 27, 2003Low confidence
US 4,446,977Roller support for load handling devices
Term ended
Term ended no later than May 8, 2004 · Low confidence
Term endedTerm ended no later than May 8, 2004Low confidence
US 4,478,389Jacking apparatus adjustable for alignment variations
Term ended
Term ended no later than Oct 23, 2004 · Low confidence
Term endedTerm ended no later than Oct 23, 2004Low confidence
10 of 25 patents shown.
Pro members see all 25.
Pro members: see all 25 patents
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited