The Patent Finder

Qualion Ltd.

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

Showing 1 to 10 of 10 · Back to Qualion Ltd.

PatentTitleStatus Expires Confidence
US 6,310,480Flow-through probe for NMR spectrometers
Lapsed on the fee record
Ended Oct 30, 2013 · From the USPTO record
Lapsed on the fee recordEnded Oct 30, 2013From the USPTO record
US 4,994,746Method of and apparatus for nuclear magnetic resonance analysis using true logarithmic amplifier
Term ended
Term ended no later than Feb 19, 2011 · Low confidence
Term endedTerm ended no later than Feb 19, 2011Low confidence
US 4,998,976Permanent magnet arrangement
Term ended
Term ended no later than Mar 12, 2011 · Low confidence
Term endedTerm ended no later than Mar 12, 2011Low confidence
US 5,063,934Permanent magnet arrangement
Term ended
Term ended no later than Nov 12, 2011 · Low confidence
Term endedTerm ended no later than Nov 12, 2011Low confidence
US 5,072,732NMR instrument for testing for fluid constituents
Term ended
Term ended no later than Dec 17, 2011 · Low confidence
Term endedTerm ended no later than Dec 17, 2011Low confidence
US 5,162,734Method and apparatus for obtaining an NMR signal having a preselected frequency domain
Term ended
Term ended no later than Nov 10, 2012 · Low confidence
Term endedTerm ended no later than Nov 10, 2012Low confidence
US 5,166,620NMR frequency locking circuit
Term ended
Term ended no later than Nov 24, 2012 · Low confidence
Term endedTerm ended no later than Nov 24, 2012Low confidence
US 5,320,103Permanent magnet arrangement
Term ended
Term ended no later than Jun 14, 2014 · Low confidence
Term endedTerm ended no later than Jun 14, 2014Low confidence
US 5,371,464Apparatus for in-line analysis of flowing liquid and solid materials by nuclear magnetic resonance
Term ended
Term ended no later than Dec 6, 2014 · Low confidence
Term endedTerm ended no later than Dec 6, 2014Low confidence
US 5,462,054Permanent magnet arrangement
Term ended
Term ended no later than Oct 31, 2015 · Low confidence
Term endedTerm ended no later than Oct 31, 2015Low confidence
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