Assignee
GERSAN ETS
LI·26 granted patents·708 citations·filing 1988–2001
Top patents by PatentIndex Score
26 records- 0195US5206699ASensing a narrow frequency band of radiation and gemstonesGERSAN ETS·Filed 1991·Granted Apr 27, 1993·116 cites·91 claims
- 0289US6187213B1Marking diamondGERSAN ETS·Filed 1996·Granted Feb 13, 2001·60 cites·21 claims
- 0386US5351117ASensing a narrow frequency band and gemstonesGERSAN ETS·Filed 1993·Granted Sep 27, 1994·60 cites·15 claims
- 0483US6014208AExamining a diamondGERSAN ETS·Filed 1996·Granted Jan 11, 2000·67 cites·36 claims
- 0581US5801819ADistinguishing natural from synthetic diamondGERSAN ETS·Filed 1995·Granted Sep 1, 1998·64 cites·19 claims
- 0679US6331708B2Examining a diamondGERSAN ETS·Filed 2001·Granted Dec 18, 2001·16 cites·25 claims
- 0772US6391215B1Diamond markingGERSAN ETS·Filed 1998·Granted May 21, 2002·32 cites·75 claims
- 0870US5628410AClassifying or sortingGERSAN ETS·Filed 1995·Granted May 13, 1997·31 cites·27 claims
- 0968US5811824AMethod and an apparatus for testing whether a diamond has a layer of synthetic diamond deposited thereonGERSAN ETS·Filed 1995·Granted Sep 22, 1998·32 cites·26 claims
- 1066US5536943AMethod and apparatus for examining an objectGERSAN ETS·Filed 1993·Granted Jul 16, 1996·28 cites·32 claims
- 1164US5883388AExamining a diamondGERSAN ETS·Filed 1995·Granted Mar 16, 1999·27 cites·47 claims
- 1261US5184732AShape sortingGERSAN ETS·Filed 1990·Granted Feb 9, 1993·28 cites·18 claims
- 1360US5835200AMethod and apparatus for examining an objectGERSAN ETS·Filed 1997·Granted Nov 10, 1998·24 cites·29 claims
- 1458US5505313AMethod and apparatus for detecting diamonds in a plurality of objectsGERSAN ETS·Filed 1992·Granted Apr 9, 1996·18 cites·13 claims
- 1558US5353112AOptical inspection method and apparatusGERSAN ETS·Filed 1991·Granted Oct 4, 1994·21 cites·17 claims
- 1652US5880504AExamining a diamondGERSAN ETS·Filed 1995·Granted Mar 9, 1999·17 cites·5 claims
- 1750US5603414ADetecting diamonds in a rock sampleGERSAN ETS·Filed 1993·Granted Feb 18, 1997·16 cites·30 claims
- 1846US5077767ADetermining the existence of misorientation in a crystalGERSAN ETS·Filed 1989·Granted Dec 31, 1991·12 cites·18 claims
- 1942US4927004AFeederGERSAN ETS·Filed 1988·Granted May 22, 1990·10 cites·11 claims
- 2041US6358427B1Marking diamondGERSAN ETS·Filed 1998·Granted Mar 19, 2002·10 cites·17 claims
- 2135USD427617SApparatus for viewing gemstonesGERSAN ETS·Filed 1999·Granted Jul 4, 2000·3 cites·1 claims
- 2231US5177585AP-n-p diamond transistorGERSAN ETS·Filed 1990·Granted Jan 5, 1993·2 cites·12 claims
- 2329US5413210AControlling a feed of objectsGERSAN ETS·Filed 1991·Granted May 9, 1995·3 cites·44 claims
- 2427USD460470SViewer for gemstonesGERSAN ETS·Filed 2001·Granted Jul 16, 2002·0 cites·1 claims
- 2527US5746645AWorking a natural or synthetic hard stone such as a gemstoneGERSAN ETS·Filed 1997·Granted May 5, 1998·7 cites·21 claims
- 2627US5305867AMethod and apparatus for feeding articlesGERSAN ETS·Filed 1991·Granted Apr 26, 1994·4 cites·22 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →