Assignee
MARK IV IND LTD
CA·26 granted patents·3 pending applications·722 citations·filing 1992–2006
Top patents by PatentIndex Score
29 records- 0196US6219613B1Vehicle position determination system and methodMARK IV IND LTD·Filed 2000·Granted Apr 17, 2001·125 cites·20 claims
- 0292US6661352B2Method and means for RF toll collectionMARK IV IND LTD·Filed 2002·Granted Dec 9, 2003·102 cites·23 claims
- 0390US6191705B1Radio frequency highway management systemMARK IV IND LTD·Filed 2000·Granted Feb 20, 2001·87 cites·10 claims
- 0490US5943802AReflective display with front lightingMARK IV IND LTD·Filed 1997·Granted Aug 31, 1999·81 cites·13 claims
- 0577US7016311B2Multiple protocol transponderMARK IV IND LTD·Filed 2001·Granted Mar 21, 2006·48 cites·23 claims
- 0675US6025799AShort range position locating system for transponderMARK IV IND LTD·Filed 1998·Granted Feb 15, 2000·76 cites·28 claims
- 0773US6510632B1Small dot display elementMARK IV IND LTD·Filed 2000·Granted Jan 28, 2003·16 cites·13 claims
- 0870US6000812AWritable disk signMARK IV IND LTD·Filed 1997·Granted Dec 14, 1999·36 cites·11 claims
- 0966US5337077AElectromagnetic shutterMARK IV IND LTD·Filed 1992·Granted Aug 9, 1994·24 cites·19 claims
- 1064US5933329ABoard for mounting display elementMARK IV IND LTD·Filed 1998·Granted Aug 3, 1999·20 cites·19 claims
- 1153US5809675ABoard for mounting display elementMARK IV IND LTD·Filed 1997·Granted Sep 22, 1998·13 cites·10 claims
- 1251US6220723B1Writable disk signMARK IV IND LTD·Filed 1999·Granted Apr 24, 2001·18 cites·30 claims
- 1351US5642130ADisplay array and power control circuitMARK IV IND LTD·Filed 1995·Granted Jun 24, 1997·17 cites·12 claims
- 1450US2004123501A1Dynamic messaging signMARK IV IND LTD·Filed 2003·Application pending·0 cites
- 1546US5771616ADisplay device with disk and LEDMARK IV IND LTD·Filed 1996·Granted Jun 30, 1998·13 cites·12 claims
- 1645US2006109085A1Multiple protocol transponderMARK IV IND LTD·Filed 2006·Application pending·0 cites
- 1743US6276079B1Reflective display with front lightingMARK IV IND LTD·Filed 1998·Granted Aug 21, 2001·10 cites·20 claims
- 1842US5901483ADisplay device and arrayMARK IV IND LTD·Filed 1997·Granted May 11, 1999·10 cites·4 claims
- 1938US2004227616A1Handheld reader and method of testing transponders using sameMARK IV IND LTD·Filed 2003·Application pending·0 cites
- 2037US6009648ADisplay device and arrayMARK IV IND LTD·Filed 1998·Granted Jan 4, 2000·7 cites·12 claims
- 2135US5666134AElectromagnetic shutterMARK IV IND LTD·Filed 1994·Granted Sep 9, 1997·4 cites·19 claims
- 2232US5909971ADisplay device with disk and LEDMARK IV IND LTD·Filed 1998·Granted Jun 8, 1999·4 cites·3 claims
- 2331US5793349AElectromagnetic shutter and coverMARK IV IND LTD·Filed 1995·Granted Aug 11, 1998·2 cites·15 claims
- 2431USRE35357EDisplay element with notched diskMARK IV IND LTD·Filed 1992·Granted Oct 22, 1996·2 cites·11 claims
- 2530US6111759ADisplay with an array of electromagnetically operable elementsMARK IV IND LTD·Filed 1999·Granted Aug 29, 2000·2 cites·12 claims
- 2628US5858158AElectromagnetic disk and method of makingMARK IV IND LTD·Filed 1993·Granted Jan 12, 1999·4 cites·9 claims
- 2727US6216370B1Display array and deviceMARK IV IND LTD·Filed 1998·Granted Apr 17, 2001·0 cites·8 claims
- 2827US6209243B1Display device and arrayMARK IV IND LTD·Filed 1998·Granted Apr 3, 2001·1 cites·20 claims
- 2927US6163994ADisplay device and arrayMARK IV IND LTD·Filed 1999·Granted Dec 26, 2000·0 cites·15 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →