Assignee
STEP TECHNOLOGIES INC
US·14 granted patents·1 pending application·174 citations·filing 2002–2007
Top patents by PatentIndex Score
15 records- 0189US7065225B2Electromagnetic transducer having a low reluctance return pathSTEP TECHNOLOGIES INC·Filed 2005·Granted Jun 20, 2006·21 cites·13 claims
- 0284US6940992B2Push-push multiple magnetic air gap transducerSTEP TECHNOLOGIES INC·Filed 2002·Granted Sep 6, 2005·30 cites·43 claims
- 0383US7477757B2Dual-gap transducer with radially-charged magnetSTEP TECHNOLOGIES INC·Filed 2005·Granted Jan 13, 2009·10 cites·10 claims
- 0483US7006654B2Push-pull electromagnetic transducer with increased XmaxSTEP TECHNOLOGIES INC·Filed 2003·Granted Feb 28, 2006·33 cites·34 claims
- 0577US7181039B2Thermal chimney equipped audio speaker cabinetSTEP TECHNOLOGIES INC·Filed 2004·Granted Feb 20, 2007·18 cites·10 claims
- 0673US7031487B2Tabbed speaker frame with oversized diaphragmSTEP TECHNOLOGIES INC·Filed 2003·Granted Apr 18, 2006·17 cites·22 claims
- 0768US7270215B2Loudspeaker enclosure with damping material laminated within internal shearing braceSTEP TECHNOLOGIES INC·Filed 2005·Granted Sep 18, 2007·4 cites·33 claims
- 0867US6917690B2Electromagnetic transducer having multiple magnetic air gaps whose magnetic flux is in a same directionSTEP TECHNOLOGIES INC·Filed 2004·Granted Jul 12, 2005·9 cites·31 claims
- 0963US7227970B2Shorting ring fixture for electromagnetic transducerSTEP TECHNOLOGIES INC·Filed 2004·Granted Jun 5, 2007·9 cites·15 claims
- 1063US6996247B2Push-push multiple magnetic air gap transducerSTEP TECHNOLOGIES INC·Filed 2002·Granted Feb 7, 2006·7 cites·46 claims
- 1156US7492918B2Audio speaker with graduated voice coil windingsSTEP TECHNOLOGIES INC·Filed 2004·Granted Feb 17, 2009·5 cites·25 claims
- 1256US7457429B2Laminated motor structure for electromagnetic transducerSTEP TECHNOLOGIES INC·Filed 2003·Granted Nov 25, 2008·5 cites·42 claims
- 1350US7177440B2Electromagnetic transducer with asymmetric diaphragmSTEP TECHNOLOGIES INC·Filed 2002·Granted Feb 13, 2007·3 cites·17 claims
- 1448US7233681B2Electromagnetic transducer with eccentrically mounted voice coil formerSTEP TECHNOLOGIES INC·Filed 2004·Granted Jun 19, 2007·3 cites·2 claims
- 1548US2007263894A1Bessel line source arraySTEP TECHNOLOGIES INC·Filed 2007·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →