Assignee
QS IND INC
US·8 granted patents·181 citations·filing 1994–2014
Top patents by PatentIndex Score
8 records- 0198US7770847B1Signaling and remote control train operationQS IND INC·Filed 2006·Granted Aug 10, 2010·93 cites·1 claims
- 0294US5492290AModel railroad operation using proximity selectionQS IND INC·Filed 1994·Granted Feb 20, 1996·66 cites·16 claims
- 0384US7451708B2Sound systems for model railroad locomotivesQS IND INC·Filed 2005·Granted Nov 18, 2008·9 cites·11 claims
- 0478US7859424B2Proximity control of on-board processor-based model train sound and control systemQS IND INC·Filed 2008·Granted Dec 28, 2010·5 cites·14 claims
- 0574US9449590B1Low frequency audio sound effects in model railroadingQS IND INC·Filed 2014·Granted Sep 20, 2016·5 cites·12 claims
- 0667US7954435B2Sound systems for model railroad locomotivesQS IND INC·Filed 2008·Granted Jun 7, 2011·2 cites·8 claims
- 0766US8701562B2Signaling and remote control train operationQS IND INC·Filed 2013·Granted Apr 22, 2014·1 cites·3 claims
- 0862US9511303B2Signaling and remote control train operationQS IND INC·Filed 2014·Granted Dec 6, 2016·0 cites·22 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →