Inventor · disambiguated record
Martin Pierson
Also filed as: PIERSON MARTIN · PIERSON MARTIN D
22 granted patents·3 pending applications·329 citations·filing 1997–2022
95Inventor score
Top patents by PatentIndex Score
25 records- 0195US7297045B2Smart smoke unitLIONEL LLC·Filed 2002·Granted Nov 20, 2007·90 cites·21 claims
- 0293US7350754B2Block controllerLIONEL LLC·Filed 2005·Granted Apr 1, 2008·28 cites·9 claims
- 0391US6765356B1Control and motor arrangement for use in model trainLIONEL LLC·Filed 2000·Granted Jul 20, 2004·31 cites·14 claims
- 0482US7307394B1Control and motor arrangement for use in model trainLIONEL LLC·Filed 2007·Granted Dec 11, 2007·6 cites·108 claims
- 0575US6441570B1Controller for a model toy train setLIONEL LLC·Filed 1999·Granted Aug 27, 2002·55 cites·29 claims
- 0674US7298103B2Control and motor arrangement for use in model trainLIONEL LLC·Filed 2006·Granted Nov 20, 2007·4 cites·61 claims
- 0773US7666052B2Variable-heat smoke unit for model vehicleLIONEL LLC·Filed 2005·Granted Feb 23, 2010·4 cites·38 claims
- 0872US6676473B2Smart smoke unitLIONEL LLC·Filed 2001·Granted Jan 13, 2004·14 cites·17 claims
- 0971US7656110B2Control and motor arrangement for use in model trainLIONEL LLC·Filed 2007·Granted Feb 2, 2010·3 cites·42 claims
- 1070US5912623AHouse arrest monitoring system with improved tamper detectionALERT SYSTEMS CORP·Filed 1997·Granted Jun 15, 1999·51 cites·21 claims
- 1164US7211976B2Control and motor arrangement for use in model trainLIONEL LLC·Filed 2004·Granted May 1, 2007·6 cites·79 claims
- 1261US7880414B2Control and motor arrangement for use in model trainLIONEL LLC·Filed 2009·Granted Feb 1, 2011·1 cites·20 claims
- 1356US12330078B2Multi-channel model train sound optimization system and methodPIERSON MARTIN·Filed 2022·Granted Jun 17, 2025·0 cites·14 claims
- 1456US7125309B2Smart smoke unitLIONEL LLC·Filed 2003·Granted Oct 24, 2006·5 cites·8 claims
- 1555US6813124B1Transformer over-current protection with RMS sensing and voltage fold-backLIONEL LLC·Filed 2002·Granted Nov 2, 2004·7 cites·34 claims
- 1654US7279871B2Voltage regulator and method of regulating voltageLIONEL LLC·Filed 2005·Granted Oct 9, 2007·4 cites·16 claims
- 1754US2006226298A1Graphical method and system for model vehicle and accessory controlLIONEL LLC·Filed 2005·Application pending·0 cites
- 1851US6873142B2Transformer over-current protection with RMS sensing and voltage fold-backLIONEL LLC·Filed 2004·Granted Mar 29, 2005·5 cites·4 claims
- 1946US7081829B2Mars unit lamp driverLIONEL LLC·Filed 2003·Granted Jul 25, 2006·0 cites·21 claims
- 2045US7023154B1Train speed control using current and velocity sensingLIONEL LLC·Filed 2004·Granted Apr 4, 2006·5 cites·20 claims
- 2144US7091706B2Voltage regulator and method of regulating voltageLIONEL LLC·Filed 2004·Granted Aug 15, 2006·5 cites·8 claims
- 2243US7129687B2Transformer over-current protection with RMS sensing and voltage fold-backLIONEL LLC·Filed 2004·Granted Oct 31, 2006·0 cites·7 claims
- 2342US2005152555A1Sound system for model vehicle and/or accessoryFiled 2004·Application pending·0 cites
- 2436US2006256593A1Voltage controller with true RMS indicatorLIONEL LLC·Filed 2005·Application pending·0 cites
- 2534US6215676B1Selective voltage multiplier for toy model train with audio systemLIONEL TRAINS INC·Filed 1998·Granted Apr 10, 2001·5 cites·9 claims
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