Inventor · disambiguated record
Lyal Douglas Allen
Also filed as: ALLEN LYAL · ALLEN LYAL D · ALLEN LYAL DOUGLAS
11 granted patents·1 pending application·267 citations·filing 1981–2013
91Inventor score
Top patents by PatentIndex Score
12 records- 0196US7192034B2Load based suspension motion limitingDEERE & CO·Filed 2005·Granted Mar 20, 2007·53 cites·4 claims
- 0295US7584812B2Articulated dozer with suspension and suspension lockoutDEERE & CO·Filed 2005·Granted Sep 8, 2009·47 cites·15 claims
- 0388US9434426B2Track suspensionVEYANCE TECHNOLOGIES INC·Filed 2013·Granted Sep 6, 2016·14 cites·16 claims
- 0487US6810975B2Suspension system for a tracked vehicleWESTERNGACO A S·Filed 2002·Granted Nov 2, 2004·49 cites·16 claims
- 0585US4425971AFolding agricultural implementHORWOOD BAGSHAW LTD·Filed 1981·Granted Jan 17, 1984·36 cites·10 claims
- 0676US7617881B2Articulated crawler tractorDEERE & CO·Filed 2005·Granted Nov 17, 2009·13 cites·10 claims
- 0773US6502840B1Suspended axle with side and oscillation control linkageDEERE & CO·Filed 2001·Granted Jan 7, 2003·37 cites·7 claims
- 0868US7451840B2Articulated crawler dozer with direct load path structureDEERE & CO·Filed 2005·Granted Nov 18, 2008·8 cites·7 claims
- 0965US7641007B2Dynamic blade distance ratio system and methodDEERE & CO·Filed 2005·Granted Jan 5, 2010·6 cites·9 claims
- 1055US7503411B2Articulated dozer with frame structure for decreased height variation in the vehicle chassisDEERE & CO·Filed 2005·Granted Mar 17, 2009·3 cites·5 claims
- 1149US7581598B2Blade motion reductionDEERE & CO·Filed 2005·Granted Sep 1, 2009·1 cites·6 claims
- 1245US2010044124A1Articulated Dozer With Suspension And Suspension LockoutRADKE DANIEL D·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →