Inventor · disambiguated record
Joshua A. Underwood
Also filed as: UNDERWOOD JOSHUA A
30 granted patents·14 pending applications·405 citations·filing 2010–2025
97Inventor score
Top patents by PatentIndex Score
44 records- 0197US8327749B2Firearm receiver with ambidextrous functionalityUNDERWOOD JOSHUA A·Filed 2010·Granted Dec 11, 2012·64 cites·8 claims
- 0295US11480414B2Taper lock interface to barrel-mount firearm accessoryAXTS INC·Filed 2021·Granted Oct 25, 2022·7 cites·26 claims
- 0395US10161697B1Overmold firearm charging handleAXTS INC·Filed 2018·Granted Dec 25, 2018·24 cites·21 claims
- 0495USD770589SBolt release catch for firearmAXTS WEAPONS SYSTEMS·Filed 2015·Granted Nov 1, 2016·19 cites·1 claims
- 0594US11287201B1Adjustable firearm gas blockAXTS INC·Filed 2021·Granted Mar 29, 2022·7 cites·30 claims
- 0692USD694354SFirearm charging handleUNDERWOOD JOSHUA A·Filed 2012·Granted Nov 26, 2013·48 cites·1 claims
- 0791USD705384SFirearm charging handleUNDERWOOD JOSHUA A·Filed 2013·Granted May 20, 2014·45 cites·1 claims
- 0890USD776222SPocket configuration of a firearm receiverAXTS WEAPONS SYSTEMS·Filed 2015·Granted Jan 10, 2017·11 cites·1 claims
- 0990USD738452SFirearm charging handleAXTS WEAPONS SYSTEMS·Filed 2014·Granted Sep 8, 2015·45 cites·1 claims
- 1089US12405089B2Locating fastener for firearm opticAXTS INC·Filed 2023·Granted Sep 2, 2025·2 cites·30 claims
- 1189US2025377187A1Locating fastener for firearm opticAXTS INC·Filed 2025·Application pending·0 cites
- 1288US8984786B2Firearm receiver with ambidextrous functionalityUNDERWOOD JOSHUA A·Filed 2012·Granted Mar 24, 2015·20 cites·19 claims
- 1386USD726860SFirearm charging handleUNDERWOOD JOSHUA A·Filed 2013·Granted Apr 14, 2015·36 cites·1 claims
- 1485US12339094B2Attaching a grip attachment or other attachment in a recoil environment at threadless region(s)AXTS INC·Filed 2024·Granted Jun 24, 2025·2 cites·30 claims
- 1585USD779015SMagazine release leverAXTS WEAPONS SYSTEMS·Filed 2015·Granted Feb 14, 2017·8 cites·1 claims
- 1684USD1081896SFirearm gripAXTS INC·Filed 2025·Granted Jul 1, 2025·1 cites·1 claims
- 1784US10337811B1Overmold firearm charging handleAXTS INC·Filed 2018·Granted Jul 2, 2019·9 cites·17 claims
- 1880USD773587SFirearm barrel nutAXTS WEAPONS SYSTEMS·Filed 2015·Granted Dec 6, 2016·21 cites·1 claims
- 1978US12510321B2Gas port geometryAXTS INC·Filed 2022·Granted Dec 30, 2025·1 cites·68 claims
- 2072USD833560SMagazine release leverAXTS WEAPONS SYSTEMS·Filed 2016·Granted Nov 13, 2018·3 cites·1 claims
- 2172US9995543B2Charging handle with exhaust ventilationAXTS WEAPONS SYSTEMS·Filed 2016·Granted Jun 12, 2018·5 cites·19 claims
- 2272USD682383SSelector indicator for firearm receiverUNDERWOOD JOSHUA A·Filed 2011·Granted May 14, 2013·19 cites·1 claims
- 2371US2025189274A1Adapter assembly or other mounting features for firearm opticAXTS INC·Filed 2025·Application pending·0 cites
- 2469US2024200904A1Compensator assembly for a firearmAXTS INC·Filed 2024·Application pending·0 cites
- 2567US12264897B2Mount assembly for firearmAXTS INC·Filed 2022·Granted Apr 1, 2025·0 cites·25 claims
- 2667US2025314451A1Attachment interface for recoil environmentsAXTS INC·Filed 2025·Application pending·0 cites
- 2766US2025085075A1Gas port geometryAXTS INC·Filed 2024·Application pending·0 cites
- 2866US2025327639A1Retention system for grip attachmentAXTS INC·Filed 2025·Application pending·0 cites
- 2965US2025052532A1Gas port geometryAXTRS INC·Filed 2024·Application pending·0 cites
- 3063US11920898B2Compensator assembly for a firearmAXTS INC·Filed 2021·Granted Mar 5, 2024·0 cites·15 claims
- 3162US2024110759A1Self-lockingly fastened components in a recoil environmentAXTS INC·Filed 2023·Application pending·0 cites
- 3261US2024240914A1Optical assembly with protective flexing member and/or mechanical rear sight featuresAXTS INC·Filed 2024·Application pending·0 cites
- 3361US2024240915A1Optic guard frame on optic sight or optic mounting adapterAXTS INC·Filed 2024·Application pending·0 cites
- 3460US11747100B2Tunable recoil assemblyAXTS INC·Filed 2022·Granted Sep 5, 2023·0 cites·43 claims
- 3560US10203174B2Charging handle with exhaust ventilationAXTS INC·Filed 2018·Granted Feb 12, 2019·2 cites·19 claims
- 3659US2025109919A1Tunable recoil assemblyAXTS INC·Filed 2023·Application pending·0 cites
- 3758US12228374B2Adapter assembly or other mounting features for firearm opticAXTS INC·Filed 2022·Granted Feb 18, 2025·0 cites·32 claims
- 3854US12442612B1Thread-locking firearm accessory mounting systemAXTS INC·Filed 2022·Granted Oct 14, 2025·0 cites·38 claims
- 3953USD791900SFirearm handguardAXTS WEAPONS SYSTEMS·Filed 2015·Granted Jul 11, 2017·6 cites·1 claims
- 4052US2025060194A1Adapter assembly or other mounting features for closed emitter optic sightAXTS INC·Filed 2024·Application pending·0 cites
- 4144US2023400271A1Magazine base pad assembly and magazine extension assemblyAXTS INC·Filed 2023·Application pending·0 cites
- 4243USD1085321SFront sightAXTS INC·Filed 2023·Granted Jul 22, 2025·0 cites·1 claims
- 4342USD1100112SFirearmAXTS INC·Filed 2022·Granted Oct 28, 2025·0 cites·1 claims
- 4436US2017176122A1Safety selectorAXTS WEAPONS SYSTEMS·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →