Assignee
UNDERWOOD JAMES MATTHEW
US·56 granted patents·14 pending applications·139 citations·filing 2017–2025
Top patents by PatentIndex Score
70 records- 0198US11441859B2Hybrid ambidextrous receiverUNDERWOOD JAMES MATTHEW·Filed 2020·Granted Sep 13, 2022·19 cites·22 claims
- 0296US11543195B2Roller and bearing delayed firearm operating systemsUNDERWOOD JAMES MATTHEW·Filed 2021·Granted Jan 3, 2023·7 cites·22 claims
- 0396US11054202B1Magazine followerUNDERWOOD JAMES MATTHEW·Filed 2020·Granted Jul 6, 2021·9 cites·25 claims
- 0495US11421954B2Firearm operating systemUNDERWOOD JAMES MATTHEW·Filed 2020·Granted Aug 23, 2022·6 cites·22 claims
- 0594US11828550B2Polymer firearm receiverUNDERWOOD JAMES MATTHEW·Filed 2022·Granted Nov 28, 2023·4 cites·20 claims
- 0694US11725895B2Firearm operating systemUNDERWOOD JAMES MATTHEW·Filed 2022·Granted Aug 15, 2023·3 cites·20 claims
- 0794US11371789B2Roller delayed firearm operating systemUNDERWOOD JAMES MATTHEW·Filed 2020·Granted Jun 28, 2022·5 cites·25 claims
- 0893US11441870B2Forward brace assemblyUNDERWOOD JAMES MATTHEW·Filed 2020·Granted Sep 13, 2022·6 cites·25 claims
- 0992US11543196B2Monolithic upper receiver assemblyUNDERWOOD JAMES MATTHEW·Filed 2021·Granted Jan 3, 2023·4 cites·26 claims
- 1092US11466945B2Charging handle assembliesUNDERWOOD JAMES MATTHEW·Filed 2021·Granted Oct 11, 2022·4 cites·20 claims
- 1191US11781824B2Roller delayed firearm operating systemUNDERWOOD JAMES MATTHEW·Filed 2022·Granted Oct 10, 2023·3 cites·20 claims
- 1290US12146717B2Roller delayed firearm operating systemUNDERWOOD JAMES MATTHEW·Filed 2023·Granted Nov 19, 2024·2 cites·20 claims
- 1390US12140394B2Polymer firearm receiverUNDERWOOD JAMES MATTHEW·Filed 2023·Granted Nov 12, 2024·2 cites·20 claims
- 1489US12025391B2Roller and bearing delayed firearm operating systemsUNDERWOOD JAMES MATTHEW·Filed 2022·Granted Jul 2, 2024·2 cites·20 claims
- 1589US2026036389A1Simulated trigger assembliesUNDERWOOD JAMES MATTHEW·Filed 2025·Application pending·0 cites
- 1688USD1020966SFirearm receiverUNDERWOOD JAMES MATTHEW·Filed 2022·Granted Apr 2, 2024·9 cites·1 claims
- 1788US11927415B2Hybrid ambidextrous receiverUNDERWOOD JAMES MATTHEW·Filed 2022·Granted Mar 12, 2024·2 cites·21 claims
- 1887US12535281B2Polymer firearm receiverUNDERWOOD JAMES MATTHEW·Filed 2024·Granted Jan 27, 2026·1 cites·20 claims
- 1987US11846476B2Ejector for firearmUNDERWOOD JAMES MATTHEW·Filed 2022·Granted Dec 19, 2023·2 cites·20 claims
- 2087US11280570B2Firearm operating mechanisms and bolt releaseUNDERWOOD JAMES MATTHEW·Filed 2020·Granted Mar 22, 2022·3 cites·17 claims
- 2186US11112197B2Pivot pinUNDERWOOD JAMES MATTHEW·Filed 2020·Granted Sep 7, 2021·3 cites·17 claims
- 2285US12241703B2Firearm operating systemUNDERWOOD JAMES MATTHEW·Filed 2023·Granted Mar 4, 2025·1 cites·18 claims
- 2384US11725902B2Folding stock assembliesUNDERWOOD JAMES MATTHEW·Filed 2021·Granted Aug 15, 2023·4 cites·20 claims
- 2483US10809028B2Magazine structure and insertUNDERWOOD JAMES MATTHEW·Filed 2019·Granted Oct 20, 2020·7 cites·24 claims
- 2581US12313373B2Handguard assemblyUNDERWOOD JAMES MATTHEW·Filed 2023·Granted May 27, 2025·1 cites·20 claims
- 2681US11970223B2Stand up vehicleUNDERWOOD JAMES MATTHEW·Filed 2020·Granted Apr 30, 2024·1 cites·16 claims
- 2781US11536530B2Hybrid molded firearm assembliesUNDERWOOD JAMES MATTHEW·Filed 2020·Granted Dec 27, 2022·2 cites·25 claims
- 2879US2025189250A1Firearm operating systemUNDERWOOD JAMES MATTHEW·Filed 2025·Application pending·0 cites
- 2979US2025264297A1Handguard assemblyUNDERWOOD JAMES MATTHEW·Filed 2025·Application pending·0 cites
- 3078US12141113B2Electronic threat assessment systemUNDERWOOD JAMES MATTHEW·Filed 2021·Granted Nov 12, 2024·1 cites·21 claims
- 3175US12253329B2HandguardUNDERWOOD JAMES MATTHEW·Filed 2021·Granted Mar 18, 2025·1 cites·20 claims
- 3275USD943702SFirearm receiverUNDERWOOD JAMES MATTHEW·Filed 2019·Granted Feb 15, 2022·11 cites·1 claims
- 3374US2025216173A1HandguardUNDERWOOD JAMES MATTHEW·Filed 2025·Application pending·0 cites
- 3473US11112194B2Firearm lockUNDERWOOD JAMES MATTHEW·Filed 2020·Granted Sep 7, 2021·1 cites·21 claims
- 3572US12584701B2Roller and bearing delayed firearm operating systemsUNDERWOOD JAMES MATTHEW·Filed 2024·Granted Mar 24, 2026·0 cites·20 claims
- 3671US11906263B2Folding stock assembliesUNDERWOOD JAMES MATTHEW·Filed 2021·Granted Feb 20, 2024·1 cites·21 claims
- 3770US12449214B2Hybrid ambidextrous receiverUNDERWOOD JAMES MATTHEW·Filed 2024·Granted Oct 21, 2025·0 cites·19 claims
- 3869US12460890B2Simulated trigger assembliesUNDERWOOD JAMES MATTHEW·Filed 2024·Granted Nov 4, 2025·0 cites·20 claims
- 3969US12305943B2Firearm operating mechanisms and bolt releaseUNDERWOOD JAMES MATTHEW·Filed 2023·Granted May 20, 2025·0 cites·20 claims
- 4068US12241700B2Ejector for firearmUNDERWOOD JAMES MATTHEW·Filed 2023·Granted Mar 4, 2025·0 cites·20 claims
- 4168US12140395B2Firearm loaderUNDERWOOD JAMES MATTHEW·Filed 2023·Granted Nov 12, 2024·0 cites·20 claims
- 4266US12050078B2Ratcheting magazine assemblyUNDERWOOD JAMES MATTHEW·Filed 2023·Granted Jul 30, 2024·0 cites·20 claims
- 4366US10852083B2Buffer extensionUNDERWOOD JAMES MATTHEW·Filed 2019·Granted Dec 1, 2020·3 cites·18 claims
- 4466US10830558B2Buttstock lock release lever pin assemblyUNDERWOOD JAMES MATTHEW·Filed 2019·Granted Nov 10, 2020·3 cites·28 claims
- 4566US2025347484A1Firearm ejectorUNDERWOOD JAMES MATTHEW·Filed 2025·Application pending·0 cites
- 4665US12215942B2Hybrid molded firearm assembliesUNDERWOOD JAMES MATTHEW·Filed 2022·Granted Feb 4, 2025·0 cites·20 claims
- 4764US12460907B2Light weight ammunition and firearm systemsUNDERWOOD JAMES MATTHEW·Filed 2022·Granted Nov 4, 2025·0 cites·20 claims
- 4864US11067351B2Ratcheting magazine assemblyUNDERWOOD JAMES MATTHEW·Filed 2019·Granted Jul 20, 2021·2 cites·26 claims
- 4964US10088265B2Rear trunnion and folding stock fitting assembliesUNDERWOOD JAMES MATTHEW·Filed 2017·Granted Oct 2, 2018·3 cites·11 claims
- 5063US11796269B2Firearm operating mechanisms and bolt releaseUNDERWOOD JAMES MATTHEW·Filed 2022·Granted Oct 24, 2023·0 cites·20 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
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