Inventor · disambiguated record
Charles David Williams
Also filed as: WILLIAMS CHARLES D · WILLIAMS CHARLES DAVID
29 granted patents·5 pending applications·286 citations·filing 1988–2024
96Inventor score
Top patents by PatentIndex Score
34 records- 0196US10401122B2Free floating handguard anchoring systemSPRINGFIELD INC·Filed 2018·Granted Sep 3, 2019·23 cites·21 claims
- 0295US11131525B2Free floating handguard anchoring systemSPRINGFIELD INC·Filed 2020·Granted Sep 28, 2021·6 cites·19 claims
- 0393US10330413B2Half-cock trigger safety assemblySPRINGFIELD INC·Filed 2017·Granted Jun 25, 2019·19 cites·20 claims
- 0492US10760861B2Firearm slide with sloped bottom surfaceSPRINGFIELD INC·Filed 2019·Granted Sep 1, 2020·18 cites·20 claims
- 0591USD963099SRifleSPRINGFIELD INC·Filed 2020·Granted Sep 6, 2022·15 cites·1 claims
- 0688US11624568B2Bolt assemblySPRINGFIELD INC·Filed 2021·Granted Apr 11, 2023·3 cites·19 claims
- 0787USD1024252SRifleSPRINGFIELD INC·Filed 2022·Granted Apr 23, 2024·9 cites·1 claims
- 0886USD865897SPistolSPRINGFIELD INC·Filed 2018·Granted Nov 5, 2019·27 cites·1 claims
- 0986US4930978ACompressor stage with multiple vented inducer shroudHOUSEHOLD MFG INC·Filed 1988·Granted Jun 5, 1990·88 cites·30 claims
- 1076USD987011SFirearm receiverSPRINGFIELD INC·Filed 2021·Granted May 23, 2023·4 cites·1 claims
- 1176USD944351SFirearm receiverSPRINGFIELD INC·Filed 2020·Granted Feb 22, 2022·5 cites·1 claims
- 1274US12066267B1System for pivoting a buffer tube assemblySPRINGFIELD INC·Filed 2023·Granted Aug 20, 2024·1 cites·23 claims
- 1374US2025130013A1Free floating handguard anchoring systemSPRINGFIELD INC·Filed 2024·Application pending·0 cites
- 1471US7340987B1Conversion platform for a .45 ACP pistolSPRINGFIELD INC·Filed 2005·Granted Mar 11, 2008·14 cites·18 claims
- 1569US12135186B2Free floating handguard anchoring systemSPRINGFIELD INC·Filed 2023·Granted Nov 5, 2024·0 cites·18 claims
- 1667US10712123B2Free floating handguard anchoring systemSPRINGFIELD INC·Filed 2019·Granted Jul 14, 2020·2 cites·19 claims
- 1766US2025012543A1Rifle stockSPRINGFIELD INC·Filed 2024·Application pending·0 cites
- 1866US2025027746A1Rifle stockSPRINGFIELD INC·Filed 2024·Application pending·0 cites
- 1964USD875870SFirearm receiverSPRINGFIELD INC·Filed 2017·Granted Feb 18, 2020·7 cites·1 claims
- 2062USD1036609SFree floating handguard anchoring systemSPRINGFIELD INC·Filed 2021·Granted Jul 23, 2024·2 cites·1 claims
- 2162US11959714B2Bolt assemblySPRINGFIELD INC·Filed 2023·Granted Apr 16, 2024·0 cites·15 claims
- 2262US11740051B2Free floating handguard anchoring systemSPRINGFIELD INC·Filed 2021·Granted Aug 29, 2023·0 cites·24 claims
- 2361US6691445B2Disablement mechanism for a firearmSPRINGFIELD INC·Filed 2001·Granted Feb 17, 2004·14 cites·20 claims
- 2460US6269576B1Disablement mechanism for a firearmSPRINGFIELD INC·Filed 1999·Granted Aug 7, 2001·20 cites·28 claims
- 2560US2024247893A1Adjustable gas block assembly for a gas operated semi-automatic firearmSPRINGFIELD INC·Filed 2023·Application pending·0 cites
- 2659US12104878B2Rifle stockSPRINGFIELD INC·Filed 2021·Granted Oct 1, 2024·0 cites·20 claims
- 2755US7571672B1Conversion platform for a .45 ACP pistolSPRINGFIELD INC·Filed 2008·Granted Aug 11, 2009·4 cites·28 claims
- 2851USD923129SFree floating handguard anchoring systemSPRINGFIELD INC·Filed 2017·Granted Jun 22, 2021·4 cites·1 claims
- 2950USD1057880SPistolHS PRODUKT D O O·Filed 2021·Granted Jan 14, 2025·1 cites·1 claims
- 3047US10871338B2Half-cock trigger safety assemblySPRINGFIELD INC·Filed 2019·Granted Dec 22, 2020·0 cites·20 claims
- 3145US12025404B1System for pivoting a buffer tube assemblySPRINGFIELD INC·Filed 2023·Granted Jul 2, 2024·0 cites·20 claims
- 3243USD1086349SFirearmSPRINGFIELD INC·Filed 2023·Granted Jul 29, 2025·0 cites·1 claims
- 3343USD1072996SFirearmSPRINGFIELD INC·Filed 2023·Granted Apr 29, 2025·0 cites·1 claims
- 3443US2020025477A1Adjustable gas block assembly for a gas operated semi-automatic firearmSPRINGFIELD INC·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →