Patent assignee · US · COMPANY

Springfield, Inc.

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45Patents
39Active
45Granted
62Portfolio score

Filing activity: Oct 24, 1991 → Nov 14, 2023 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
USD397704S Transparent reticle disk General 110 Expired
USD403686S Transparent reticle disk General 97 Expired
USD963780S1 Optic for a firearm General 23 Active
USD865897S1 Pistol General 18 Active
US10401122B2 Free floating handguard anchoring system Mechanical Engineering; Lighting; Heating 16 Active
USD963099S1 Rifle General 14 Active
US11747112B2 Firearm sights and assemblies Physics 13 Active
US10330413B2 Half-cock trigger safety assembly Mechanical Engineering; Lighting; Heating 12 Active
US10760861B2 Firearm slide with sloped bottom surface Mechanical Engineering; Lighting; Heating 12 Active
US6269576A Disablement mechanism for a firearm Mechanical Engineering; Lighting; Heating 11 Expired
US7340987B1 Conversion platform for a .45 ACP pistol Mechanical Engineering; Lighting; Heating 10 Expired
USD1002781S1 Optic for a firearm General 9 Active
USD1025275S1 Optic for a firearm General 9 Active
US6691445B2 Disablement mechanism for a firearm Mechanical Engineering; Lighting; Heating 8 Expired
US10222150B2 Latched charging handle with mechanical advantage separator Mechanical Engineering; Lighting; Heating 7 Active
USD1024252S1 Rifle General 7 Active
USD862629S1 Handguard General 7 Active
USD875870S1 Firearm receiver General 6 Active
USD1049292S1 Pistol General 4 Active
USD1029171S1 Firearm grip General 4 Active
US11131525B2 Free floating handguard anchoring system Mechanical Engineering; Lighting; Heating 3 Active
US7832135B1 Model 1911 type firearm safety lock Emerging Cross-Sectional Technologies 2 Active
US7571672B1 Conversion platform for a .45 ACP pistol Mechanical Engineering; Lighting; Heating 2 Active
US11624568B2 Bolt assembly Mechanical Engineering; Lighting; Heating 2 Active
USD923129S1 Free floating handguard anchoring system General 2 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.