Kevin Langevin
33Patents
13h-index
16Co-inventors
78Inventor score
Filing activity: Sep 21, 1994 → Apr 10, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8631601B2 | Automatic or semiautomatic rifle with folding clamshell buttstock | Mechanical Engineering; Lighting; Heating | 94 | Active |
| US7966761B1 | Automatic or semiautomatic rifle with folding stock | Mechanical Engineering; Lighting; Heating | 84 | Active |
| US8245429B2 | Automatic or semiautomatic rifle with folding stock | Mechanical Engineering; Lighting; Heating | 64 | Active |
| US8336243B2 | Firearm having a removable hand guard | Mechanical Engineering; Lighting; Heating | 49 | Active |
| US8893607B2 | Trigger and hammer for automatic and semi-automatic rifles | Mechanical Engineering; Lighting; Heating | 36 | Active |
| US5640794A | Fire control mechanism for an automatic pistol | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US5907918A | Rifle buttstock | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5676241A | Holder for plural ammunition magazines | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5493806A | Striker retaining system for a firearm | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5806225A | Fire control mechanism for an automatic pistol | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US9404714B2 | Modular rail system and firearm with modular rail system | Mechanical Engineering; Lighting; Heating | 19 | Active |
| USD709581S1 | Firearm | General | 14 | Active |
| US9459060B2 | Modular firearm | Emerging Cross-Sectional Technologies | 14 | Active |
| US8776420B2 | Firearm having a removable hand guard | Mechanical Engineering; Lighting; Heating | 13 | Active |
| US8245626B2 | Firearm having a direct gas impingement operating system | Emerging Cross-Sectional Technologies | 12 | Active |
| US9823031B2 | Modular automatic or semi-automatic rifle | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US9404694B2 | Firearm | Mechanical Engineering; Lighting; Heating | 11 | Active |
| USD405148S | Rifle buttstock | General | 8 | Expired |
| US9803945B2 | Trigger and hammer for automatic and semi-automatic rifles | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US9410755B2 | Locking front sight for a firearm and firearm with locking front sight | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US10101101B2 | Modular firearm | Emerging Cross-Sectional Technologies | 3 | Active |
| US10393481B2 | Modular rail system and firearm with modular rail system | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US10288368B2 | Gas regulator and locking front sight for a firearm and firearm with gas regulator and locking front sight | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9389034B2 | Gas regulator for a firearm and firearm with gas regulator | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8807011B2 | Firearm having a direct gas impingement operating system | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.