George Kellgren
14Patents
8h-index
1Co-inventors
58Inventor score
Filing activity: Nov 24, 2004 → Feb 13, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9534861B1 | Tubular magazine firearm with sheet metal receiver | Mechanical Engineering; Lighting; Heating | 41 | Active |
| USD828892S1 | Handgun with improved slide | General | 40 | Active |
| USD665042S1 | Firearm | General | 20 | Active |
| USD527788S1 | Foldable bayonet | General | 16 | Expired |
| US8819976B1 | Tubular magazine firearm with sheet metal receiver | Mechanical Engineering; Lighting; Heating | 15 | Active |
| US7469496B1 | Dual pivoting extractors | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US9200857B1 | Hollow hammer with downward ejecting chamber for rifle | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US9021935B1 | Hollow hammer with downward ejecting chamber for rifle | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US10184738B1 | Handgun with improved slide | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US11466949B2 | Folding firearm | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US11725894B2 | Firearm magazine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US12007191B1 | Semiautomatic handgun | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11248864B2 | Compact firearm | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11971231B2 | Pistol | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.