Robert Hirt
13Patents
8h-index
19Co-inventors
69Inventor score
Filing activity: Oct 14, 1997 → Apr 16, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5798939A | System for optimizing power network design reliability | Emerging Cross-Sectional Technologies | 112 | Expired |
| USD731023S1 | Folding stock for submachine gun | General | 34 | Active |
| USD725219S1 | Telescoping stock for submachine gun | General | 28 | Active |
| USD724688S1 | Grip for submachine gun | General | 19 | Active |
| USD725213S1 | Submachine gun | General | 16 | Active |
| USD764620S1 | Firearm | General | 15 | Active |
| USD725220S1 | Hand guard for submachine gun | General | 15 | Active |
| USD815710S1 | Firearm | General | 13 | Active |
| US8367951B2 | Vacuum based diverter switch for tap changer | Electricity | 8 | Active |
| US8074556B2 | Locking systems for use with firearms | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US9151558B1 | Sear trip bar for a firearm | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US9766026B2 | Gas operating system for an automatic pistol-caliber firearm | Mechanical Engineering; Lighting; Heating | 2 | Active |
| USD870836S1 | Firearm | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.