| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 51 |
| # | Industry | |
|---|---|---|
| #1 | Weapons | |
| #2 | Optics | |
| #3 | Measurement | |
| #4 | Machines | |
| #5 | Control | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Weapon sights | |
| #2 | Optical systems | |
| #3 | Radio navigation | |
| #4 | Ammunition fuzes | |
| #5 | Teaching materials | |
| #6 | Measuring distances | |
| #7 | General building constructions | |
| #8 | Explosive charges | |
| #9 | Cameras | |
| #10 | Analysing materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Karnes James C | 51 |
| #2 | Kessenich Gregory J | 7 |
| Publication | Filing date | Title |
|---|---|---|
| US2430469A | Luminous gun sight | |
| US2294408A | Fire control training system | |
| US2270307A | Detector for invisible radiation | |
| US2167657A | Periscope | |
| US2138035A | Position finding instrument | |
| US2162723A | Sighting apparatus | |
| US2171571A | Illuminated reticle | |
| US2129695A | Clinometer | |
| US2032366A | Ordnance sight | |
| US2048703A | Sight mounting | |
| US2094015A | Sight for ordnance | |
| US2116519A | Independent elevation indicator for guns | |
| US2075854A | Predicting device | |
| US2082802A | Plotting board | |
| US2088600A | Position comparator | |
| US2124575A | Acoustic device | |
| US2052571A | Sighting device for guns | |
| US2017066A | Telescopic sight for guns | |
| US1994474A | Optical system | |
| US2106748A | Container |