| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 43 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Measurement | |
| #4 | Mechanical elements | |
| #5 | Audio-visual technology | |
| #6 | Transport | |
| #7 | Machine tools | |
| #8 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Locks | |
| #3 | Unspecified technologies | |
| #4 | Shafts | |
| #5 | Testing of structures | |
| #6 | Measuring distances | |
| #7 | Television | |
| #8 | Aeroplanes | |
| #9 | Non-positive-displacement pumps | |
| #10 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ellison Best Frank | 43 |
| Publication | Filing date | Title |
|---|---|---|
| US3210975A | Hotel indicator lock | |
| US3261189A | Single shear line lock | |
| US3206959A | Interchangeable lock cores | |
| US3206958A | Interchangeable lock cores | |
| US3210976A | Cylindrical lock | |
| US2907197A | Lock with lock controlled assembly | |
| US2904989A | Key-in-knob lock | |
| US2990223A | Tapered roller bearing | |
| US2807158A | Multiple shear line lock with breech lock assembly means | |
| US2814941A | Lock core | |
| US2568983A | Keeper | |
| US2576440A | Privacy latch | |
| US2574726A | Knob set privacy latch | |
| US2608094A | Ground following map and navigation instrument | |
| US2440429A | Key | |
| US2440433A | Unpickable lock | |
| US2440432A | Lock core | |
| US2440430A | Lock-throw mechanism | |
| US2440434A | System of locks | |
| US2440428A | Key bit |