| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 24 | |
| #2 | EPO (European Patent Office) | 5 | |
| #3 | Japan | 3 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Civil engineering | |
| #3 | Machines | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Registering devices | |
| #2 | Locks | |
| #3 | Unspecified technologies | |
| #4 | Internal-combustion piston engines | |
| #5 | Rotary pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Miller J Clayton | 18 |
| #2 | Clark Thomas | 14 |
| #3 | Taylor James L | 14 |
| #4 | Dawson Gerry | 14 |
| #5 | Harvey Michael | 14 |
| #6 | Harvey Michael P | 13 |
| #7 | Miller James C | 4 |
| #8 | Thompson Daniel Lee | 3 |
| #9 | Miller J C | 3 |
| #10 | Dawson Gerald Lee | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US5684457A | Tamper indication system for combination locks | |
| US5711268A | Rotary vane engine | |
| JPH06229155A | Security lock mechanism | |
| US5061923A | Computerized combination lock |