| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Consumer goods | |
| #3 | Engines, pumps and turbines | |
| #4 | Electrical machinery and energy | |
| #5 | Control | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Pumps | |
| #3 | Harnesses | |
| #4 | Buttons, pins and buckles | |
| #5 | Nails | |
| #6 | Portable lighting devices | |
| #7 | Coin-freed | |
| #8 | Garment fastenings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lawhead James W | 10 |
| #2 | Carpenter John Hunt | 1 |
| #3 | Hoffman Edgar Oscar | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1425663A | Air pump | |
| US1205645A | Electric-battery lamp. | |
| US1171447A | Apparatus for feeding batter to a baking-machine. | |
| CA139849A | Baking machine | |
| US1150211A | Automatic baking-machine. | |
| US998911A | Connecting device. | |
| US1006664A | Connecting device. | |
| US985608A | Connecting device. | |
| CA86313A | Harness snap | |
| US775678A | Harness-snap. | |
| US1295529A | Air-compressor. |