| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Electrical machinery and energy | |
| #4 | Engines, pumps and turbines | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Sawing | |
| #3 | Cutting | |
| #4 | Blasting | |
| #5 | Spark gaps and corona devices | |
| #6 | Supplying combustion engines | |
| #7 | Gearing | |
| #8 | Wood saws |
| # | Name | Total Patents |
|---|---|---|
| #1 | Berry Robert C | 17 |
| #2 | E C Atkins And Company | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1803458A | Clutch | |
| CA187697A | Range | |
| CA191294A | Band saw | |
| US1287193A | Band-saw. | |
| US1339014A | Carbon-removing means for internal-combustion engines | |
| US1221959A | Carbon-removing means for internal-combustion engines. | |
| US1230654A | Method and means for removing carbon in internal-combustion engines. | |
| US1138927A | Hacksaw-machine. | |
| US1152696A | Band-saw. | |
| CA155844A | Saw | |
| CA155843A | Hack saw guide | |
| US1091726A | Hacksaw-guide. | |
| US1056880A | Power-hacksaw. | |
| CA115618A | Sawing mechanism | |
| US926802A | Power-hacksaw. | |
| US907445A | Power-hacksaw. | |
| US668280A | Letter-opening machine. |