| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Packaging and shipping | |
| #3 | Machines | |
| #4 | Transport | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Gearing | |
| #3 | Winches | |
| #4 | Clutches and brakes | |
| #5 | Cranes | |
| #6 | Locomotives | |
| #7 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Turney Harry L | 20 |
| #2 | Kalb Henry A | 1 |
| #3 | Labbe Antoine G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1979780A | Draw works | |
| US1697940A | Conveying system | |
| US1697939A | Aerial conveyer system | |
| US1710441A | Clutch mechanism | |
| US1697938A | Aerial conveyer system | |
| US1614329A | Logging engine | |
| US1612239A | Speed-changing device | |
| US1505509A | Geared locomotive | |
| US1612238A | Logging engine | |
| US1520734A | Driving mechanism | |
| US1371712A | Locomotive | |
| US1520733A | Clutch mechanism | |
| US1331295A | Logging-engine | |
| US1349742A | Two-speed logging-engine | |
| US1259173A | Logging-engine. | |
| US1051291A | Pneumatic snubbing means. | |
| CA277521A | Aerial conveyor system | |
| CA282837A | Conveying system | |
| CA278322A | Aerial conveyer system | |
| CA266492A | Clutch mechanism |