| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Engines, pumps and turbines | |
| #4 | Machine tools | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Gearing | |
| #3 | Internal-combustion piston engines | |
| #4 | Gas-turbine plants | |
| #5 | Vehicle wheels | |
| #6 | Clutches and brakes | |
| #7 | Making metal chains |
| # | Name | Total Patents |
|---|---|---|
| #1 | Judson Whitcomb L | 14 |
| Publication | Filing date | Title |
|---|---|---|
| CA98322A | Separable fastener | |
| US700333A | Tread for wheels. | |
| US699760A | Chain-making machine. | |
| US712805A | Explosive-engine. | |
| US690586A | Variable-speed power-transmision mechanism. | |
| US690585A | Power-transmission device. | |
| US695731A | Explosive-engine. | |
| US689887A | Reversible clutch. | |
| US671676A | Power-transmitting device. | |
| US671675A | Power-transmitting device. | |
| US671674A | Apparatus for generating and utilizing elastic fluids. | |
| US671673A | Variable-speed reversing-drive for automobiles. | |
| CA33580A | Street railway | |
| CA32169A | Mechanical movement |