| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 | |
| #2 | Canada | 8 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Transport | |
| #3 | Packaging and shipping | |
| #4 | Civil engineering | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Unspecified technologies | |
| #3 | Cranes | |
| #4 | Unspecified technologies | |
| #5 | Transport or storage devices | |
| #6 | Machines for making railways | |
| #7 | Dredging | |
| #8 | Load transportation vehicles | |
| #9 | Railway brakes | |
| #10 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lamb Frank H | 26 |
| #2 | Lamb George E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2115994A | Hinged connection | |
| US2157711A | Tractor | |
| US1997001A | Bulldozer | |
| US1973214A | Hinged connection | |
| US1965244A | Self laying track for tractors | |
| US1997000A | Dump body tractor | |
| US1987688A | Logging tractor | |
| US1970756A | Traction belt and shoe | |
| US1665373A | Conveyer flight | |
| US1687840A | Rail-connecting rod | |
| US1576520A | Detachable conveyer bucket | |
| US851529A | Wire-stretcher. | |
| CA101247A | Undercutter suppport for saws | |
| US830238A | Undercutter-support. | |
| US758260A | Gripping device. | |
| CA79145A | Cableway system | |
| US722721A | Bridle for cableway systems. | |
| US722720A | Conveyer-carriage. | |
| US719477A | Tramway-carriage. | |
| US719478A | Cableway system. |