| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 | |
| #2 | Canada | 6 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Mechanical elements | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Lifting and pushing | |
| #3 | Load transportation vehicles | |
| #4 | Cranes | |
| #5 | Unspecified technologies | |
| #6 | Shafts | |
| #7 | Vehicle suspension arrangements | |
| #8 | Clutches and brakes | |
| #9 | Mechanical control devices | |
| #10 | Dredging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnson George V | 8 |
| #2 | Shoemaker Robert C | 5 |
| #3 | Dimick Henry N | 4 |
| #4 | John Mcneil Donald | 1 |
| #5 | Wright Claude L | 1 |
| #6 | Grab Gustav A | 1 |
| #7 | Noel Dimick Henry | 1 |
| #8 | Mcneil Donald J | 1 |
| #9 | Holland William H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2464492A | Self-aligning bearing | |
| US2388015A | Vehicle loader | |
| US2387077A | Lift truck | |
| US2410965A | Load hoist and grappling control | |
| US2349353A | Industrial truck | |
| US2394940A | Truck loader | |
| US2337109A | Industrial truck | |
| US2362220A | Tractor mounted crane | |
| US2336965A | Folding crane | |
| US2349352A | Industrial truck | |
| US2321029A | Industrial lift truck | |
| US2298529A | Shock absorber for straddle trucks | |
| US2305630A | Logging equipment | |
| US2316938A | Shoe control mechanism for straddle trucks | |
| US2008324A | Lumber carrier with front lift | |
| US2055258A | Friction clutch operating mechanism | |
| CA436788A | Tractor mounted crane | |
| CA424417A | Industrial truck | |
| CA419089A | Straddle truck shoe control mechanism | |
| CA425233A | Industrial truck |