| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Earth drilling | |
| #3 | Unspecified technologies | |
| #4 | Clutches and brakes | |
| #5 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Beckwith Robert C | 10 |
| #2 | Hecker Robert W Jr | 8 |
| #3 | Brown Douglas A | 1 |
| #4 | Weaver Stuart M | 1 |
| #5 | Martin Loomis | 1 |
| #6 | Jonah Reynard | 1 |
| #7 | Lott Daniel L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3699601A | Dockboard assembly | |
| GB1340868A | Dockboard | |
| US3583014A | Dockboard assembly | |
| US3530488A | Dockboard | |
| US3553756A | Dockboard | |
| US3579696A | Dockboard | |
| US3516103A | Dockboard | |
| US3486181A | Dockboard | |
| US3497893A | Dockboard assembly | |
| US3460175A | Dockboard assembly | |
| US3426377A | Dockboard | |
| US3137876A | Dock leveler construction | |
| US2814207A | Outboard bearing | |
| US1523791A | Cable attachment for drilling machines | |
| US1257718A | Clutch. |