| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 19 | |
| #2 | United Kingdom | 5 | |
| #3 | Canada | 2 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Packaging and shipping | |
| #5 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Scaffolding | |
| #3 | Nails | |
| #4 | Swimming pools | |
| #5 | Winches | |
| #6 | Textile treatments | |
| #7 | Unspecified technologies | |
| #8 | Shafts | |
| #9 | Ladders | |
| #10 | Cranes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Karlsen Stig | 6 |
| #2 | Frank Roger | 4 |
| #3 | Anderson Arvid A | 4 |
| #4 | Reilly Robert M | 4 |
| #5 | Hauck Robert Martin | 2 |
| #6 | Anderson Arvid Astrid | 2 |
| #7 | Pyritz Mary B | 2 |
| #8 | Hauck Robert M | 2 |
| #9 | Craighead Philip B | 2 |
| #10 | Nelson George H | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US6062341A | Guard rail stud adapter | |
| US5882136A | End cap system for scaffolding planks | |
| US5762441A | End cap system for scaffolding planks | |
| US3178154A | Power actuator mechanism | |
| US3157916A | Locking mechanism for collapsible bleacher | |
| GB907452A | Scaffold bracket | |
| FR1240424A | Scaffolding console | |
| US3077642A | Self-supporting structure | |
| US2928642A | Scaffold bracket | |
| GB724932A | Telescopic tower | |
| US2698552A | Stud | |
| US2671638A | Safety device | |
| GB715358A | Adjustable prop or shore | |
| GB731352A | Winch | |
| US2760707A | Scaffold stair unit | |
| US2677299A | Speed nut having relatively movable halves | |
| US2620030A | Multicrop tube shear | |
| US2569632A | Joint | |
| GB657268A | Improvements in or relating to couplings for tubes and the like | |
| US2590610A | Winch |