| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Furniture and games | |
| #4 | Civil engineering | |
| #5 | Weapons | |
| #6 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bjarne Henricksen | 5 |
| #2 | Ellis Charles E | 2 |
| #3 | Schryver Levi E | 1 |
| #4 | Francis Crosby Peter | 1 |
| #5 | Crosby Peter F | 1 |
| #6 | Weaver H | 1 |
| #7 | Francis Stewart Charles | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3846939A | Safety astragal | |
| US3260330A | Automatic doors for a dumbwaiter system | |
| US2886183A | Slide-tilt tray filing system | |
| US2915195A | Storage systems | |
| US2856027A | Inclined passenger elevators | |
| US2449117A | Conveyer | |
| US2405691A | Elevator | |
| US2390302A | Conveyer | |
| US2377483A | Elevator | |
| US2180825A | Elevator safety device | |
| US2042937A | Power system for elevators and the like | |
| US1923034A | Electrically driven dumb waiter, etc. |