| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Germany | 3 | |
| #3 | France | 3 | |
| #4 | Italy | 2 | |
| #5 | Sweden | 2 | |
| #6 | Canada | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machine tools | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Cranes | |
| #3 | Punching metal | |
| #4 | Handling thin material | |
| #5 | Elevators and escalators | |
| #6 | Load transportation vehicles | |
| #7 | Hand carts | |
| #8 | Lifting and pushing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dean George A | 8 |
| #2 | Henke John R | 2 |
| #3 | Dean G | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US4489970A | Apparatus for lifting heavy metal plate materials | |
| US4232776A | Accelerating walkway | |
| US3976321A | Sheet material handling apparatus | |
| DE2423138A1 | Conveying and guiding glass plates - plate movement direction altered by changing position of conveying rollers | |
| DE2422010A1 | PANEL STACKING DEVICE | |
| US3934871A | Accumulator | |
| US3910402A | Routing and conveying apparatus | |
| US3698577A | Transporting system |