| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | Germany | 3 | |
| #3 | France | 3 | |
| #4 | United Kingdom | 3 | |
| #5 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Elevators and escalators | |
| #2 | Milling | |
| #3 | Transport or storage devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Muller Donald C | 4 |
| #2 | C Muller Donald | 2 |
| #3 | Beard William E | 2 |
| #4 | Muller Donald Calvert | 1 |
| #5 | Eugene Beard William | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1164714A | Accumulation Conveyor | |
| DE1505971A1 | Pedestrian transport arrangement | |
| GB1039010A | Pedestrian transporting structure | |
| US3232417A | Continuous action deflector for conveyors | |
| US3260468A | Grinding mill and blower combination | |
| US3185108A | Pedestrian carrier | |
| CA838515A | Pressureless accumulation conveyor | |
| CA810648A | Material reducing mill | |
| CA753489A | Pedestrian transporting conveyor |