| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | United States | 4 | |
| #3 | United Kingdom | 2 | |
| #4 | Germany | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Thermal processes | |
| #3 | Packaging and shipping | |
| #4 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Parkes Ralph C | 6 |
| #2 | Schlecht Charles H | 3 |
| #3 | N Lockhart Frank | 1 |
| #4 | Clark Howard M | 1 |
| #5 | Henry William J | 1 |
| #6 | Hoefle Frederick C | 1 |
| #7 | Leotta Samuel S | 1 |
| #8 | Lockhart Frank Norton | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4231470A | Conveyor system | |
| GB1207189A | Improvements in or relating to door structures | |
| GB1149454A | Improved heat transfer roll | |
| US3147899A | Web festooning device | |
| US3191757A | Endless-type conveyor | |
| US3021609A | Adjustable air discharge nozzle for a drying machine | |
| CA712442A | Drying machine | |
| CA568690A | Tow feeding machine | |
| CA837875A | Explosion relief closure | |
| CA692461A | Drying machine |