| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 376 | |
| #2 | Canada | 33 | |
| #3 | United Kingdom | 4 | |
| #4 | France | 3 | |
| #5 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Textiles and paper | |
| #4 | Weapons | |
| #5 | Chemical engineering | |
| #6 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jennings Chester S | 63 |
| #2 | Cowley James T | 61 |
| #3 | Maclaren James G | 28 |
| #4 | Allen Lavont C | 18 |
| #5 | Taisey Fred R | 17 |
| #6 | Taylor William J | 16 |
| #7 | Amsden George A | 15 |
| #8 | Pearsall Albert W | 14 |
| #9 | Perry Harold R | 10 |
| #10 | Powell Frank D | 10 |
| Publication | Filing date | Title |
|---|---|---|
| US2206275A | Manufacture of shoes | |
| US2216685A | Conveyer | |
| US2198179A | Conveyer | |
| US2194912A | Conveyer | |
| US2139126A | Pneumatic dispatch system | |
| US2154853A | Conveyer mechanism | |
| US2124387A | Machine for making frozen confections | |
| US2166380A | Machine for making frozen confections | |
| US2166381A | Confection machine | |
| US2139112A | Blower | |
| US2207434A | Pneumatic dispatch system | |
| US2152312A | Treatment of leather | |
| US2127850A | Confection machine | |
| US2150445A | Art of drying materials | |
| US2129510A | Conveyer mechanism | |
| US2146687A | Driving mechanism | |
| US2070917A | Conveyer system | |
| US2164174A | Hydroextractor | |
| US2136267A | Conveyer mechanism | |
| US2132362A | Conveyer system |