| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 2 | |
| #3 | Denmark | 1 | |
| #4 | Spain | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Producing goods from plastic | |
| #5 | Shafts | |
| #6 | Sawing | |
| #7 | Postal sorting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Barry Nicholas | 5 |
| #2 | Allen Clyde | 2 |
| #3 | Barry Robert K | 1 |
| #4 | Nicholas Barry | 1 |
| #5 | Barry Thomas F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2343042A | Classifying machine | |
| US1421377A | Split loose pulley bushing | |
| US1452779A | Water-jet head attachment for button-blank-cutting machines | |
| CA169436A | Pulley | |
| CA166534A | Shaft hanger | |
| US1167672A | Shaft-hanger. | |
| US1179393A | Small steel split pulley. | |
| US1177565A | Sheet-metal pulley. |