| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 1 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools | |
| #3 | Mechanical elements | |
| #4 | Audio-visual technology | |
| #5 | Chemical engineering | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Venting or aerating devices | |
| #3 | Turning | |
| #4 | Earth drilling | |
| #5 | Advertising | |
| #6 | Chemical or physical laboratory devices | |
| #7 | Unspecified technologies | |
| #8 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Palmer John M | 10 |
| #2 | Trites William F | 1 |
| #3 | Schmidt Rudolf A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9125867D0 | A refrigerated transportable container | |
| US2839855A | Displays | |
| US1945292A | Tool holder | |
| US1945291A | Tool holder | |
| US1582077A | Tool holder for lathes | |
| US1328098A | Valve | |
| US1265495A | Valve. | |
| US1258937A | Valve. | |
| US1203395A | Valve. | |
| US1088616A | Valve. | |
| CA52971A | Wrench |