| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Surface technology and coating | |
| #4 | Chemical engineering | |
| #5 | Packaging and shipping | |
| #6 | Mechanical elements | |
| #7 | Transport | |
| #8 | Agriculture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Murray Ernest E | 15 |
| #2 | Knapp Arthur D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3323247A | Fishing bobber | |
| US3295261A | Work wheel mechanism and associated apparatus | |
| US3165867A | Finishing wheel | |
| US2981226A | Roller coater machine | |
| US2929486A | Sealed conveyor | |
| US2929175A | Buffer wheel mounting | |
| US2691446A | Oil filter | |
| US2701937A | Blade polishing machine | |
| US2597256A | Polishing belt control means | |
| US2431822A | Abrasive belt polishing machine | |
| US2324416A | Buffing or polishing machine | |
| US2325701A | Polishing machine | |
| US2325622A | Buffing machine | |
| US1911322A | Gear shift lever | |
| CA550828A | Perforated rotatable filter drum |