| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Electrical machinery and energy | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Grinding or polishing devices | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Accessories for machine tools | |
| #5 | Magnets and transformers | |
| #6 | Shafts | |
| #7 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Walker Oakley S | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US1031031A | Electrical switch. | |
| US1091407A | Grinding-machine. | |
| US1013574A | Magnetic chuck. | |
| US756302A | Grinding-machine. | |
| US730808A | Adjustable bearing-box. | |
| US732803A | Grinding-machine. | |
| US712871A | Grinding-machine. | |
| US670523A | Grinding-machine. | |
| US693471A | Grinding-machine. | |
| US691828A | Magnetic chuck. | |
| US643927A | Drill-grinder. | |
| US669051A | Demagnetizer. | |
| US651908A | Magnetic chuck. |