| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Accessories for machine tools | |
| #2 | Nails | |
| #3 | Unspecified technologies | |
| #4 | Unspecified technologies | |
| #5 | Explosive charges | |
| #6 | Metal-working | |
| #7 | Fillers | |
| #8 | Shaping of plastics | |
| #9 | Certain plastics | |
| #10 | Postal sorting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hallowell Jr Howard Thomas | 7 |
| #2 | Gade Harald F | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB592453A | Indexing means for rotary work tables | |
| US2421327A | Turret traversing and indexing device | |
| US2426969A | Depositing device for plastic materials | |
| US2346575A | Transfer mechanism | |
| US2376137A | Indexing means for rotary worktables | |
| US2393246A | Inspection gauge | |
| US2380306A | Transfer mechanism | |
| US2314780A | Lock nut and method of manufacture | |
| US2316684A | Self-locking nut | |
| US2324925A | Assembling machine | |
| US2290175A | Self-locking nut | |
| US2299085A | Self-locking nut |