| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools | |
| #3 | Mechanical elements | |
| #4 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Accessories for machine tools | |
| #3 | Turning | |
| #4 | Springs | |
| #5 | Presses | |
| #6 | Pipes | |
| #7 | Special electric heating or lighting | |
| #8 | Unspecified technologies | |
| #9 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brown Jr John Wilson | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US1946421A | Positioning means for drilling machines | |
| US1911304A | Rotary gang drill | |
| US1911303A | Bossed arm drilling machine | |
| US1946420A | Indexed cam-controlled clamping jig | |
| US1911302A | Multiple operation multiple spindle drill | |
| US1911301A | Multiple-drilling spindle machine | |
| US1618912A | Press | |
| US1510135A | Machine tool | |
| US1506812A | Electric heater | |
| US1519952A | Work-positioning device for drilling machines | |
| US1434197A | Dashpot | |
| US1499851A | Swivel joint for pipes | |
| US1386491A | Thrust-bearing | |
| US1467526A | Drilling machine |