| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 55 | |
| #2 | Canada | 6 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Accessories for machine tools | |
| #3 | Measuring length, angles and areas | |
| #4 | Turning | |
| #5 | Milling | |
| #6 | Grinding or polishing devices | |
| #7 | Thread cutting | |
| #8 | Sawing | |
| #9 | Lubricating | |
| #10 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hanson Bengt M W | 61 |
| #2 | Henrikson Emanuel | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1499730A | Gauge instrument | |
| US1499729A | Screw-thread-gauge device | |
| US1499731A | Tolerance gauge for tapered threads | |
| US1520714A | Tap | |
| US1543007A | Tap | |
| US1520713A | Milling machine | |
| US1523771A | Magnetic chuck | |
| US1469833A | Chuck | |
| US1499728A | Chuck | |
| US1465266A | Wheel-truing mechanism | |
| US1499773A | Work driver for lathes | |
| US1515039A | Metal-working machine | |
| US1446645A | Thread gauge | |
| US1520712A | Metal-working machine | |
| US1542876A | Grinding machine | |
| US1499772A | Chuck | |
| US1499727A | Collet mechanism | |
| US1523958A | Metal-working machine | |
| US1489577A | Gauge | |
| US1489575A | Gauge |