| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Thread cutting | |
| #3 | Turning | |
| #4 | Measuring volume | |
| #5 | Metal-working | |
| #6 | Servomotors | |
| #7 | Accessories for machine tools | |
| #8 | Punching metal | |
| #9 | Sawing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wells Frederic E | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US3323362A | Positive displacement flowmeter | |
| US1166505A | Pipe-cutter. | |
| US1125784A | Method of making dies. | |
| US1099681A | Tap-wrench. | |
| US1083040A | Flexible die-holder. | |
| US1048921A | Die-blank. | |
| US1046518A | Tap. | |
| US1007317A | Thread-cutting die. | |
| US962184A | Die-stock. | |
| US736045A | Screw-plate. | |
| US714841A | Screw-machine. | |
| US691424A | Motor. | |
| US662209A | Tool-turret for screw-machines, & c. | |
| US632977A | Die for cutting screw-threads. |