| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools | |
| #3 | Mechanical elements | |
| #4 | Packaging and shipping | |
| #5 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Punching metal | |
| #3 | Clutches and brakes | |
| #4 | Presses | |
| #5 | Unspecified technologies | |
| #6 | Accessories for machine tools | |
| #7 | Gearing | |
| #8 | Lifting and pushing | |
| #9 | Horticulture | |
| #10 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Howland-Shearman Charles H | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US2039849A | Tool head | |
| US2039846A | Clutch | |
| US2039848A | Adjustable micrometer crank | |
| US2039843A | Work supporting table | |
| US2039845A | Synchronizing flywheel and gear drives | |
| US2039844A | Power transmitting machinery | |
| US2039841A | Method for working substances | |
| US2039847A | Work head | |
| US2039842A | Machine tool | |
| US2039840A | Method for causing cold flow in substances | |
| US1400605A | Jack | |
| US1400606A | Mechanical puller | |
| US1498099A | Mechanical motion |