| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools | |
| #3 | Civil engineering | |
| #4 | Mechanical elements | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Scaffolding | |
| #3 | Accessories for machine tools | |
| #4 | Sawing | |
| #5 | Unspecified technologies | |
| #6 | Wood saws | |
| #7 | Venting or aerating devices | |
| #8 | Servomotors | |
| #9 | Vehicle wheels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roemer Ralph R | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US3299634A | Fluid pressure operable device and control device | |
| US3260499A | High pressure control valve | |
| US3207008A | Hydraulic power feed for rotary spindle machines | |
| US2364475A | Power operated machine tool | |
| US2343243A | Power operated machine tool | |
| US2220284A | Wheel and method of making it | |
| US2022433A | Metal cutting means and method | |
| US1956835A | Sawing machine | |
| US1906721A | Column clamp | |
| US1922747A | Construction shore | |
| US1922748A | Construction shore | |
| US1843631A | Construction shore | |
| US1935377A | Construction shore |