| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machines | |
| #3 | Chemical engineering | |
| #4 | Machine tools | |
| #5 | Furniture and games | |
| #6 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Measuring volume | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Separation | |
| #5 | Mountings for cannons and pistols | |
| #6 | Sanitary equipment | |
| #7 | Thread cutting | |
| #8 | Cleaning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dezendorf Richard L | 15 |
| Publication | Filing date | Title |
|---|---|---|
| US1936425A | Meter indicator | |
| US1844843A | Meter testing apparatus | |
| US1847524A | Gas meter | |
| US1487214A | Firearm and ammunition therefor | |
| US1388854A | Means for clearing service-pipes or ejecting liquids | |
| US1396817A | Means for and method of testing gas-meters | |
| US1422089A | Means for and method of proving gas meters | |
| US1262929A | Gas-meter. | |
| US1160391A | Gas-meter. | |
| US1175935A | Pipe threading and reaming machine. | |
| US1061271A | Meter-testing apparatus. | |
| US1031696A | Meter. | |
| US924437A | Gas-meter. | |
| US914812A | Combined liquid separator and indicator for gas-conduits. | |
| US775029A | Water-closet. |