| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Transport | |
| #4 | Packaging and shipping | |
| #5 | Medical technology | |
| #6 | Foods and drinks |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Pipes | |
| #3 | Vehicle servicing | |
| #4 | Venting or aerating devices | |
| #5 | Handling thin material | |
| #6 | Springs | |
| #7 | Vehicle signalling and lighting | |
| #8 | Syringes | |
| #9 | Unspecified technologies | |
| #10 | Meat processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ewald Arno A | 13 |
| #2 | Rohrbacher Edward J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2270283A | One-way stop mechanism | |
| US2263293A | Quick action coupling | |
| US2286904A | Hose reel | |
| US2243623A | Fiber cutter | |
| US2225690A | Charging apparatus for elastic fluids | |
| US2048855A | Faucet | |
| US1968075A | Detachable hose coupling | |
| US1956092A | Light distributing device for dials and other surfaces to be illuminated | |
| US1977907A | Pressure regulating apparatus | |
| US1882215A | Pressure-regulating tire-inflating nozzle | |
| US1750512A | Liquid-spraying device | |
| US1697232A | Hose clamp | |
| US1583224A | Signal attachment for automobile tail lights | |
| US1189624A | Automatic hose-coupling. |