| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 | |
| #2 | Switzerland | 3 | |
| #3 | Denmark | 2 | |
| #4 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Civil engineering | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Spraying devices | |
| #2 | Fire-fighting | |
| #3 | Venting or aerating devices | |
| #4 | Pipes | |
| #5 | Unspecified technologies | |
| #6 | Siphons | |
| #7 | Unspecified technologies | |
| #8 | Steam traps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schellin John C | 4 |
| #2 | Company Inc Akron Brass Mfg | 3 |
| #3 | Hunt Henry M | 3 |
| #4 | Grant Jordan W | 3 |
| #5 | Lee Floyd J | 3 |
| #6 | Allenbaugh Jr George G | 2 |
| #7 | William Brubaker | 2 |
| #8 | Housekeeper Earl J | 2 |
| #9 | Glessner Donald P | 2 |
| #10 | Hamilton Everett R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3012733A | Nozzle | |
| US2806741A | Hose nozzle | |
| US2760826A | Nozzle valves | |
| US2545154A | Automatic oil tank protective device | |
| US2533823A | Fire hose support | |
| US2493982A | Spray head for fire sprinkler systems | |
| US2538211A | Nozzle | |
| US2467520A | Reattachable gasoline hose coupling | |
| US2541200A | Reattachable gasoline hose coupling | |
| US2386109A | Hose coupling | |
| US2323464A | Spray nozzle | |
| US2313994A | Spray nozzle | |
| US2279566A | Valve | |
| US2283985A | Shutoff nozzle | |
| US2178898A | Siphon pump construction | |
| US2127188A | Mist-producing nozzle | |
| US2117456A | Valve construction | |
| GB458539A | Improvements in nozzle construction | |
| GB450819A | Nozzle construction | |
| US2063699A | Valve construction |