| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Control | |
| #4 | Civil engineering | |
| #5 | Surface technology and coating |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rayfield Charles L | 9 |
| #2 | Hinkle Walter F | 2 |
| #3 | Rossow Edward A | 1 |
| #4 | Frederick Purdy | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1572037A | Carburetor | |
| US1601453A | Compound venturi carburetor | |
| US1528768A | Concealed combination faucets and waste | |
| US1605028A | Valve-operating mechanism | |
| US1595315A | Carburetor | |
| US1528786A | Controlling means for circulating systems | |
| US1572036A | Carburetor | |
| US1567816A | Flexible fuel-supply valve for carburetors | |
| US1605280A | Carburetor | |
| US1552008A | Carburetor | |
| US1528788A | Thermostatic valve | |
| US1528787A | Carburetor |