| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Unspecified technologies | |
| #3 | Pipes | |
| #4 | Pistons and sealings | |
| #5 | Unspecified technologies | |
| #6 | Burners |
| # | Name | Total Patents |
|---|---|---|
| #1 | Clarence Hobbs James | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2797063A | Gate valve | |
| US2676781A | Double fluid seal valve | |
| US2634945A | Spring yoke for valves | |
| US2603102A | Valve closure means | |
| US2617621A | Valve | |
| US2480858A | Pipe hinge | |
| US2391900A | Pressure sealing joint | |
| US2391899A | Valve seat construction | |
| US2391898A | High-pressure control valve | |
| US2321597A | Valve construction | |
| US1409111A | Feeding fluid fuel and air to combustion chambers |