| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 22 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Chemical engineering | |
| #4 | Control | |
| #5 | Civil engineering | |
| #6 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Separation | |
| #3 | Pipes | |
| #4 | Systems controlling non-electric variables | |
| #5 | Earth drilling | |
| #6 | Venting or aerating devices | |
| #7 | Unspecified technologies | |
| #8 | Ignition and extinguishing | |
| #9 | Nails | |
| #10 | Domestic heating systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Waters Millard F | 12 |
| #2 | Griffey Leon J | 5 |
| #3 | Putnam James K | 1 |
| #4 | Richard Battle | 1 |
| #5 | Herndon Chester C | 1 |
| #6 | Weston Burton G | 1 |
| #7 | Ross Floyd I | 1 |
| #8 | Mount Walter M | 1 |
| #9 | Mcgay John B | 1 |
| #10 | Dillon Stephen V | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2327121A | Time cycle controller | |
| US2283974A | Coupling | |
| US2276277A | Liquid and gas separator | |
| US2263771A | Liquid level controller | |
| US2265599A | Pressure regulator | |
| US2165164A | Flexible pipe coupling | |
| US2165163A | Pipe coupling | |
| US2106094A | Time control mechanism | |
| US2064962A | Oil and gas separator | |
| US2048607A | Time control mechanism | |
| US2032611A | Pilot pressure control mechanism | |
| US1972807A | Bolted tank structure | |
| US1999950A | Liquid and gas separator | |
| US1950285A | Liquid and gas separator | |
| US1916065A | Combination separator | |
| US1814990A | Sucker rod or tubing elevator | |
| US1874673A | Tubing catcher stop | |
| US1879481A | Valve | |
| US1861372A | Pipe coupling | |
| US1910728A | Oil and gas separator |