| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 21 | |
| #2 | Canada | 8 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Measurement | |
| #4 | Engines, pumps and turbines | |
| #5 | Thermal processes | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Lubricating | |
| #2 | Rail vehicle suspensions | |
| #3 | Venting or aerating devices | |
| #4 | Measuring volume | |
| #5 | Steam generation | |
| #6 | Railway equipment | |
| #7 | Siphons | |
| #8 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Corey Elmer O | 17 |
| #2 | Earl Snyder W | 4 |
| #3 | Edwin Macneir | 2 |
| #4 | Grantland John Walter | 1 |
| #5 | Earl Snyder William | 1 |
| #6 | Bosonetto Henry A | 1 |
| #7 | Walter Grantland John | 1 |
| #8 | Mueller Stephen E | 1 |
| #9 | Snyder W Earl | 1 |
| #10 | Corey Elmer Orville | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2288777A | Injector | |
| US2183986A | Force feed lubricator | |
| US2088994A | Separator | |
| US2056133A | Terminal valve | |
| US2050207A | Water gauge | |
| US2041527A | Injector | |
| US2088999A | Engine driving box | |
| US1986324A | Locomotive lubricating system | |
| US1934407A | Flange wheel lubricator | |
| US1967497A | Locomotive lubrication system | |
| US1874211A | Force feed lubricator | |
| US1916826A | Flange oiler | |
| US1914325A | Terminal check valve | |
| US1897791A | Force feed lubricator | |
| US1821422A | Gauge cock | |
| US1775625A | Terminal valve | |
| US1632403A | Gauge cock | |
| US1539522A | Lubricator | |
| US1558512A | Lubricator | |
| US1408818A | Water gauge |