| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Pharmaceuticals | |
| #6 | Engines, pumps and turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Earle Clarence E | 17 |
| #2 | Covington Carl A | 7 |
| #3 | Somers Francis P | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2631185A | Automatic electrical and mechanical coupling | |
| US2552543A | Coupling | |
| US2644480A | Fluid valve | |
| US2674469A | Fluid coupling | |
| US2463253A | Coupling | |
| US2521701A | Coupling | |
| US2594626A | Safety valve | |
| US2592876A | Rotor and stator for fluid handling machines having surfaces coated with gold | |
| US2274675A | Lubricant containing lithium salts | |
| US2293052A | Lubricant containing a lithium compound | |
| US2274676A | Lubricant containing lithium salts | |
| US2274674A | Lubricant containing a lithium compound | |
| US2262720A | Medicinal composition | |
| US2274673A | Lubricating composition | |
| CA537649A | Fluid coupling | |
| CA458699A | Lubricating composition | |
| CA482915A | Lubricating compositions |