| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | United Kingdom | 5 | |
| #3 | France | 3 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Control | |
| #3 | Machines | |
| #4 | Organic fine chemistry | |
| #5 | Chemical engineering | |
| #6 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Systems controlling non-electric variables | |
| #2 | Lubricating | |
| #3 | Unspecified technologies | |
| #4 | Acyclic or carbocyclic compounds | |
| #5 | Pistons and sealings | |
| #6 | Separation | |
| #7 | Steam traps | |
| #8 | Pumps | |
| #9 | Venting or aerating devices | |
| #10 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Boyd Keith A | 5 |
| #2 | Gleason Quin R | 3 |
| #3 | Wiley Robert D | 3 |
| #4 | Gleason, Quin Rex | 2 |
| #5 | Boyd Keith Allen | 1 |
| #6 | Meyer Theodore F W | 1 |
| #7 | Gleason Quin Rex | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1083505A | Improvements in or relating to pressure regulators | |
| FR1382776A | Pressure regulator | |
| GB1004240A | Improvements in fluid pressure regulators | |
| US3204657A | Pressure regulator structure | |
| US3131786A | Air line lubricator | |
| US3182750A | Cup structure for air line lubricator or the like | |
| US2878895A | Air line lubricator | |
| US2998825A | Device for discharging accumulated water | |
| US2720278A | Fluid filtering device |