| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 21 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Control | |
| #3 | Mechanical elements | |
| #4 | Consumer goods | |
| #5 | Chemical engineering | |
| #6 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Soderberg Sten E B | 9 |
| #2 | Metzger Jules P | 9 |
| #3 | Sten Soderberg | 2 |
| #4 | Bernhard Soderberg Sten Eric | 1 |
| #5 | Soderberg Curt A | 1 |
| #6 | Muller John T | 1 |
| #7 | Muller John Thomas | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4648553A | Regulating valve | |
| US2386513A | Steam whistle | |
| US2277162A | Pressure regulator | |
| US2305933A | Reducing valve | |
| US2278952A | Pilot valve | |
| US1995826A | Pressure reducing valve | |
| US2029203A | Temperature regulator | |
| US1892016A | Signal | |
| US1905519A | Regulator | |
| GB315976A | Improvements in pressure regulators | |
| US1701865A | Pressure regulator | |
| US1745917A | Pressure regulator | |
| US1486782A | Combined pressure regulating and governing apparatus | |
| US1472662A | Combined pressure regulating and governing apparatus | |
| US1217804A | Coupling. | |
| US1244226A | Pressure-regulator. | |
| US1186325A | Coupling. | |
| US1186324A | Coupling. | |
| US1186021A | Coupling. | |
| US1173835A | Pressure-regulator. |