| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 36 | |
| #2 | France | 2 | |
| #3 | Canada | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Materials and metallurgy | |
| #5 | Thermal processes | |
| #6 | Control | |
| #7 | Medical technology | |
| #8 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Separation | |
| #3 | Non-metallic elements | |
| #4 | Unspecified technologies | |
| #5 | Chemical or physical processes | |
| #6 | Steam generation | |
| #7 | Object sterilising | |
| #8 | Steam traps | |
| #9 | Systems controlling non-electric variables | |
| #10 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Green Walter H | 16 |
| #2 | Hughes Walter J | 5 |
| #3 | Sidney Behrman Abraham | 5 |
| #4 | Adelson Samuel L | 4 |
| #5 | Behrman Abraham S | 3 |
| #6 | Kean Robert H | 3 |
| #7 | Arthur Schreier | 2 |
| #8 | Hodges Albert B | 2 |
| #9 | Stein Milton F | 1 |
| #10 | Walter Wagner | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1930557A | Four-way hydraulic switch | |
| US1895121A | Zeolite preparation | |
| US1934759A | Rate of flow controller | |
| US1866031A | Liquid treatment | |
| US1756275A | Liquid treatment | |
| US1930503A | Preparation of porous silicious material | |
| US1866305A | Steam purifier discharge apparatus | |
| US1866302A | Boiler control apparatus | |
| US1860676A | Liquid purification | |
| US1861796A | Liquid treatment | |
| US1869144A | Liquid treatment | |
| US1869153A | Liquid treatment | |
| US1819354A | Material preparation | |
| US1840105A | Liquid purification | |
| GB313206A | Base exchange materials and method of producing same | |
| US1866284A | Flow control | |
| US1870321A | Filtration plant control | |
| US1702257A | Method of softening water | |
| US1916426A | Method and means of boiler control | |
| US1869149A | Steam purifier discharge |