| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 | |
| #2 | Canada | 5 | |
| #3 | France | 3 | |
| #4 | United Kingdom | 2 | |
| #5 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Materials and metallurgy | |
| #4 | Thermal processes | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Unspecified technologies | |
| #3 | Foundry moulding | |
| #4 | Installations for obtaining water | |
| #5 | Steam condensers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sadtler Philip B | 5 |
| #2 | Badger Walter L | 5 |
| #3 | Barnebl August J | 4 |
| #4 | Grant Howard D | 3 |
| #5 | Caldwell Harold B | 2 |
| #6 | Barnebl August C | 2 |
| #7 | Bernhard Nyman Carl | 1 |
| #8 | De Beers Franklin M | 1 |
| #9 | Blelfeldt Paul W | 1 |
| #10 | Nyman Carl Bernhard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2362300A | Filter | |
| US2330542A | Dewatering of suspended solids | |
| US2076611A | Rotary filter | |
| US2120455A | Rotary filter | |
| US2102780A | Filtration | |
| US2072586A | Rotary filter | |
| US2067043A | Vacuum crystallizer and method of crystallizing | |
| US1846067A | Evaporator | |
| US1872554A | Entrainment separator | |
| US1783369A | Condenser | |
| US1869651A | Evaporator | |
| US1865614A | Vacuum cooler | |
| GB321698A | Improvements in methods of and means for evaporation or distillation | |
| US1735980A | Process of evaporation | |
| US1735979A | Evaporator | |
| GB247246A | Improvement in vacuum evaporating apparatus | |
| US1612961A | Evaporating apparatus | |
| US1382274A | Fountain | |
| CA252847A | Vacuum evaporating apparatus | |
| CA252846A | Process of evaporation |