| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 42 | |
| #2 | Canada | 11 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Computer technology | |
| #5 | Chemical engineering | |
| #6 | Mechanical elements | |
| #7 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Air-conditioning | |
| #2 | Spraying devices | |
| #3 | Analysing materials | |
| #4 | Unspecified technologies | |
| #5 | Domestic heating systems | |
| #6 | Unspecified technologies | |
| #7 | Servomotors | |
| #8 | Hinges for doors or windows | |
| #9 | Separation | |
| #10 | Analogue computers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Comins Frank B | 16 |
| #2 | Joseph Armstrong | 13 |
| #3 | Comfort Edward W | 6 |
| #4 | Loepsinger Albert J | 5 |
| #5 | Trafton William M | 4 |
| #6 | Jackson John W | 4 |
| #7 | Braemer William G R | 3 |
| #8 | Knight Ira W | 3 |
| #9 | Smith Robert P | 2 |
| #10 | Dow Charles E W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2068416A | Hygroscopic actuating element | |
| US2173072A | Atomizer | |
| US2001066A | Hygroscopic material and method of preparing the same | |
| US1879363A | Self-cleaning atomizer | |
| US2022680A | Humidifier | |
| US1983120A | Humidifying radiator | |
| US1879012A | Atomizing nozzle | |
| US1858725A | Humidifying system | |
| GB280821A | Improvements in or relating to apparatus for indicating or controlling atmospheric humidity | |
| US1675782A | Humidifier | |
| US1765780A | Humidifier | |
| US1636350A | Portable psychrometer | |
| US1858724A | Humidifier | |
| US1631475A | Control means for regulating the output of atomizers and the like | |
| US1592756A | Humidifier | |
| US1568717A | Air-conditioning apparatus | |
| US1726214A | Apparatus for conditioning air | |
| US1650821A | Atomizing means | |
| US1799955A | Centrifugal humidifier | |
| US1572432A | Humidifier control |