| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Netherlands | 6 | |
| #2 | France | 5 | |
| #3 | United Kingdom | 5 | |
| #4 | Germany | 3 | |
| #5 | United States | 2 | |
| #6 | Canada | 1 | |
| #7 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Mechanical elements | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Air-conditioning | |
| #2 | Fluid heaters | |
| #3 | Burners | |
| #4 | Heat-exchange device details | |
| #5 | Pipes | |
| #6 | Systems controlling non-electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schutte Hendrik | 4 |
| #2 | Schutte Hendrik Ir | 1 |
| #3 | Vliet Cors Van | 1 |
| #4 | Van Vliet Cors | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL7708673A | Humidification unit coupled with an air heater - includes steam generating reservoir in exhaust flue and balancing arm level control | |
| US4099749A | Coupling sleeve | |
| GB1494568A | Heating boiler | |
| GB1454886A | Apparatus for use in supplying conditioned air | |
| GB1461820A | Gas burner | |
| NL7412139A | Built in air heating system - has hot air discharge units inducing secondary flow in cold air discharge passage |