| Patent No. | Patent Title: |
| 4473110 | Corrosion protected reversing heat exchanger |
| 4461346 | Feedwater heater |
| 4454911 | Waste water heat recovery apparatus |
| 4448243 | Heat exchanger |
| 4440212 | Air-conditioner for an automotive vehicle |
| 4433722 | Heat exchanger having pipe coils supported in support plates |
| 4432410 | Heat exchanger, in particular for a cooling circuit of a motor ve... |
| 4425901 | Heat exchange device |
| 4423766 | Vacuum condensation apparatus |
| 4422370 | Method to recover heat from treatment premises and apparatus for ... |
| 4421158 | Coolant recirculation system for dry cleaning plants |
| 4418325 | Support structure for transmitting large forces |
| 4411051 | Process for heat treating textile material items |
| 4411311 | Heat exchange devices for cooling the wall and refractory of a ... |
| 4408455 | Wave action energy generating system |
| 4403652 | Plate heat exchanger |
| 4401153 | Heat exchanger incorporating nitriding-resistant material |
| 4387763 | Multistage thermostat using multirate integral action and exponen... |
| 4385658 | Fluid temperature measuring device |
| 4383575 | Baseboard heat reflector |