| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Environmental technology | |
| #4 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stich Ernest | 3 |
| #2 | Stich E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CH606959A5 | Convector unit made of packets of fins | |
| DE2306559A1 | CONVECTOR AND MANUFACTURING PROCESS | |
| CH553952A | Gilled tube for convection heat exchange - using gills of greater elasticity for better contact with the tube | |
| CH550371A | Gilled tube for convection heat exchange - using gills of greater elasticity for better contact with the tube | |
| CH551604A | Gilled tube for convection heat exchange - using gills of greater elasticity for better contact with the tube |