| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Belgium | 1 | |
| #3 | Denmark | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Spain | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Italy | 1 | |
| #9 | Netherlands | 1 | |
| #10 | Portugal | 1 | |
| #11 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Mechanical elements | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Venting or aerating devices | |
| #3 | Structural elements | |
| #4 | Constructional elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Horrix W | 3 |
| #2 | Schaeffer Johann Ing Grad | 2 |
| #3 | Funk Werner | 2 |
| #4 | Scheffer J | 1 |
| #5 | Schaffer J | 1 |
| #6 | Anton Gerhard | 1 |
| #7 | Hirche Ludwig | 1 |
| #8 | Schaeffer J | 1 |
| #9 | Quanz Klaus-Peter | 1 |
| #10 | Offermann Rolf Ing Grad | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3014606A1 | Enthalpy of waste gases contg. formaldehyde is reduced - by cooling in continuous washing process | |
| DE2928934A1 | METHOD FOR REGENERATING THE LIQUID ABSORBENT USED IN DRYING A TECHNICAL GAS | |
| DE2818050A1 | Thermoplastic latticed grating - produced as one-piece die casting of specified dimensions | |
| DE2741929A1 | CONTINUOUS PROCESS FOR PURIFYING INDUSTRIAL EXHAUST GASES WITH A FORMALDEHYDE CONTENT | |
| DE2516190A1 | Closure disc for butterfly valve for corrosive liquids - comprises metal shaft in plastics disc and bush fabrication |