| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 15 | |
| #2 | France | 6 | |
| #3 | Switzerland | 5 | |
| #4 | Austria | 2 | |
| #5 | Belgium | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Materials and metallurgy | |
| #3 | Environmental technology | |
| #4 | Surface technology and coating | |
| #5 | Thermal processes | |
| #6 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Platform constructions | |
| #2 | Metal tempering | |
| #3 | General building constructions | |
| #4 | Layered products | |
| #5 | Climate change adaptation technologies | |
| #6 | Water treatment | |
| #7 | Sanitary equipment | |
| #8 | Details of furnaces | |
| #9 | Sewers | |
| #10 | Garbage disposal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Baetzel Hans | 5 |
| #2 | Carl Hiekmann | 3 |
| #3 | Dannecker Bodo Dipl Ing | 3 |
| #4 | Hiekmann Carl | 3 |
| #5 | Hintz Ulrich | 2 |
| #6 | Hintz U | 1 |
| #7 | Langer Klaus | 1 |
| #8 | Hans Baetzel | 1 |
| #9 | Batzel Hans | 1 |
| #10 | Klein Hermann | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3314745A1 | Pickling hook | |
| DE2750765A1 | Evaporative desalination plant - with condensation space in each column above evaporation space in same tank | |
| DE2750736A1 | Multistage desalination plant - with each column divided into evaporation and condensation space with impact extractor between | |
| DE2750764A1 | Evaporative desalination plant - with condensers arranged cross wise under series connected evaporators | |
| DE2717745B1 | Hollow profile | |
| GB1481218A | Soundabsorbing element | |
| DE2341018A1 | Noise damping material for buildings - is granulated or cut waste rubber preferably made from used tyres |