| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | Austria | 3 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Sound-producing devices | |
| #3 | Finishing work on buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Oelsner Waldemar Eduard | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB442251A | An acoustical arrangement for concert halls, broadcasting studios, and the like | |
| GB406829A | Improved sound-damping and sound insulating floor construction |