| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 11 | |
| #2 | France | 1 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Transport | |
| #3 | Consumer goods | |
| #4 | Audio-visual technology | |
| #5 | Machines | |
| #6 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Solid fuel combustion | |
| #2 | Burners | |
| #3 | Special musical instruments | |
| #4 | Books | |
| #5 | Vehicle parts | |
| #6 | Animal care | |
| #7 | Fluid heaters | |
| #8 | Advertising | |
| #9 | Rail vehicle suspensions | |
| #10 | Cellar tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lange Wilhelm | 2 |
| #2 | Wilhelm Lange | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1762870A | Buffer like guard for vehicles |