| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 57 | |
| #2 | France | 10 | |
| #3 | United Kingdom | 2 | |
| #4 | Switzerland | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Measurement | |
| #3 | Audio-visual technology | |
| #4 | Packaging and shipping | |
| #5 | Transport | |
| #6 | Agriculture | |
| #7 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schroeder Paul | 10 |
| #2 | Paul Schroeder | 2 |
| #3 | Fehrle Friedrich | 1 |
| #4 | Schroder Paul | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2527036A | Log handling mechanism | |
| GB418490A | Switching device for producing a flashing warning signal in a stationary rear warning light of motor cars | |
| GB415655A | Improvements in or relating to bung hole bushes for iron drums |