| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 13 | |
| #2 | Austria | 2 | |
| #3 | Switzerland | 2 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Street cleaning | |
| #2 | Machines for making railways | |
| #3 | Construction of roads |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schoerling Karl-Heinz | 3 |
| #2 | Eggers Arnold | 3 |
| #3 | Splisteser Karl-Heinz | 2 |
| #4 | Braun Dipl-Ing Hermann | 2 |
| #5 | Dobbrunz Werner | 2 |
| #6 | Brock Albert | 1 |
| #7 | Braun Hermann | 1 |
| #8 | Splisteser Karl Heinz | 1 |
| #9 | Hermann Braun | 1 |
| #10 | Karl-Heinz Schoerling | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2735883A1 | Dual purpose road sweeper with dirt pick=up - has salt spreader worm-gear conveyor in channel running along container | |
| DE2446728A1 | SELF-PICKING VACUUM VEHICLE | |
| DE2217975A1 | ON A VEHICLE, IN PARTICULAR RAILWAY VEHICLE, EQUIPMENT ARRANGED FOR CLEANING GRAPH BEDS, SLEEPERS AND SIMILAR RAILWAYS | |
| GB1202305A | Sweeping machine |