| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | France | 5 | |
| #3 | Germany | 2 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Forging | |
| #2 | Presses | |
| #3 | Foundations and excavations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Braeuer Willi | 3 |
| #2 | Trissnak Karl | 3 |
| #3 | Brauer Willi | 2 |
| #4 | Willi Braner | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1037505A | Arrangement for guiding the ram of a forging machine | |
| GB930423A | Hydraulically operated drop-hammer | |
| GB920099A | Hydrauliccaly operated drop-hammer or hammering press | |
| GB841055A | A fluid operated drop hammer | |
| US2861486A | Hydraulically actuated drop hammer | |
| GB803579A | A hydraulically actuated drop hammer | |
| GB803580A | A hydraulically actuated drop hammer |