| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | Switzerland | 3 | |
| #3 | France | 3 | |
| #4 | Austria | 1 | |
| #5 | Italy | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Shaping clay | |
| #2 | Milling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Boehringer Paul | 7 |
| #2 | Heiligenmann Erwin | 6 |
| #3 | Erwin Heiligenmann | 2 |
| #4 | Paul Boehringer | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3920369A | Machine for the production and cleaning of exposed aggregate slabs | |
| DE2264578A1 | Panel press with closed dies circulation - provides reintroduction of dies into mould from above after ejection with pressed panel |