| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 11 | |
| #2 | United Kingdom | 2 | |
| #3 | France | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Macromolecular chemistry and polymers | |
| #4 | Machine tools | |
| #5 | Textiles and paper | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Shaping clay | |
| #3 | Finishing work on buildings | |
| #4 | Production of goods from wood | |
| #5 | Nails | |
| #6 | Macromolecular compounds compositions | |
| #7 | Paper goods | |
| #8 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hengerer Karl | 2 |
| #2 | Karl Hengerer | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB391197A | Improved process and apparatus for moulding plates and slabs of building material | |
| GB393969A | Improvements in or relating to building constructions | |
| US2096326A | Molding plant |