| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 19 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Engines, pumps and turbines | |
| #5 | Machine tools | |
| #6 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Mining | |
| #2 | Working stone | |
| #3 | Construction of roads | |
| #4 | Railway systems | |
| #5 | Railway shifting | |
| #6 | Rotary pistons | |
| #7 | Transport or storage devices | |
| #8 | Wood saws | |
| #9 | Rotary-pistons | |
| #10 | Sawing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Neuenburg Henry | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US3706474A | Motor-driven chiseling device | |
| GB703501A | Improvements in and relating to coal cutting machines | |
| DE737018C | Schraemkette with double-edged Schraemmechiseln arranged around a bolt for two cutting directions | |
| GB484967A | Improvements in power-driven coal and rock cutting implements | |
| GB426966A | Improvements in and relating to coal mining apparatus |