| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 31 | |
| #2 | Germany | 3 | |
| #3 | Austria | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Engines, pumps and turbines | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Punching metal | |
| #2 | Rolling metal | |
| #3 | Pumps | |
| #4 | Making metal sheets | |
| #5 | Sawing | |
| #6 | Internal-combustion piston engines | |
| #7 | Forging | |
| #8 | Making forged metal products | |
| #9 | Details of furnaces | |
| #10 | Furnaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schabetsberger Fritz | 1 |
| #2 | Maas Josef | 1 |
| #3 | Frentzen Alfred | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE716352C | Reciprocating compressors | |
| DE736677C | Large gas engine | |
| GB502233A | Improvements in or relating to sheet levelling machines | |
| DE724823C | Sheet leveling machine with leveling rollers supported by support rollers |