| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | United Kingdom | 4 | |
| #3 | France | 3 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Punching metal | |
| #3 | Measuring force, work and fluid pressure |
| # | Name | Total Patents |
|---|---|---|
| #1 | Reifges Dipl-Phys Friedrich Wi | 3 |
| #2 | Paurat Friedrich Wilhelm | 3 |
| #3 | Reifges Dipl-Phys Friedrich-Wi | 1 |
| #4 | Reifges Dipl-Phys Fritz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB816548A | Improvements in or relating to mine shores | |
| GB835911A | Improvements in or relating to shoring for use underground | |
| GB820751A | Improvements in or relating to shoring systems for underground workings | |
| GB770085A | Improvements in or relating to sheet metal bending machines |