| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | Austria | 3 | |
| #3 | Spain | 2 | |
| #4 | Denmark | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Nails | |
| #3 | Tools for connecting or disengaging |
| Publication | Filing date | Title |
|---|---|---|
| GB406126A | Improvements in or relating to screw-sockets or plugs | |
| DE551520C | Anchoring for perforated softwood sleepers with hardwood knock-in anchors |