| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | Switzerland | 3 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Measurement | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Punching metal | |
| #3 | Indexing scheme relating to hinges | |
| #4 | General building constructions | |
| #5 | Nails | |
| #6 | Testing of structures | |
| #7 | Hinges for doors or windows | |
| #8 | Bolts for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schenning Theodor Karl Peter | 2 |
| #2 | Peter Schenning Theodor Karl | 1 |
| #3 | Karl Peter Schenning Theodor | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1259917A | Frames formed from metal sections, in particular for windows and doors and the method of their production | |
| GB1244243A | Improvements in or relating to mounting panels, such as glass panes, in a frame |