| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 27 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Wing fittings | |
| #2 | Hinges for doors or windows | |
| #3 | Locks | |
| #4 | Bolts for doors or windows | |
| #5 | Air-conditioning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Suhr Wilhelm | 20 |
| #2 | Suhr Fritz | 14 |
| Publication | Filing date | Title |
|---|---|---|
| DE640819C | Skylight opener operated by push rod | |
| DE374467C | Lock with double-acting tumblers | |
| DE353412C | Lock security | |
| DE610918C | Skylight opener for window sash with push rod and rotary shaft |