| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 22 | |
| #2 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Transport | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | General building constructions | |
| #5 | Tools for connecting or disengaging | |
| #6 | Clutches and brakes | |
| #7 | Cosmonautics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Duran John A | 21 |
| #2 | Chang Peter | 3 |
| #3 | Young Robert | 1 |
| #4 | Basmadzhyan Simon | 1 |
| #5 | Duran John | 1 |
| #6 | Bussard Gordon | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3844919C2 | Spring form captive panel fastener assembly | |
| DE3733288A1 | Captive fastening device for cladding | |
| DE3732895A1 | NON-DETACHABLE FASTENING DEVICE |