| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | Canada | 4 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | United States | 3 | |
| #5 | Australia | 2 | |
| #6 | Brazil | 1 | |
| #7 | Denmark | 1 | |
| #8 | Finland | 1 | |
| #9 | France | 1 | |
| #10 | United Kingdom | 1 | |
| #11 | Hong Kong | 1 | |
| #12 | Italy | 1 | |
| #13 | Norway | 1 | |
| #14 | Singapore | 1 | |
| #15 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Unspecified technologies | |
| #3 | Hand carts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Neumann Bruno | 8 |
| #2 | Spaeth Werner F | 7 |
| #3 | Maier Helmut | 7 |
| #4 | Schaafhausen Ludwig R | 7 |
| #5 | Michael Roy | 3 |
| #6 | Zoller Siegfried | 3 |
| #7 | Spath Werner F | 2 |
| #8 | Schaafhausen Ludwig R Dipl-Phy | 1 |
| #9 | Maier Helmet | 1 |
| #10 | Roeckl Guenther A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE4131126A1 | Connecting element for releasable union between two frame components - is insertable in hollow frame profile and has at least one holder element movable in a housing | |
| DE4020178A1 | Connector with housing and sliding lock - has head, larger dia. disc and bar passing through lock element and supported in housing aperture | |
| DE4018817A1 | CONNECTING ELEMENT | |
| EP0371153A1 | Connection device | |
| US4787769A | Connecting element | |
| DE3437805A1 | CONNECTING ELEMENT | |
| DE3312757A1 | PROFILE ROD CLAMP CONNECTOR | |
| DE3109993A1 | Device for tobogganing |