| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 3 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | Switzerland | 1 | |
| #7 | France | 1 | |
| #8 | Hungary | 1 | |
| #9 | Netherlands | 1 | |
| #10 | Norway | 1 | |
| #11 | United States | 1 | |
| #12 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Nails | |
| #3 | Pipes | |
| #4 | Clutches and brakes | |
| #5 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Barth A | 3 |
| #2 | Barth Aksel | 3 |
| #3 | Dahlbring G | 2 |
| #4 | Dahlbring Goeran | 2 |
| #5 | Oedmann Gert | 1 |
| #6 | Jervsen O | 1 |
| #7 | Dahlering Goeran | 1 |
| #8 | Odmann Gert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB8310447D0 | A t-joint fitting | |
| GB2085541A | A bolt for assembling heat exposed constructions | |
| FR2437523A1 | METHOD AND MEANS FOR COUPLING TWO END-TO-END TREES | |
| US4261384A | T-joint fitting | |
| NL7607172A | Detachable flange coupling. |