| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 10 | |
| #2 | Australia | 4 | |
| #3 | Argentina | 3 | |
| #4 | Brazil | 3 | |
| #5 | Canada | 3 | |
| #6 | United States | 3 | |
| #7 | Belgium | 2 | |
| #8 | German Democratic Republic | 2 | |
| #9 | Germany | 2 | |
| #10 | Denmark | 2 | |
| #11 | EPO (European Patent Office) | 2 | |
| #12 | Spain | 2 | |
| #13 | Finland | 2 | |
| #14 | France | 2 | |
| #15 | United Kingdom | 2 | |
| #16 | Greece | 2 | |
| #17 | Israel | 2 | |
| #18 | India | 2 | |
| #19 | Italy | 2 | |
| #20 | Poland | 2 | |
| #21 | Sweden | 2 | |
| #22 | Yugoslavia (Serbia and Montenegro) | 2 | |
| #23 | Austria | 1 | |
| #24 | Switzerland | 1 | |
| #25 | Czechoslovakia | 1 | |
| #26 | Egypt | 1 | |
| #27 | Hungary | 1 | |
| #28 | Iceland | 1 | |
| #29 | Jordan | 1 | |
| #30 | Japan | 1 | |
| #31 | Mexico | 1 | |
| #32 | Netherlands | 1 | |
| #33 | Portugal | 1 | |
| #34 | USSR (Union of Socialist Soviet Republics) | 1 | |
| #35 | Turkey | 1 | |
| #36 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Materials and metallurgy | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Load transportation vehicles | |
| #3 | Changing non-ferrous metals | |
| #4 | Making metal sheets |
| # | Name | Total Patents |
|---|---|---|
| #1 | Damm Sverre | 33 |
| #2 | Damm S | 9 |
| #3 | Sverre Damm | 4 |
| #4 | Damm Rune | 3 |
| #5 | Sanne O | 2 |
| #6 | Sverrre Damm | 1 |
| #7 | Subuere Damu | 1 |
| #8 | Damm Sverrre | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU3083689A | Spare wheel attachement assembly | |
| JO1139B1 | Steering device for many axled goose - neck trailers | |
| DD158222A1 | Guidance apparatus for coupled anchors | |
| IL62315D0 | Steering device for many-axled goose-neck trailers | |
| DD134863A5 | Device for coupling, transporting and installation of guts containers | |
| CA1076527A | Device for coupling, transportation and placing of goods containers | |
| YU40778A | Device for coupling, transporting and positioning goods containers | |
| GB1445899A | Vehicle couplings |