| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 8 | |
| #2 | Australia | 7 | |
| #3 | Brazil | 6 | |
| #4 | Canada | 6 | |
| #5 | EPO (European Patent Office) | 6 | |
| #6 | United States | 6 | |
| #7 | WIPO (World Intellectual Property Organization) | 6 | |
| #8 | Singapore | 4 | |
| #9 | Russian Federation | 3 | |
| #10 | Chile | 1 | |
| #11 | China | 1 | |
| #12 | United Kingdom | 1 | |
| #13 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Civil engineering | |
| #3 | Transport | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Sawing | |
| #2 | Earth drilling | |
| #3 | Cutting | |
| #4 | Ships | |
| #5 | Unspecified technologies | |
| #6 | Perforating | |
| #7 | Tools for connecting or disengaging | |
| #8 | Foundations and excavations | |
| #9 | Soldering, welding and flame cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Birkeland Petter | 46 |
| #2 | Petter Birkeland | 7 |
| #3 | Birkelehnd Peter | 2 |
| #4 | Oyvind Koldal | 2 |
| #5 | Koldal Yvind | 1 |
| #6 | Koldal Oyvind | 1 |
| #7 | Birkelend Peter | 1 |
| #8 | Koldal Oeyvind | 1 |
| #9 | Koldal Øyvind | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BR112020019722A2 | fixation tool to fix a tubular structure | |
| NO20171910A1 | Method for cutting a tubular structure at a drill floor and a cutting tool for carrying out such method | |
| NO20171117A1 | Apparatus for cutting a line extending from a floating vessel | |
| NO20151722A1 | Mobile cutting tool and method for cutting a subsea tubular structure | |
| RU2570044C2 | Cutting device, safety valve and method of pipe string cutting | |
| CN102712351A | Cutting device, method and use for cutting of a line extending from a floating vessel | |
| US2010139921A1 | Cutting device and a method for emergency cutting of a line in a well |