| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Brazil | 3 | |
| #2 | United States | 3 | |
| #3 | China | 2 | |
| #4 | Saudi Arabia | 2 | |
| #5 | Australia | 1 | |
| #6 | EAPO (Eurasian Patent Organization) | 1 | |
| #7 | Indonesia | 1 | |
| #8 | Russian Federation | 1 | |
| #9 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Measurement | |
| #3 | Civil engineering | |
| #4 | Chemical engineering | |
| #5 | Environmental technology | |
| #6 | Transport | |
| #7 | Organic fine chemistry | |
| #8 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Liquid hydrocarbon mixture production | |
| #3 | Fuels | |
| #4 | Climate change adaptation technologies | |
| #5 | Analysing materials | |
| #6 | Ships | |
| #7 | Chemical or physical processes | |
| #8 | Geophysics | |
| #9 | Acyclic or carbocyclic compounds | |
| #10 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rytter Erling | 3 |
| #2 | Ellingsrud Svein | 3 |
| #3 | Halmo Terje | 2 |
| #4 | Myrstad Trond | 2 |
| #5 | Johansen Stale | 2 |
| #6 | Kong Fan-Nian | 2 |
| #7 | Laegreid Trygve | 1 |
| #8 | Daaland Alf | 1 |
| #9 | T Roterud Per | 1 |
| #10 | Dzhon P Vatdzhen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN1200786A | Method and equipment for treating well stream from offshore oil field | |
| US5103181A | Composition monitor and monitoring process using impedance measurements |