How many patents does
Petroliam Nasional Berhad have?
patents
418
families
67
granted
87
applications
331
US
74
WO
70
EP
55
CN
40
GB
23
JP
16
KR
10
RoW
130
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Petroliam Nasional Berhad
Top ten assignees appearing on patents
Petroliam Nasional Berhad
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| apparatus and method to remotely control fluid flow in tubular strings and wellbore annu… 🛈 | 20 | 2012 |
| conversion method | 20 | 2007 |
| conversion method | 19 | 2007 |
| process for the preparation of chalcogene compounds | 17 | 2009 |
| ionic liquid solvents of perhalide type for metals and metal compounds | 15 | 2009 |
| method for the production of polyols and uses thereof | 14 | 2012 |
| system and method for inspecting a subsea pipeline | 14 | 2011 |
| process for removing metals from hydrocarbons | 14 | 2009 |
| method for the production of esters and uses thereof | 13 | 2012 |
| lubricant composition of matter and methods of preparation | 12 | 2012 |