PETROLIAM NASIONAL BERHAD (PETRONAS)
Patent Owner
Stats
- 16 US PATENTS IN FORCE
- 3 US APPLICATIONS PENDING
- Feb 22, 2018 most recent publication
Details
- 16 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 200 Total Citation Count
- Jun 01, 2006 Earliest Filing
- 5 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
Publication #
Title
Filing Date
Pub Date
Intl Class
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
9827537 Polysulfone membrane having high selectivityMar 28, 14Nov 28, 17[D01D, C08G, D01F, B01D, C08K]
9453388 Apparatus and method to remotely control fluid flow in tubular strings and wellbore annulusMar 18, 13Sep 27, 16[E21B]
9340722 Water-based mud lubricant using fatty acid polyamine salts and fatty acid estersMar 13, 13May 17, 16[C09K]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2015/0252,651 Apparatus and Method to Remotely Control Fluid Flow in Tubular Strings and Wellbore AnnulusAbandonedMay 06, 15Sep 10, 15[E21B]
8413745 Water-based mud lubricant using fatty acid polyamine salts and fatty acid estersExpiredAug 09, 10Apr 09, 13[C09K, E21B]
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