Richard Rengifo

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Los Teques, VE

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Patents Grantslast 30 patents

Information Patent Grant
Hydrocarbon formation core protection and transportation apparatus
- Patent number 8,453,766
- Issue date Jun 4, 2013
- Intevep, S.A.
- Leonardo Graterol
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Reduced abrasion drilling fluid
- Patent number 8,105,984
- Issue date Jan 31, 2012
- Intevep, S.A.
- Freddy Quiroga
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
HYDROCARBON FORMATION CORE PROTECTION AND TRANSPORTATION APPARATUS
- Publication number 20130037539
- Publication date Feb 14, 2013
- Intevep, S.A.
- Leonardo Graterol
- E21 - EARTH DRILLING MINING
Information Patent Application
REDUCED ABRASION DRILLING FLUID
- Publication number 20100170719
- Publication date Jul 8, 2010
- Intevep, S.A.
- Freddy Quiroga
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...