Gerardus Johannes Leonardus VAN DER WEGEN

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Sittard, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of treating a subterranean formation with a mortar slurry de...
- Patent number 10,316,636
- Issue date Jun 11, 2019
- Shell Oil Company
- Ernesto Rafael Fonseca
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods of making and using cement coated substrate
- Patent number 9,896,903
- Issue date Feb 20, 2018
- Shell Oil Company
- Ernesto Rafael Fonseca Ocampos
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHODS OF MAKING AND USING CEMENT COATED SUBSTRATE
- Publication number 20150337620
- Publication date Nov 26, 2015
- Shell Oil Company
- Ernesto Rafael FONSECA OCAMPOS
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD OF TREATING A SUBTERRANEAN FORMATION WITH A MORTAR SLURRY DE...
- Publication number 20130341024
- Publication date Dec 26, 2013
- Ernesto Rafael FONSECA
- E21 - EARTH DRILLING MINING