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Sugar Land, TX, United States of America

John R Wallis

USPTO Granted Patents = 5

CIPO Patents = 2

Average Co-Inventor Count = 2.1

ph-index = 5

Forward Citations = 170(Granted Patents)

Location History:

Houston, TX (US) (2009)
Sugar Land, TX (US) (2001 - 2014)

Company Filing History:

4 out of 10,180

Schlumberger Technology Corporation

Chevron U.s.a. Inc.

where one patent can have more than one assignee

Years Active: 2001-2014

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8903694 - System and method for performing reservoir simulation using preconditioning (2014-12-02),

2. 8775144 - Constrained pressure residual preconditioner for efficient solution of the adjoint equation (2014-07-08),

3. 7684967 - Apparatus, method and system for improved reservoir simulation using an algebraic cascading class linear solver (2010-03-23),

4. 7516056 - Apparatus, method and system for improved reservoir simulation using a multiplicative overlapping Schwarz preconditioning for adaptive implicit linear systems (2009-04-07),

5. 6230101 - Simulation method and apparatus (2001-05-08),

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