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Inventor

Richard Marcinew

Inventor
Calgary, CA

Overview

4→
Patents
2007–2014
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere50%
E21BEarth or rock drilling33%
C23FNon-mechanical removal of metallic material from surface17%
PatentTitleYear
8,895,481'Viscoelastic surfactant acid treatment'20148,146,416'Methods and apparatus to perform stress testing of geological formations'20127,741,252'Surfactants not toxic to bacteria'20107,207,388'Non-Damaging Fluid-Loss Pill and Method of Using the Same'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2014Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (4)· patent assignee history
2007Based in Al-Khobar, SA· patent location history
2010–2014Based in Calgary, CA· patent location history
2012–2014Patents assigned to MARCINEW RICHARD (2)· patent assignee history
2012Patents assigned to CIG KOKSAL (1)· patent assignee history
2012Patents assigned to EDWARDS JOHN (1)· patent assignee history
2012Based in Alberta, CA· patent location history
2014Patents assigned to CHEN YIYAN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHLUMBERGER TECHNOLOGY CORP42007–2014
MARCINEW RICHARDself22012–2014
CHEN YIYAN12014
CIG KOKSAL12012
EDWARDS JOHN12012
Locations
LocationPatentsSpan
Calgary, CA22010–2014
Alberta, CA12012
Al-Khobar, SA12007