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Inventor

Warren Zemlak

Inventor
Moscow, RU

Overview

11→
Patents
2002–2021
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 11 as inventor

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

E21Bprimary
E21BEarth or rock drilling65%
F04BPositive-displacement machines for liquids18%
F02CGas-turbine plants6%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants6%
G01FMeasuring volume, volume flow, mass flow or liquid level6%
PatentTitleYear
11,125,066Systems and methods to operate a dual-shaft gas turbine engine for hydraulic fracturing202110,907,459Methods and systems for operating a fleet of pumps202110,815,764Methods and systems for operating a fleet of pumps20208,991,492'Methods, systems and apparatus for coiled tubing testing'20158,408,333'Steer systems for coiled tubing drilling and method of use'20137,980,306'Methods, systems and apparatus for coiled tubing testing'20117,905,291'Borehole cleaning using downhole pumps'20117,779,916'Apparatus for subsea intervention'20107,654,318'Fluid diversion measurement methods and systems'20106,533,037'Flow-operated valve'20036,446,727'Process for hydraulically fracturing oil and gas wells'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Based in Calgary, CA· patent location history
2003–2015Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (7)· patent assignee history
2003Based in Sugar Land, TX, US· patent location history
2010–2015Based in Moscow, RU· patent location history
2013–2015Patents assigned to ZEMLAK WARREN (2)· patent assignee history
2013Patents assigned to ADELUNG DENNY (1)· patent assignee history
2015Patents assigned to ALLCORN MARC (1)· patent assignee history
2020–2021Patents assigned to BJ ENERGY SOLUTIONS LLC (3)· patent assignee history
2020–2021Based in Tomball, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHLUMBERGER TECHNOLOGY CORP72003–2015
BJ ENERGY SOLUTIONS LLC32020–2021
ZEMLAK WARRENself22013–2015
ADELUNG DENNY12013
ALLCORN MARC12015
Locations
LocationPatentsSpan
Moscow, RU62010–2015
Tomball, Texas, US32020–2021
Sugar Land, Texas, US12003
Calgary, CA12002