with arcuate springs only

Industry

CPC
E21B17/1028

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B17/00Drilling rods or pipes Flexible drill strings Kellies Drill collars Sucker rods; Cables Casings Tubings

Current Industry

E21B17/1028with arcuate springs only

Industries

Patents Grantslast 30 patents

Information Patent Grant
Centralizer having internal stop collar
- Patent number 12,305,452
- Issue date May 20, 2025
- DOWNHOLE PRODUCTS LIMITED
- Darko Arsoski
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pressure modulating multi-diameter thrust cup arrangement and posit...
- Patent number 12,297,713
- Issue date May 13, 2025
- Schlumberger Technology Corporation
- Simon Mattias Flander
- E21 - EARTH DRILLING MINING
Information Patent Grant
Snake-skin-inspired in-hole bow spring centralizer
- Patent number 12,270,259
- Issue date Apr 8, 2025
- Georgia Tech Research Corporation
- J. David Frost
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods of pre-testing expansion charge for selectively expanding a...
- Patent number 12,123,272
- Issue date Oct 22, 2024
- James G. Rairigh
- F42 - AMMUNITION BLASTING
Information Patent Grant
Device for centering a sensor assembly in a bore
- Patent number 12,116,850
- Issue date Oct 15, 2024
- PETROMAC IP LIMITED
- Stephen Peter McCormick
- E21 - EARTH DRILLING MINING
Information Patent Grant
Artificial lift systems utilizing high speed centralizers
- Patent number 12,091,922
- Issue date Sep 17, 2024
- Chevron U.S.A. Inc.
- James Daniel Montoya
- E21 - EARTH DRILLING MINING
Information Patent Grant
Precision-cut casing tubular for centralizer assembly
- Patent number 12,054,998
- Issue date Aug 6, 2024
- INNOVEX DOWNHOLE SOLUTIONS, INC.
- Paul Henderson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Centralizer with opposing hollow spring structure
- Patent number 11,988,050
- Issue date May 21, 2024
- Halliburton Energy Services, Inc.
- Lizheng Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
High speed rotor dynamics centralizer
- Patent number 11,976,521
- Issue date May 7, 2024
- Chevron U.S.A. Inc.
- James Daniel Montoya
- E21 - EARTH DRILLING MINING
Information Patent Grant
Variable stiffness centralizer
- Patent number 11,965,384
- Issue date Apr 23, 2024
- DOWNHOLE PRODUCTS LIMITED
- Darko Arsoski
- E21 - EARTH DRILLING MINING
Information Patent Grant
Centraliser
- Patent number 11,555,357
- Issue date Jan 17, 2023
- VULCAN COMPLETION PRODUCTS UK LIMITED
- Ian Kirk
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for use in well abandonment
- Patent number 11,525,329
- Issue date Dec 13, 2022
- BiSN Tec Ltd
- Paul Carragher
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Downhole apparatus and associated methods
- Patent number 11,459,834
- Issue date Oct 4, 2022
- VULCAN COMPLETION PRODUCTS UK LIMITED
- Ian Kirk
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-diameter thrust cups
- Patent number 11,434,701
- Issue date Sep 6, 2022
- Schlumberger Technology Corporation
- Simon Mattias Flander
- E21 - EARTH DRILLING MINING
Information Patent Grant
Heat sources and alloys for use in down-hole applications
- Patent number 11,428,067
- Issue date Aug 30, 2022
- BiSN Tec Ltd.
- Paul Carragher
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method and apparatus for wellbore centralization
- Patent number 11,225,841
- Issue date Jan 18, 2022
- Frank's International, LLC
- Ron D. Robichaux
- E21 - EARTH DRILLING MINING
Information Patent Grant
Centralizer with dissolvable retaining members
- Patent number 11,125,024
- Issue date Sep 21, 2021
- INNOVEX DOWNHOLE SOLUTIONS, INC.
- Justin Kellner
- E21 - EARTH DRILLING MINING
Information Patent Grant
Centralizer
- Patent number 11,085,248
- Issue date Aug 10, 2021
- Weatherford Technology Holdings, LLC
- Maxime R. Rodrigue
- E21 - EARTH DRILLING MINING
Information Patent Grant
Heat sources and alloys for use in down-hole applications
- Patent number 10,941,630
- Issue date Mar 9, 2021
- BiSN Tec Ltd.
- Paul Carragher
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Method for manufacturing a turned-down centralizer sub assembly
- Patent number 10,927,611
- Issue date Feb 23, 2021
- INNOVEX DOWNHOLE SOLUTIONS, INC.
- Greg P. Roger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stop collar attachment
- Patent number 10,851,600
- Issue date Dec 1, 2020
- Ace Oil Tools AS
- Ken Erik Steine
- E21 - EARTH DRILLING MINING
Information Patent Grant
Spring system for high workloads
- Patent number 10,808,787
- Issue date Oct 20, 2020
- FMC TECHNOLOGIES DO BRASIL LTDA
- Alejandro Andueza
- E21 - EARTH DRILLING MINING
Information Patent Grant
Composite bow centralizer
- Patent number 10,676,996
- Issue date Jun 9, 2020
- Halliburton Energy Services, Inc.
- Glenn Lively
- E21 - EARTH DRILLING MINING
Information Patent Grant
Centralizer device and method for deployment of a bore hole compone...
- Patent number 10,626,682
- Issue date Apr 21, 2020
- Moonshine Solutions, A.S.
- Helge Hope
- E21 - EARTH DRILLING MINING
Information Patent Grant
Low profile stop collar
- Patent number 10,538,975
- Issue date Jan 21, 2020
- Weatherford Technology Holdings, LLC
- Samuel Rodriguez
- E21 - EARTH DRILLING MINING
Information Patent Grant
Deployable bow spring centralizer
- Patent number 10,533,382
- Issue date Jan 14, 2020
- Top-Co Inc.
- Gregory James Alexander Andrigo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Composite centralizer blade
- Patent number 10,502,007
- Issue date Dec 10, 2019
- Halliburton Energy Services, Inc.
- Bo Gao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Devices and methods for forming bow springs of one-piece centralizers
- Patent number 10,493,515
- Issue date Dec 3, 2019
- INNOVEX DOWNHOLE SOLUTIONS, INC.
- Eugene Edward Miller
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Easy-start centralizer with asymmetrical bow springs
- Patent number 10,443,323
- Issue date Oct 15, 2019
- Top-Co Inc.
- Gregory James Alexander Andrigo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self retracting wall contact well logging sensor
- Patent number 10,358,907
- Issue date Jul 23, 2019
- Schlumberger Technology Corporation
- Julien Toniolo
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
LOCATOR FOR SURVEY APPARATUS
- Publication number 20250215754
- Publication date Jul 3, 2025
- IMDEX TECHNOLOGIES PTY LTD
- Owen SCHICKER
- E21 - EARTH DRILLING MINING
Information Patent Application
PRECISION-CUT CASING TUBULAR FOR CENTRALIZER ASSEMBLY
- Publication number 20240392633
- Publication date Nov 28, 2024
- INNOVEX DOWNHOLE SOLUTIONS, INC.
- Paul Henderson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SNAKE-SKIN-INSPIRED IN-HOLE BOW SPRING CENTRALIZER
- Publication number 20240384608
- Publication date Nov 21, 2024
- Georgia Tech Research Corporation
- J. David Frost
- E21 - EARTH DRILLING MINING
Information Patent Application
CENTRALIZER WITH OPPOSING HOLLOW SPRING STRUCTURE
- Publication number 20230392450
- Publication date Dec 7, 2023
- Halliburton Energy Services, Inc.
- Lizheng Zhang
- E21 - EARTH DRILLING MINING
Information Patent Application
PRESSURE MODULATING MULTI-DIAMETER THRUST CUP ARRANGEMENT AND POSIT...
- Publication number 20230366288
- Publication date Nov 16, 2023
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Simon Mattias Flander
- E21 - EARTH DRILLING MINING
Information Patent Application
VARIABLE STIFFNESS CENTRALIZER
- Publication number 20230235630
- Publication date Jul 27, 2023
- DOWNHOLE PRODUCTS LIMITED
- Darko Arsoski
- E21 - EARTH DRILLING MINING
Information Patent Application
MULTI-DIAMETER THRUST CUPS
- Publication number 20220356768
- Publication date Nov 10, 2022
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Simon Mattias Flander
- E21 - EARTH DRILLING MINING
Information Patent Application
ARTIFICIAL LIFT SYSTEMS UTILIZING HIGH SPEED CENTRALIZERS
- Publication number 20220275691
- Publication date Sep 1, 2022
- Chevron U.S.A. Inc.
- James Daniel Montoya
- E21 - EARTH DRILLING MINING
Information Patent Application
MULTI-DIAMETER THRUST CUPS
- Publication number 20220162917
- Publication date May 26, 2022
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Simon Mattias Flander
- E21 - EARTH DRILLING MINING
Information Patent Application
PRECISION-CUT CASING TUBULAR FOR CENTRALIZER ASSEMBLY
- Publication number 20220136340
- Publication date May 5, 2022
- INNOVEX DOWNHOLE SOLUTIONS, INC.
- Paul Henderson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
HEAT SOURCES AND ALLOYS FOR USE IN DOWN-HOLE APPLICATIONS
- Publication number 20220018211
- Publication date Jan 20, 2022
- BiSN Tec LTD
- Paul Carragher
- E21 - EARTH DRILLING MINING
Information Patent Application
CENTRALISER
- Publication number 20220010631
- Publication date Jan 13, 2022
- Vulcan Completion Products UK Limited
- Ian KIRK
- E21 - EARTH DRILLING MINING
Information Patent Application
CENTRALIZER HAVING ATMOSPHERIC CHAMBER FOR EXPANSION IN RESPONSE TO...
- Publication number 20210270092
- Publication date Sep 2, 2021
- DOWNHOLE PRODUCTS LIMITED
- JONATHAN PETER BUCKLAND
- E21 - EARTH DRILLING MINING
Information Patent Application
DEPLOYABLE CASING CENTRALISER WITH LATCH FOR BOW SPRINGS
- Publication number 20210025245
- Publication date Jan 28, 2021
- DOWNHOLE PRODUCTS LIMITED
- ALEXANDER CRAIG MACKAY
- E21 - EARTH DRILLING MINING
Information Patent Application
CENTRALIZER WITH DISSOLVABLE RETAINING MEMBERS
- Publication number 20210025244
- Publication date Jan 28, 2021
- INNOVEX DOWNHOLE SOLUTIONS, INC.
- Justin Kellner
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE APPARATUS AND ASSOCIATED METHODS
- Publication number 20200408050
- Publication date Dec 31, 2020
- Vulcan Completion Products UK Limited
- Ian KIRK
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and Apparatus for Wellbore Centralization
- Publication number 20200149358
- Publication date May 14, 2020
- BLACKHAWK SPECIALTY TOOLS, LLC
- Ron D. Robichaux
- E21 - EARTH DRILLING MINING
Information Patent Application
CENTRALIZER
- Publication number 20190323300
- Publication date Oct 24, 2019
- Weatherford Technology Holdings, LLC.
- Maxime R. RODRIGUE
- E21 - EARTH DRILLING MINING
Information Patent Application
Composite Bow Centralizer
- Publication number 20190169943
- Publication date Jun 6, 2019
- Halliburton Energy Services, Inc.
- Glenn Lively
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
METHOD FOR MANUFACTURING A TURNED-DOWN CENTRALIZER SUB ASSEMBLY
- Publication number 20190136643
- Publication date May 9, 2019
- INNOVEX DOWNHOLE SOLUTIONS, INC.
- Greg P. Roger
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus for Use in Well Abandonment
- Publication number 20190128091
- Publication date May 2, 2019
- BiSN Tec Ltd
- Paul Carragher
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
CENTRALISER
- Publication number 20190071937
- Publication date Mar 7, 2019
- DOWNHOLE PRODUCTS LIMITED
- Andrew KIRK
- E21 - EARTH DRILLING MINING
Information Patent Application
EASY-START CENTRALIZER WITH ASYMMETRICAL BOW SPRINGS
- Publication number 20180347290
- Publication date Dec 6, 2018
- TOP-CO INC.
- Gregory James Alexander ANDRIGO
- E21 - EARTH DRILLING MINING
Information Patent Application
Tilt-Based View Scrolling with Baseline Update for Proportional and...
- Publication number 20180321813
- Publication date Nov 8, 2018
- INNOVENTIONS, INC.
- David Y. Feinstein
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DEPLOYABLE BOW SPRING CENTRALIZER
- Publication number 20180245407
- Publication date Aug 30, 2018
- TOP-CO INC.
- Gregory James Alexander Andrigo
- E21 - EARTH DRILLING MINING
Information Patent Application
LOW PROFILE STOP COLLAR
- Publication number 20180148982
- Publication date May 31, 2018
- Weatherford Technology Holdings, LLC.
- Samuel RODRIGUEZ
- E21 - EARTH DRILLING MINING
Information Patent Application
APPARATUS FOR AND METHOD OF SECURING A CENTRALIZER TO A TUBULAR
- Publication number 20180135364
- Publication date May 17, 2018
- ANTELOPE OIL TOOL & MFG. CO., LLC
- Jean Buytaert
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
A CENTRALIZER WITH LOW FRICTION BUTTONS AND METHOD OF FABRICATION T...
- Publication number 20170306708
- Publication date Oct 26, 2017
- Abhishek AVASTHI
- E21 - EARTH DRILLING MINING
Information Patent Application
THIN BOW-STRING CENTRALIZER FOR WELLS
- Publication number 20170292336
- Publication date Oct 12, 2017
- SLENDER FORCE, LLC
- Joe Scott
- C21 - METALLURGY OF IRON
Information Patent Application
FRICTION REDUCING WEAR BAND AND METHOD OF COUPLING A WEAR BAND TO A...
- Publication number 20170254158
- Publication date Sep 7, 2017
- ANTELOPE OIL TOOL & MFG. CO., LLC
- Jean Buytaert
- E21 - EARTH DRILLING MINING

with arcuate springs only

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Centralizer having internal stop collar

Pressure modulating multi-diameter thrust cup arrangement and posit...

Snake-skin-inspired in-hole bow spring centralizer

Methods of pre-testing expansion charge for selectively expanding a...

Device for centering a sensor assembly in a bore

Artificial lift systems utilizing high speed centralizers

Precision-cut casing tubular for centralizer assembly

Centralizer with opposing hollow spring structure

High speed rotor dynamics centralizer

Variable stiffness centralizer

Centraliser

Apparatus for use in well abandonment

Downhole apparatus and associated methods

Multi-diameter thrust cups

Heat sources and alloys for use in down-hole applications

Method and apparatus for wellbore centralization

Centralizer with dissolvable retaining members

Centralizer

Heat sources and alloys for use in down-hole applications

Method for manufacturing a turned-down centralizer sub assembly

Stop collar attachment

Spring system for high workloads

Composite bow centralizer

Centralizer device and method for deployment of a bore hole compone...

Low profile stop collar

Deployable bow spring centralizer

Composite centralizer blade

Devices and methods for forming bow springs of one-piece centralizers

Easy-start centralizer with asymmetrical bow springs

Self retracting wall contact well logging sensor

Patents Applicationslast 30 patents

LOCATOR FOR SURVEY APPARATUS

PRECISION-CUT CASING TUBULAR FOR CENTRALIZER ASSEMBLY

SNAKE-SKIN-INSPIRED IN-HOLE BOW SPRING CENTRALIZER

CENTRALIZER WITH OPPOSING HOLLOW SPRING STRUCTURE

PRESSURE MODULATING MULTI-DIAMETER THRUST CUP ARRANGEMENT AND POSIT...

VARIABLE STIFFNESS CENTRALIZER

MULTI-DIAMETER THRUST CUPS

ARTIFICIAL LIFT SYSTEMS UTILIZING HIGH SPEED CENTRALIZERS

MULTI-DIAMETER THRUST CUPS

PRECISION-CUT CASING TUBULAR FOR CENTRALIZER ASSEMBLY

HEAT SOURCES AND ALLOYS FOR USE IN DOWN-HOLE APPLICATIONS

CENTRALISER

CENTRALIZER HAVING ATMOSPHERIC CHAMBER FOR EXPANSION IN RESPONSE TO...

DEPLOYABLE CASING CENTRALISER WITH LATCH FOR BOW SPRINGS

CENTRALIZER WITH DISSOLVABLE RETAINING MEMBERS

DOWNHOLE APPARATUS AND ASSOCIATED METHODS

Method and Apparatus for Wellbore Centralization

CENTRALIZER

Composite Bow Centralizer

METHOD FOR MANUFACTURING A TURNED-DOWN CENTRALIZER SUB ASSEMBLY

Apparatus for Use in Well Abandonment

CENTRALISER

EASY-START CENTRALIZER WITH ASYMMETRICAL BOW SPRINGS

Tilt-Based View Scrolling with Baseline Update for Proportional and...

DEPLOYABLE BOW SPRING CENTRALIZER

LOW PROFILE STOP COLLAR

APPARATUS FOR AND METHOD OF SECURING A CENTRALIZER TO A TUBULAR

A CENTRALIZER WITH LOW FRICTION BUTTONS AND METHOD OF FABRICATION T...

THIN BOW-STRING CENTRALIZER FOR WELLS

FRICTION REDUCING WEAR BAND AND METHOD OF COUPLING A WEAR BAND TO A...