Patent
   D717836
Priority
Mar 26 2014
Filed
Mar 26 2014
Issued
Nov 18 2014
Expiry
Nov 18 2028
Assg.orig
Entity
unknown
9
22
n/a
The ornamental design for a one-piece centralizer with an axial seam and end-collar tabs, as shown and described.

FIG. 1 is a perspective view of a one-piece centralizer with and axial seam and end-collar tabs showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof; and,

FIG. 4 is an end view thereof.

The broken lines in the drawings depict unclaimed environmental subject matter.

McDaniel, Troy, Buytaert, Jean, Penry, Christopher, Miller, Eugene, Neel, Jesse

Patent Priority Assignee Title
10493515, May 08 2015 INNOVEX DOWNHOLE SOLUTIONS, INC Devices and methods for forming bow springs of one-piece centralizers
9664001, Sep 24 2014 CENTEK LIMITED Centralizer and associated devices
D743447, Sep 30 2014 INNOVEX DOWNHOLE SOLUTIONS, INC Centralizer
D873867, Feb 14 2018 INNOVEX DOWNHOLE SOLUTIONS, INC Centralizer
D905126, Feb 14 2018 INNOVEX DOWNHOLE SOLUTIONS, INC Centralizer
D930046, Feb 22 2018 VULCAN COMPLETION PRODUCTS UK LIMITED Centralizer for centralizing tubing in a wellbore
D957470, Aug 22 2017 VULCAN COMPLETION PRODUCTS UK LIMITED Centralizer for centralizing tubing in a wellbore
ER1996,
ER9440,
Patent Priority Assignee Title
3312285,
4088186, Dec 22 1976 FIRST INTERSTATE BANK OF TEXAS, N A Centering device for well conduit
5566754, Sep 24 1994 WEATHERFORD TECHNOLOGY HOLDINGS, LLC Centralisers
5575333, Jun 07 1995 Weatherford Lamb, Inc Centralizer
6209638, Apr 30 1999 Casing accessory equipment
6533034, May 15 2000 National Oilwell DHT, LP Centralized stop collar for floating centralizer
6637511, May 08 2000 Kwik-Zip Pty. Ltd. Borehole casing centralizer
6997254, Jun 27 2001 CENTEK LIMITED Method of making a centering device and centering device formed by that method
7082997, Jun 15 2001 NABORS DRILLING TECHNOLOGIES USA, INC Pipe centralizer and method of attachment
7182131, Sep 06 2000 TERCEL OILFIELD PRODUCTS USA L L C Dual diameter and rotating centralizer/sub and method
7377325, Jun 28 2003 WEATHERFORD TECHNOLOGY HOLDINGS, LLC Centraliser
7849918, Jul 02 2007 FORUM US, INC Centering structure for tubular member and method of making same
7878241, May 16 2007 INNOVEX DOWNHOLE SOLUTIONS, INC Expandable centralizer for expandable pipe string
8196670, Aug 10 2009 CENTEK LIMITED Downhole device
8555964, Dec 03 2007 Wells Fargo Bank, National Association Centraliser
20030000607,
20030230411,
20090025929,
20120186828,
20130248207,
D662952, Feb 24 2011 Downhole Products Limited Centraliser
D671960, Feb 24 2011 Downhole Products Limited Centraliser
/////////////////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 25 2014NEEL, JESSEANTELOPE OIL TOOL & MANUFACTURING CO , LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0325470075 pdf
Mar 25 2014MILLER, EUGENEANTELOPE OIL TOOL & MANUFACTURING CO , LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0325470075 pdf
Mar 25 2014PERRY, CHRISTOPHERANTELOPE OIL TOOL & MANUFACTURING CO , LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0325470075 pdf
Mar 25 2014BUYTAERT, JEANANTELOPE OIL TOOL & MANUFACTURING CO , LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0325470075 pdf
Mar 25 2014MCDANIEL, TROYANTELOPE OIL TOOL & MANUFACTURING CO , LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0325470075 pdf
Mar 26 2014Antelope Oil Tool & Mfg. Co., LLC(assignment on the face of the patent)
Jan 08 2016ANTELOPE OIL TOOL & MFG CO , LLCWells Fargo Bank, National AssociationSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0375530565 pdf
Oct 31 2016ANTELOPE OIL TOOL & MFG CO , LLCWells Fargo Bank, National AssociationSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0405450318 pdf
Feb 16 2018ANTELOPE OIL TOOL & MFG CO , LLCINNOVEX DOWNHOLE SOLUTIONS, INC MERGER SEE DOCUMENT FOR DETAILS 0455230542 pdf
Sep 07 2018Wells Fargo Bank, National AssociationINNOVEX DOWNHOLE SOLUTIONS, INC RELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS 0471570432 pdf
Sep 07 2018INNOVEX DOWNHOLE SOLUTIONS, INC PNC BANK, NATIONAL ASSOCIATION, AS AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0475720843 pdf
Jun 10 2019INNOVEX DOWNHOLE SOLUTIONS, INC PNC BANK, NATIONAL ASSOCIATION, AS AGENTAMENDED AND RESTATED TRADEMARK AND PATENT SECURITY AGREEMENT0494540374 pdf
Jun 10 2019INNOVEX ENERSERVE ASSETCO, LLCPNC BANK, NATIONAL ASSOCIATION, AS AGENTAMENDED AND RESTATED TRADEMARK AND PATENT SECURITY AGREEMENT0494540374 pdf
Jun 10 2019Quick Connectors, IncPNC BANK, NATIONAL ASSOCIATION, AS AGENTAMENDED AND RESTATED TRADEMARK AND PATENT SECURITY AGREEMENT0494540374 pdf
Jun 10 2022INNOVEX DOWNHOLE SOLUTIONS, INC PNC Bank, National AssociationSECOND AMENDED AND RESTATED TRADEMARK AND PATENT SECURITY AGREEMENT0604380932 pdf
Jun 10 2022TERCEL OILFIELD PRODUCTS USA L L C PNC Bank, National AssociationSECOND AMENDED AND RESTATED TRADEMARK AND PATENT SECURITY AGREEMENT0604380932 pdf
Jun 10 2022TOP-CO INC PNC Bank, National AssociationSECOND AMENDED AND RESTATED TRADEMARK AND PATENT SECURITY AGREEMENT0604380932 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule