Patent
   D743447
Priority
Sep 30 2014
Filed
Sep 30 2014
Issued
Nov 17 2015
Expiry
Nov 17 2029
Assg.orig
Entity
unknown
13
31
n/a
The ornamental design for a centralizer, as shown.

FIG. 1 is a perspective view of a centralizer connected to the tabs. The tabs extend inwards, toward one another, and the engaging rings are disposed axially-intermediate of the tabs.

FIG. 2 is an end view of the centralizer.

FIG. 3 is side view of the centralizer.

FIG. 4 is a perspective view of the centralizer disposed on an oilfield tubular (e.g., casing or drill pipe). A stop collar is disposed axially-intermediate of the engaging rings.

FIG. 5 is a side view of the centralizer, showing axially-extending seams thereof positioned circumferentially between the tabs.

FIG. 6 is an end view of the centralizer of FIG. 5, showing the radial-extension of the seams.

FIG. 7 is a side view of the centralizer, showing two of the axially-extending seams extending across the tabs.

FIG. 8 is an end view of the centralizer of FIG. 7, showing the radial-extension of the seam; and,

FIG. 9 is a side view of the centralizer, showing offset, axially-extending seams thereof. The end view of the centralizer of FIG. 9 is shown in FIG. 6.

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

Neel, Jesse L., Miller, Eugene, Penry, Christopher M.

Patent Priority Assignee Title
D851131, Jan 27 2015 CENTEK LIMITED Centralizer
D873867, Feb 14 2018 INNOVEX DOWNHOLE SOLUTIONS, INC Centralizer
D905126, Feb 14 2018 INNOVEX DOWNHOLE SOLUTIONS, INC Centralizer
D918273, May 14 2019 Shoe and float collar device
D930046, Feb 22 2018 VULCAN COMPLETION PRODUCTS UK LIMITED Centralizer for centralizing tubing in a wellbore
D936110, Jan 27 2015 CENTEK LIMITED Centralizer
D957470, Aug 22 2017 VULCAN COMPLETION PRODUCTS UK LIMITED Centralizer for centralizing tubing in a wellbore
ER1996,
ER347,
ER5955,
ER7264,
ER9440,
ER9801,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 30 2014ANTELOPE TOOL & MFG. CO.(assignment on the face of the patent)
Dec 09 2014MILLER, EUGENEANTELOPE OIL TOOL & MFG CO , LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0344430995 pdf
Dec 09 2014PENRY, CHRISTOPHER M ANTELOPE OIL TOOL & MFG CO , LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0344430995 pdf
Dec 09 2014NEEL, JESSE L ANTELOPE OIL TOOL & MFG CO , LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0344430995 pdf
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 2019Quick Connectors, IncPNC 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 2019INNOVEX DOWNHOLE SOLUTIONS, INC PNC 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
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