Centralizer
Granted 15 Dec 2020 · 2 office actions
Current assignee: PNC Bank, National Association · originally Innovex Downhole Solutions, Inc.
Law firm: Law firm · Log in to unlock
Attorney: Attorney · Log in to unlock
Inventors: Christian Hatla, Jesse L. Neel, Everette Johnston, Christopher Penry · Examiner: Khawaja Anwar · AU 2922 · TC 2900
Life of the patent
2 dated eventsDescription
1 parts›FIG. 1 is a side view of a…
FIG. 1 is a side view of a centralizer, according to a first embodiment. The centralizer is positioned on a tubular and stop collars are disposed on the tubular on either axial end of the centralizer.
FIG. 2 is an end view of the centralizer, according to the first embodiment, positioned on the tubular.
FIG. 3 is a side view of a centralizer, according to a second embodiment. The centralizer is positioned on a tubular and stop collars are disposed on the tubular on either axial end of the centralizer.
FIG. 4 is an end view of the centralizer, according to the second embodiment, positioned on the tubular.
FIG. 5 is a side view of a centralizer, according to a third embodiment. The centralizer is positioned on a tubular and stop collars are disposed on the tubular in windows through either end collar of the centralizer.
FIG. 6 is an end view of the centralizer, according to the third embodiment, positioned on the tubular.
FIG. 7 is a side view of a centralizer, according to a fourth embodiment. The centralizer is positioned on a tubular and stop collars are disposed on the tubular in windows through either end collar of the centralizer; and,
FIG. 8 is an end view of the centralizer, according to the fourth embodiment, positioned on the tubular.
The broken lines in the drawings depict unclaimed portion of the centralizer only and form no part of the claimed design.
Claims
1 · 1 independent · depth 1Classifications
1 codesClaim changes
SoonSee which claims were amended, added or cancelled during examination, with every added and removed word marked.
The published claims of this patent are not paired with the granted ones in what we hold.
File wrapper
See the full prosecution history — every USPTO and applicant action on this file, in order.
Log in to unlockChain of title
See the full assignment history — every owner this patent has passed through, with recordation dates and reel/frame numbers.
Log in to unlockTerm & fees
See the term timeline — pendency span, in-force span, the maintenance fees paid and both computed expiry dates.
Log in to unlockValidity challenges
See the validity challenges on record — reexaminations, IPRs and PGRs, with their institution decisions and outcomes.
Log in to unlockCitations
See every patent this one cites and every patent that cites it back — publication, assignee, and how each one was found.
Log in to unlock