IP Library › Granted Patent US 12,716,539
Granted Patent B2
US 12,716,539 · App. 17/556,791 · Granted Aug 25, 2026

Subsea flowline blockage remediation using external heating device

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,716,539
App. No.
17/556,791
Filed
Dec 20, 2021
Granted
Aug 25, 2026
Kind
B2
Examiner
DANG, KET D
Art Unit
3761
USPC
137/15.01
Assignments (1)
SECURITY INTEREST Recorded Apr 14, 2022
From: OCEANEERING INTERNATIONAL, INC.; GRAYLOC PRODUCTS, L.L.C.; MARINE PRODUCTION SYSTEMS, LTD.; OCEANEERING CANADA LIMITED
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 059783/0204 →
Continuity (2)
Division 16412075 · May 14, 2019
Related Publication 20220112975A1 · Apr 14, 2022
References Cited (13)
US 6439808B1 · Smidt · 2002 [cited by examiner]
US 6509557B1 · Bass · 2003 [cited by examiner]
US 7123826B2 · Belcher · 2006 [cited by examiner]
US 7282638B2 · Karlsen · 2007 [cited by examiner]
US 9360146B2 · Rosvold · 2016 [cited by examiner]
US 11441719B2 · Pionetti · 2022 [cited by examiner]
US 11940077B2 · Iversen · 2024 [cited by examiner]
US 20060243471A1 · Karlsen · 2006 [cited by examiner]
US 20080251668A1 · Stokes · 2008 [cited by examiner]
US 20130014833A1 · Geertsen · 2013 [cited by examiner]
US 20170159866A1 · Glejbøl · 2017 [cited by examiner]
US 20190285219A1 · Pionetti · 2019 [cited by examiner]
WO WO2017143389A1 · 2017 [cited by examiner]