Collateral for a security interest recorded Jan 19, 2024 (Axos Bank).
Term ends Oct 2, 2036 · High confidence
20-year base term ends May 21, 2035
Held by The Babcock & Wilcox Company
Filed Nov 22, 2016 as application 15/313,222 · Granted Mar 17, 2020
Base term plus 500 days of patent term adjustment (USPTO delay)
Today
2015
2036
Clock starts
May 21, 2015
May 21, 2015
Term ends
Oct 2, 2036
Oct 2, 2036
Granted
Mar 17, 2020
Mar 17, 2020
base term
patent term adjustment
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
500
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
3
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 500 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts May 21, 2015, when application PCT/US2015/031981, the earliest non-provisional in its chain, was filed (this one was filed Nov 22, 2016) | May 21, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +500 days, USPTO patent term adjustment record | Oct 2, 2036 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 2, 2036 | High confidence |
This family
| Application 62/002,584 | Provisional application no patent term | no patent term |
| Application PCT/US2015/031981 | PCT application no patent term | no patent term |
| US 10,589,226 | this patent Oct 2036 | Oct 2036 |
The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Mar 16, 2017 Reel 41596, frame 582 | Feeney, Steven | The Babcock & Wilcox Company | Assignment of Assignor's Interest |
| Mar 16, 2017 Reel 41596, frame 708 | Klidas, Michael G; Redinger, Kevin E; Mitchell, Joseph M, III | The Babcock & Wilcox Company | Assignment of Assignor's Interest |
| Mar 16, 2017 Reel 41596, frame 880 | Jacobsen, Niels; Boilsen, Claus Erik | Gea Process Engineering A/S | Assignment of Assignor's Interest |
| Aug 10, 2017 Reel 43515, frame 1 | The Babcock & Wilcox Company; Diamond Power International, LLC; Babcock & Wilcox Megtec, LLC; Megtec Turbosonic Technologies, Inc.; Babcock & Wilcox Universal, Inc.; Babcock & Wilcox Technology, LLC | Lightship Capital LLC | Security Interest |
| May 17, 2018 Reel 46182, frame 829 | Lightship Capital LLC | Babcock & Wilcox Enterprises, Inc.; The Babcock & Wilcox Company; Diamond Power International, LLC; Babcock & Wilcox Megtec, LLC; Megtec Turbosonic Technologies, Inc.; Babcock & Wilcox Universal, Inc.; Babcock & Wilcox Technology, LLC | Release of Security Interest |
| May 17, 2018 reel/frame not recorded | Lightship Capital LLC | Babcock & Wilcox Enterprises, Inc. | Release of Security Interest |
| May 17, 2018 reel/frame not recorded | Lightship Capital LLC | The Babcock & Wilcox Company | Release of Security Interest |
| May 17, 2018 reel/frame not recorded | Lightship Capital LLC | Diamond Power International, LLC | Release of Security Interest |
| May 17, 2018 reel/frame not recorded | Lightship Capital LLC | Babcock & Wilcox Megtec, LLC | Release of Security Interest |
| May 17, 2018 reel/frame not recorded | Lightship Capital LLC | Megtec Turbosonic Technologies, Inc. | Release of Security Interest |
| May 17, 2018 reel/frame not recorded | Lightship Capital LLC | Babcock & Wilcox Universal, Inc. | Release of Security Interest |
| May 17, 2018 reel/frame not recorded | Lightship Capital LLC | Babcock & Wilcox Technology, LLC | Release of Security Interest |
| Jul 22, 2021 Reel 56962, frame 486 | The Babcock & Wilcox Company (F/K/A Babcock & Wilcox Power Generation Group, Inc.); Babcock & Wilcox Spig, Inc.; Babcock & Wilcox Technology, LLC; Diamond Power International, LLC (F/K/A Diamond Power International, Inc.) | MSD Pcof Partners XLV, LLC, as Agent | Security Interest |
| Jan 19, 2024 Reel 66354, frame 765 | Babcock & Wilcox Enterprises, Inc.; The Babcock & Wilcox Company; Diamond Power International, LLC; Babcock & Wilcox Spig, Inc.; Babcock & Wilcox Canada Corp.; Babcock & Wilcox FPS Inc. | Axos Bank, As Administrative Agent | Security Interest |
| Sep 13, 2024 Reel 69017, frame 362 | MSD Pcof Partners XLV, LLC | The Babcock & Wilcox Company; Diamond Power International, LLC; Americon LLC | Release of Security Interest |
| Sep 13, 2024 reel/frame not recorded | MSD Pcof Partners XLV, LLC | The Babcock & Wilcox Company | Release of Security Interest |
| Sep 13, 2024 reel/frame not recorded | MSD Pcof Partners XLV, LLC | Diamond Power International, LLC | Release of Security Interest |
| Sep 13, 2024 reel/frame not recorded | MSD Pcof Partners XLV, LLC | Americon LLC | Release of Security Interest |
| Mar 3, 2025 Reel 70380, frame 647 | Babcock & Wilcox Enterprises, Inc.; The Babcock & Wilcox Company; Diamond Power International, LLC; Babcock & Wilcox Spig, Inc.; Babcock & Wilcox Canada Corp.; Babcock & Wilcox FPS Inc. | Pension Benefit Guaranty Corporation | Security Interest |
| May 23, 2025 Reel 71371, frame 835 | Babcock & Wilcox Enterprises, Inc.; The Babcock & Wilcox Company; Diamond Power International, LLC; Babcock & Wilcox Spig, Inc.; Babcock & Wilcox Canada Corp.; Babcock & Wilcox FPS Inc. | Glas Trust Company LLC | Security Interest |
| Jul 18, 2025 Reel 72053, frame 943 | Babcock & Wilcox Enterprises, Inc.; The Babcock & Wilcox Company; Diamond Power International, LLC; Babcock & Wilcox Spig, Inc.; Babcock & Wilcox Canada Corp.; Babcock & Wilcox FPS Inc. | B. Riley Financial, Inc. | Security Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Oct 2036
Term ends Oct 2, 2036. Maintenance fees still fall due before then
Note
The 500 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
6
later US patents cite this one
That is above the median of utility patents granted in 2020 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.