Collateral for a security interest recorded Jul 3, 2025 (Wells Fargo Bank, National Association).
Term ends Dec 16, 2035 · Low confidence
20-year base term ends Dec 16, 2035
Filed Oct 10, 2024 as application 18/911,758 · Granted Oct 14, 2025
Base term, 20 years from filing
Today
2015
2035
Clock starts
Dec 16, 2015
Dec 16, 2015
Term ends
Dec 16, 2035
Dec 16, 2035
Granted
Oct 14, 2025
Oct 14, 2025
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,374,485, US 11,070,109, US 12,149,153, US 9,534,473, to Dec 16, 2035. The term already ends on or before that date, so the cap shortened nothing.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
8
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 0 of 2 maintenance fees are paid so far. Confidence: Low. 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 Dec 16, 2015, when application 14/971,555, the earliest non-provisional in its chain, was filed (this one was filed Oct 10, 2024); a parent in its chain could not be resolved (the next row) | Dec 16, 2035 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,374,485, US 11,070,109, US 12,149,153, US 9,534,473) | resolves to Dec 16, 2035, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 2 maintenance fees paid | In force | High confidence |
| Further caveats on record | The record names parents not resolved: 18372760, 17379715, 16531913, 15385582 | Low confidence overall | Low confidence |
| Computed term end | The steps above, in order | Dec 16, 2035 | Low confidence |
This family
| US 9,562,420 | In force Dec 2035 | Dec 2035 |
| US 10,374,485 | In force Dec 2035 | Dec 2035 |
| US 11,070,109 | In force May 2036 | May 2036 |
| US 11,799,356 | In force Dec 2035 | Dec 2035 |
| Application 17/379,722 | Abandoned not computed | not computed |
| US 12,149,153 | In force Dec 2035 | Dec 2035 |
| US 12,445,013 | this patent Dec 2035 | Dec 2035 |
| Application 19/336,333 | Pending not computed | not computed |
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 |
|---|---|---|---|
| Oct 22, 2024 Reel 68964, frame 416 | Morris, Jeffrey G.; Bodishbaugh, Adrian Benjamin | Evolution Well Services, LLC | Assignment of Assignor's Interest |
| Oct 22, 2024 Reel 68964, frame 419 | Evolution Well Services, LLC | Typhon Technology Solutions, LLC | Assignment of Assignor's Interest |
| Oct 22, 2024 Reel 68964, frame 428 | Vann, Brett | Evolution Well Services, LLC | Assignment of Assignor's Interest |
| Oct 22, 2024 Reel 68964, frame 431 | Typhon Technology Solutions, LLC | Typhon Technology Solutions (U.S.), LLC | Assignment of Assignor's Interest |
| Jul 3, 2025 Reel 71820, frame 601 | Typhon Technology Solutions (U.S.), LLC | Wells Fargo Bank, National Association, as Agent | Security Interest |
| Sep 3, 2025 Reel 73151, frame 1 | Typhon Technology Solutions (U.S.), LLC | Wells Fargo Bank, National Association, as Agent | Corrective Assignment to Correct the Cover Sheet to Remove Oath/Declaration Option Previously Recorded on Reel 71820 Frame 601. Assignor(S) Hereby Confirms the 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.
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Alerts on its grants, lapses and transfers.
What's changing
Dec 2035
Term ends Dec 16, 2035. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,374,485, US 11,070,109, US 12,149,153, US 9,534,473, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
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.