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Systems and Methods for Activating and Dewatering Sludge Using Acoustic Pressure Shock Waves

US 12,110,238 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Mar 6, 2024 (North Haven Expansion Credit Fund Holdings LP).

Term ends Oct 14, 2036 · Low confidence

Filed Feb 21, 2022 as application 17/676,495 · Granted Oct 8, 2024
Base term plus 346 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2016 2036
Clock starts
Aug 8, 2016
Term ends
Oct 14, 2036
Granted
Oct 8, 2024
base term patent term adjustment Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
346
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,457,571.
0 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.
7
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 346 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 3 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Aug 8, 2016, when application 15/230,765, the earliest non-provisional in its chain, was filed (this one was filed Feb 21, 2022); a parent in its chain could not be resolved (the next row)Aug 8, 2036High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+346 days, USPTO patent term adjustment recordJul 20, 2037High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,457,571)capped to Oct 14, 2036High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Further caveats on recordThe record names parents not resolved: 16504583, 15351514, 15230765Low confidence overallLow confidence
Computed term endThe steps above, in orderOct 14, 2036Low confidence

This family

US 10,053,376Lapsed on the fee record
Aug 2026
Aug 2026
US 10,246,349In force
Sep 2036
Sep 2036
US 10,457,571In force
Oct 2036
Oct 2036
US 10,562,793In force
Aug 2036
Aug 2036
Application 16/504,607Abandoned
not computed
not computed
US 11,254,589In force
Apr 2037
Apr 2037
US 12,110,238this 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.
RecordedAssignorAssigneeConveyance
Oct 24, 2022
Reel 61512, frame 547
Cioanta, Iulian; Jackson, JohnSanuwave, Inc.Assignment of Assignor's Interest
Mar 6, 2024
Reel 66666, frame 431
Sanuwave, Inc.North Haven Expansion Credit Fund Holdings LPSecurity Interest
Sep 26, 2025
Reel 72385, frame 128
Sanuwave, Inc.Jpmorgan Chase Bank, N.a.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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