The Patent Finder
US

Electrochemical Compressor Utilizing a Preheater

US 10,228,161 In force
OverviewFamilyAssignmentsSources & methods

Term ends Mar 13, 2030 · Medium confidence

Why Medium: A parent in the chain could not be resolved.

Filed Jun 6, 2016 as application 15/173,854 · Granted Mar 12, 2019
Base term plus 108 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2009 2030
Clock starts
Nov 25, 2009
Term ends
Mar 13, 2030
Granted
Mar 12, 2019
base term patent term adjustment fee events 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
108
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
14
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 108 days past its 20-year base term on prosecution delay. 2 of 2 maintenance fees are paid so far. Confidence: Medium. 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 Nov 25, 2009, when application 12/626,416, the earliest non-provisional in its chain, was filed (this one was filed Jun 6, 2016); a parent in its chain could not be resolved (the next row)Nov 25, 2029High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+108 days, USPTO patent term adjustment recordMar 13, 2030High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 13, 2030Medium confidence

This family

US 8,769,972In force
Dec 2032
Dec 2032
US 9,464,822In force (reinstated)
no later than Jul 2030
no later than Jul 2030
Application 13/899,909Abandoned
not computed
not computed
Application 14/303,335Abandoned
not computed
not computed
US 9,599,364Lapsed on the fee record
Mar 2025
Mar 2025
US 10,228,161this patent
Mar 2030
Mar 2030
Application 15/289,220Abandoned
not computed
not computed
US 11,302,932In force
Apr 2030
Apr 2030
8 of 14 applications in this family shown, earliest filings first. 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
Dec 13, 2016
Reel 40899, frame 460
Bahar, Bamdad; Kienitz, BrianXergy Ltd.Assignment of Assignor's Interest
May 29, 2025
Reel 71255, frame 974
Xergy Ltd.Ffi Ionix IP, Inc.Assignment of Assignor's Interest
Jun 9, 2025
Reel 71517, frame 787
Ffi Ionix IP, Inc.USA Fortescue IP, Inc.Change of Name

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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited