The Patent Finder
US

Hydrocarbon Gas Processing

US 9,783,470 In force, term unresolved
OverviewFamilyAssignmentsSources & methods

Also listed on S.M.E. Products LLP, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends no later than Aug 3, 2035 · Medium confidence

In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.

Held by UOP LLC
Filed Aug 18, 2014 as application 14/462,083 · Granted Oct 10, 2017
Base term plus 350 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2014 2035
Clock starts
Aug 18, 2014
Ends no later than
Aug 3, 2035
Granted
Oct 10, 2017
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
350
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
2 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 350 days past its 20-year base term on prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 2 of 3 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 Aug 18, 2014, when this application, 14/462,083, was filedAug 18, 2034High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+350 days, USPTO patent term adjustment recordAug 3, 2035High confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderno later than Aug 3, 2035Medium confidence

This family

US 9,783,470this patent
no later than Aug 2035
no later than Aug 2035
Application PCT/US2014/051548PCT application
no patent term
no patent term
US 10,227,273In force
Aug 2034
Aug 2034
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 7, 2014
Reel 33900, frame 316
Miller, Scott A.; Wilkinson, John D.; Lynch, Joe T.; Hudson, Hank M.; Cuellar, Kyle T.; Johnke, Andrew F.; Lewis, W. LarryOrtloff Engineers, Ltd.; S.M.E. Products, LPAssignment of Assignor's Interest
Oct 7, 2014
reel/frame not recorded
Hudson, Hank M.; Johnke, Andrew F.; Lewis, W. Larry; Lynch, Joe T.; Wilkinson, John D.; Miller, Scott A.; Cuellar, Kyle T.Ortloff Engineers, Ltd.Assignment of Assignor's Interest
Oct 7, 2014
reel/frame not recorded
Hudson, Hank M.; Johnke, Andrew F.; Lewis, W. Larry; Lynch, Joe T.; Wilkinson, John D.; Miller, Scott A.; Cuellar, Kyle T.S.M.E. Products, LPAssignment of Assignor's Interest
Sep 24, 2020
Reel 54188, frame 807
Ortloff Engineers, Ltd.UOP LLCAssignment of Assignor's 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited