The Patent Finder

Fluor Technologies Corporation

112 patents currently held · Updated Nov 15, 2026
2 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 4 name spellings.

17
Ending by 2030
Nov 2026
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
  • 2 fees due Dec 9 to 25, 2026 · next Dec 9
  • 2 fees due Jan 23, 2027
  • 7 fees due Feb 1 to 27, 2027 · next Feb 1
  • 1 fee due Mar 1, 2027
    The maintenance fee for Hybrid buoyed and stayed towers and risers for deepwater (US 9,121,228) comes due Mar 1, 2027. Unpaid by Sep 1, 2027, it lapses early.
  • 3 fees due Apr 6 to 22, 2027 · next Apr 6
  • 3 fees due May 10 to 26, 2027 · next May 10
  • 2 fees due Jul 12 to 14, 2027 · next Jul 12
  • 2 fees due Aug 2 to 25, 2027 · next Aug 2
  • 4 fees due Sep 17 to 29, 2027 · next Sep 17
  • 2 fees due Oct 19 to 26, 2027 · next Oct 19
  • 3 fees due Nov 5 to 10, 2027 · next Nov 5

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
PatentTitleStatus Expires Confidence
US 8,557,206Configurations and methods for effluent gas treatment
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,126,841Ammonia Plant
In force
 · High confidence
In forceHigh confidence
US 7,910,077Configurations and methods for SOx removal in oxygen-containing gases
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,178,070Air demand feedback control systems and methods for sulfur recovery units
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,346,007Two-stage quench scrubber
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,296,966Propane recovery methods and configurations
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,776,124Configurations and methods of high pressure acid gas removal in the production of ultra-low sulfur gas
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,384,160Configurations and methods of high pressure acid gas removal in the production of ultra-low sulfur gas
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,236,276System and Method for Sulfur Recovery
In force
 · High confidence
In forceHigh confidence
US 8,746,069Devices and methods of ultrasound time of flight diffraction sensitivity demonstration
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 112 patents shown.
Pro members see all 112.
Pro members: see all 112 patents
Also on record, not counted in the 112: 2 patents in force now held by others · 125 lapsed for an unpaid fee · 26 ended at full term. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

6 pending · 8 abandoned · 65 no status recorded

List them

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