The Patent Finder

Concurrent Technologies Corporation

19 patents currently held · Updated Nov 14, 2026
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
4
Ending by 2030
Apr 2028
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.
  • 1 fee due Feb 22, 2027
    The maintenance fee for Location-based VR topological extrusion apparatus (US 11,734,477) comes due Feb 22, 2027. Unpaid by Aug 23, 2027, it lapses early.
  • 1 fee due Apr 13, 2027
    The maintenance fee for Energy generation system and related uses thereof (US 9,156,714) comes due Apr 13, 2027. Unpaid by Oct 13, 2027, it lapses early.
  • 1 fee due May 3, 2027
    The maintenance fee for Segmented track (US 9,174,688) comes due May 3, 2027. Unpaid by Nov 3, 2027, it lapses early.

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 8,448,490Processes to create discrete corrosion defects on substrates and establish corrosion NDI test standards
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,776,606Processes to create discrete corrosion defects on substrates and establish corrosion NDI test standards
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,840,292Segmented track
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,600,242Application framework for reactive information propagation and planning for lifelike exercises
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,174,688Segmented track
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,504,979Application framework for reactive information propagation and planning for lifelike exercises
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,394,596Method to improve the corrosion resistance of aluminum alloys
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,156,714Energy generation system and related uses thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,520,608Energy generation system and related uses thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,587,309Additive manufacturing using metals from the gaseous state
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 19 patents shown.
Pro members see all 19.
Pro members: see all 19 patents
Also on record, not counted in the 19: 1 patent in force now held by others · 14 lapsed for an unpaid fee · 8 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.

1 pending · 3 no status recorded

List them

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