The Patent Finder

Imi Critical Engineering LLC

41 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.

Previously recorded as Control Components, Inc. (to 2025)

7
Ending by 2030
Mar 2027
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 Jan 18, 2027
    The maintenance fee for Three-Dimensional Tortuous Path Flow Element for Control Valves (US 11,703,147) comes due Jan 18, 2027. Unpaid by Jul 19, 2027, it lapses early.
  • 1 fee due Mar 8, 2027
    The maintenance fee for Pinch valve (US 9,127,781) comes due Mar 8, 2027. Unpaid by Sep 8, 2027, it lapses early.
  • 2 fees due May 3 to 17, 2027 · next May 3
  • 1 fee due Jul 12, 2027
    The maintenance fee for Increased efficiency strainer system (US 9,233,324) comes due Jul 12, 2027. Unpaid by Jan 12, 2028, it lapses early.
  • 2 fees due Aug 2 to 23, 2027 · next Aug 2
  • 1 fee due Nov 3, 2027
    The maintenance fee for Shut-off trim including spring loaded check valve (US 9,328,846) comes due Nov 3, 2027. Unpaid by May 3, 2028, 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 7,533,589Motion converter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,654,509Desuperheater spray nozzle
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,831,340Local digital valve controller unit
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,959,127Axial trim for dirty service valve
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,312,893Axial drag valve with internal hub actuator
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,826,938Direct metal laser sintered flow control element
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,322,373Axial drag valve with internal sleeve actuator
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,393,355Short stroke control valve
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,500,298Shut-off trim including spring loaded check valve
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,328,846Shut-off trim including spring loaded check valve
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 41 patents shown.
Pro members see all 41.
Pro members: see all 41 patents
Also on record, not counted in the 41: 1 patent in force now held by others · 12 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.
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