The Patent Finder

Inter-Valve Technologies, LLC

7 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Mar 2031
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 6, 2027
    The maintenance fee for Flexible sealing ring for valves (US 10,371,266) comes due Feb 6, 2027. Unpaid by Aug 6, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 term has ended since Aug 16, 2026

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.

Showing 1 to 7 of 7

PatentTitleStatus Expires Confidence
US 8,308,132Hemi-wedge verifiable shutoff valve
In force (reinstated)
 · From the USPTO record
In force (reinstated)From the USPTO record
US 9,446,485Double offset ball member usable in ball valves and other flow control applications
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,960,643Double Offset Ball Member Usable in Ball Valves and Other Flow Control Applications
In force
 · High confidence
In forceHigh confidence
US 9,447,909Connector assembly usable as a closure and to establish a fluid connection
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,183,364Method of Manufacturing a Ball Member Usable in Ball Valves and Other Flow Control Devices
In force
 · Medium confidence
In forceMedium confidence
US 10,371,266Flexible sealing ring for valves
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,484,523Rotatable wedge cartridge valve mechanism and method for assembly and disassembly
In force
Term ended Oct 27, 2026 · From the USPTO record
In forceTerm ended Oct 27, 2026From the USPTO record
Also on record, not counted in the 7: 1 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