The Patent Finder

Tapcoenpro, LLC

10 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

0
Ending by 2030
Mar 2032
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 May 12, 2027
    The maintenance fee for Actuator for Slide Valves (US 10,473,233) comes due May 12, 2027. Unpaid by Nov 12, 2027, it lapses early.
  • 1 fee due Jun 26, 2027
    The maintenance fee for Systems and Methods for Purging an Isolation Valve with a Liquid Purge Medium (US 11,852,258) comes due Jun 26, 2027. Unpaid by Dec 27, 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.

Showing 1 to 10 of 10

PatentTitleStatus Expires Confidence
US 8,960,223Plug Valve with an Internal Check Valve
In force
 · High confidence
In forceHigh confidence
US 8,820,342Actuator Control Device and Method
In force (reinstated)
 · High confidence
In force (reinstated)High confidence
US 10,697,556Boltless Guided Slide Valve
In force
 · High confidence
In forceHigh confidence
US 10,473,233Actuator for Slide Valves
In force
 · High confidence
In forceHigh confidence
US 12,163,598Systems and Methods for Single Piece Integrated Seat
In force
 · High confidence
In forceHigh confidence
US 11,204,104Systems and Methods for Torque Isolation Valve Actuator
In force
 · High confidence
In forceHigh confidence
US 11,067,185Systems and Methods for Improved Valve Stem Coupling Assembly for Isolating the Torque Load from the Thrust Load
In force
 · High confidence
In forceHigh confidence
US 11,041,569Systems and Methods for Floating Seat Plate
In force
 · High confidence
In forceHigh confidence
US 11,852,258Systems and Methods for Purging an Isolation Valve with a Liquid Purge Medium
In force
 · High confidence
In forceHigh confidence
US 12,663,087Systems and Methods for Purging an Isolation Valve with a Liquid Purge Medium
In force
 · Medium confidence
In forceMedium confidence
Also on record, not counted in the 10: 5 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

Every application published under this name has become a patent.

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