The Patent Finder

Astec, Inc.

29 patents currently held · Updated Nov 14, 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.
5
Ending by 2030
Jun 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 May 17, 2027
    The maintenance fee for Apparatus and Method for Mixing Tube Assembly (US 9,188,330) comes due May 17, 2027. Unpaid by Nov 17, 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 7,566,162Apparatus and Method for a Hot Mix Asphalt Plant Using a High Percentage of Recycled Asphalt Products
In force
 · High confidence
In forceHigh confidence
US 7,785,100Burner Assembly with Turbulent Tube Fuel-Air Mixer
In force
 · Medium confidence
In forceMedium confidence
US 7,878,797Burner Assembly with Screen
In force
 · Medium confidence
In forceMedium confidence
US 7,810,441Coal Burner Assembly
In force
 · High confidence
In forceHigh confidence
US 7,927,413Method and Apparatus for Making Asphalt Concrete Using Foamed Asphalt Cement
In force
 · High confidence
In forceHigh confidence
US 8,172,448Method and Apparatus for Adapting Asphalt Dryer/Mixer to Minimize Asphalt Build-Up
In force
 · High confidence
In forceHigh confidence
US 9,835,374Apparatus and Method for a Dryer
In force
 · High confidence
In forceHigh confidence
US 9,188,330Apparatus and Method for Mixing Tube Assembly
In force
 · High confidence
In forceHigh confidence
US 9,506,646Apparatus and Method for Linear Mixing Tube Assembly
In force
 · High confidence
In forceHigh confidence
US 9,382,672Apparatus and Method for Dryer Performance Optimization System
In force
 · High confidence
In forceHigh confidence
10 of 29 patents shown.
Pro members see all 29.
Pro members: see all 29 patents
Also on record, not counted in the 29: 2 patents in force now held by others · 10 lapsed for an unpaid fee · 70 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.

3 pending · 7 abandoned · 1 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