The Patent Finder

Advanced Material Solutions, LLC

9 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Jul 2029
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 Dec 11, 2026
    The maintenance fee for Heater and Related Methods Therefor (US 10,315,181) comes due Dec 11, 2026. Unpaid by Jun 11, 2027, it lapses early.
  • 1 fee due Apr 20, 2027
    The maintenance fee for Purification of Trichlorosilane (US 9,162,898) comes due Apr 20, 2027. Unpaid by Oct 20, 2027, it lapses early.
  • 1 fee due Jun 22, 2027
    The maintenance fee for Apparatus and Methods for Conversion of Silicon Tetrachloride to Trichlorosilane (US 9,217,609) comes due Jun 22, 2027. Unpaid by Dec 22, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 of the patents on this record was granted 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 9 of 9

PatentTitleStatus Expires Confidence
US 9,683,286Increased Polysilicon Deposition in a CVD Reactor
In force
 · High confidence
In forceHigh confidence
US 8,298,490Systems and Methods of Producing Trichlorosilane
In force
 · High confidence
In forceHigh confidence
US 9,162,898Purification of Trichlorosilane
In force
 · High confidence
In forceHigh confidence
US 9,217,609Apparatus and Methods for Conversion of Silicon Tetrachloride to Trichlorosilane
In force
 · High confidence
In forceHigh confidence
US 9,428,830Reverse Circulation Fluidized Bed Reactor for Granular Polysilicon Production
In force
 · High confidence
In forceHigh confidence
US 10,315,181Heater and Related Methods Therefor
In force
 · High confidence
In forceHigh confidence
US 9,771,270Cold Filament Ignition System and Method of Silicon Rods
In force
 · High confidence
In forceHigh confidence
US 12,595,589Chemical Vapor Deposition Reactor in Polysilicon Production Process
In force
 · High confidence
In forceHigh confidence
US 12,774,294Method and System for Selective Recovery of Monochlorosilane and Dichlorosilane in Polysilicon Production Process
In force
 · High confidence
In forceHigh confidence
Also on record, not counted in the 9: 2 lapsed for an unpaid fee · 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.

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.

2 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