The Patent Finder

4FRONT Engineered Solutions, Inc.

16 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 3 name spellings.

6
Ending by 2030
Oct 2028
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 7, 2027
    The maintenance fee for Dock leveler sealing systems (US 9,073,710) comes due Jan 7, 2027. Unpaid by Jul 7, 2027, it lapses early.
  • 1 fee due Jun 15, 2027
    The maintenance fee for Sealing systems and associated devices for sealing loading dock doors and the like (US 9,212,510) comes due Jun 15, 2027. Unpaid by Dec 15, 2027, it lapses early.
  • 1 fee due Nov 3, 2027
    The maintenance fee for Dock leveler sealing systems (US 9,327,922) comes due Nov 3, 2027. Unpaid by May 3, 2028, 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.
PatentTitleStatus Expires Confidence
US 7,926,140Shimless frame support method and apparatus for dock levelers
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,307,589Segmented dock seals for truck loading docks and associated systems and methods
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,996,943Shimless frame support method and apparatus for dock levelers
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,046,857Dock leveler seals and associated methods and systems
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,112,949Segmented dock seals for truck loading docks and associated systems and methods
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,181,401Loading dock truck and trailer seals and associated systems and methods
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,407,842Dock levelers and associated systems and methods
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,510,888Dock leveler sealing systems
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,073,710Dock leveler sealing systems
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,327,922Dock leveler sealing systems
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 16 patents shown.
Pro members see all 16.
Pro members: see all 16 patents
Also on record, not counted in the 16: 12 lapsed for an unpaid fee · 64 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.

5 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