The Patent Finder

Stephenson Technologies Inc.

14 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
Feb 2036
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 Mar 17, 2027
    The maintenance fee for Belt contact surface with inserts, and a conveyor system using same (US 10,414,591) comes due Mar 17, 2027. Unpaid by Sep 17, 2027, it lapses early.
  • 2 fees due May 19, 2027
  • 1 fee due Jun 26, 2027
    The maintenance fee for Conveyor system for wheeled structures and improvements thereto (US 11,851,284) comes due Jun 26, 2027. Unpaid by Dec 27, 2027, it lapses early.
  • 1 fee due Aug 4, 2027
    The maintenance fee for Liquid introduction systems for conveyor system (US 10,549,725) comes due Aug 4, 2027. Unpaid by Feb 4, 2028, 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 9,650,218Vehicle conveyor assembly with heater
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,745,142Conveyor assembly
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,266,154Conveyor Assembly
In force
 · Low confidence
In forceLow confidence
US 10,479,329Liquid introduction systems for conveyor system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,549,725Liquid introduction systems for conveyor system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,479,607Belt Contact Surface for Conveyor System
In force
 · High confidence
In forceHigh confidence
US 10,947,051Conveyor system assembly
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,414,591Belt contact surface with inserts, and a conveyor system using same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,053,079Connector structures for conveyor system assembly
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,110,900Vehicle sensing and guidance system for a vehicle wash, and a vehicle wash
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 14 patents shown.
Pro members see all 14.
Pro members: see all 14 patents

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.

1 abandoned · 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