The Patent Finder

Doben Limited

22 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
6
Ending by 2030
Jun 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 May 12, 2027
    The maintenance fee for System and Method with Floating Welder for High Rate Production Welding (US 10,471,549) comes due May 12, 2027. Unpaid by Nov 12, 2027, it lapses early.
  • 2 fees due Jul 2 to 30, 2027 · next Jul 2
  • 1 fee due Oct 2, 2027
    The maintenance fee for Integrated electrode maintenance for robotic welding cell including cap extractor (US 11,945,041) comes due Oct 2, 2027. Unpaid by Apr 3, 2028, 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.
PatentTitleStatus Expires Confidence
US 8,313,042Gas dynamic cold spray unit
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,282,019Adjustable cold spray nozzle
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,718,916Low impact spot welding cylinder using dual pistons
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,629,369Low impact spot welding cylinder using single or double piston
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,714,247Low impact spot welding cylinder using single piston
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,113,415Modular welding fixture
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,440,308Resistance welding electrode
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,092,973Welder with indirect sensing of weld fastener position
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,159,995Multi-passage heater assembly
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,895,775System and Method with Drag Conveyor for High Rate Production Welding
In force
 · High confidence
In forceHigh confidence
10 of 22 patents shown.
Pro members see all 22.
Pro members: see all 22 patents
Also on record, not counted in the 22: 5 lapsed for an unpaid fee · 9 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.

1 pending · 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