The Patent Finder

Maricap Oy

36 patents currently held · Updated Nov 15, 2026
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
5
Ending by 2030
Aug 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 Jan 28, 2027
    The maintenance fee for Method and means in waste handling (US 9,090,399) comes due Jan 28, 2027. Unpaid by Jul 28, 2027, it lapses early.
  • 3 fees due Mar 1 to 22, 2027 · next Mar 1
  • 3 fees due Apr 8 to 15, 2027 · next Apr 8
  • 2 fees due May 5 to 17, 2027 · next May 5
  • 1 fee due Jul 26, 2027
    The maintenance fee for Method and pneumatic material conveying system (US 9,242,808) comes due Jul 26, 2027. Unpaid by Jan 26, 2028, it lapses early.
  • 1 fee due Sep 26, 2027
    The maintenance fee for Method for Conveying Material in a Pneumatic Material Conveying System, and Pneumatic Material Conveying System (US 11,939,174) comes due Sep 26, 2027. Unpaid by Mar 27, 2028, it lapses early.
  • 2 fees due Oct 12 to 21, 2027 · next Oct 12

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 8,727,671Waste conveying system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,090,399Method and means in waste handling
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,505,759Method for closing a waste bin filling hole and a waste bin
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,120,131Method and apparatus for sorting wastes
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,790,024Waste handling system and method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,899,885Method and apparatus for handling material in a pneumatic materials handling system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,242,808Method and pneumatic material conveying system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,139,362Method and apparatus for handling material in a pneumatic pipe transport system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,156,612Method and apparatus for handling material in a pneumatic materials handling system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,546,041Method and apparatus in a pneumatic material conveying system, and a waste conveying system
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 36 patents shown.
Pro members see all 36.
Pro members: see all 36 patents
Also on record, not counted in the 36: 1 patent in force now held by others · 6 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 pending · 24 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited