The Patent Finder

Munster Simms Engineering Limited

12 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 2 name spellings.

5
Ending by 2030
Nov 2027
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 1, 2027
    The maintenance fee for Strainer for a bilge pump (US 9,121,399) comes due Mar 1, 2027. Unpaid by Sep 1, 2027, it lapses early.
  • 1 fee due May 19, 2027
    The maintenance fee for Heating Apparatus (US 10,480,819) comes due May 19, 2027. Unpaid by Nov 19, 2027, it lapses early.
  • 1 fee due Jun 15, 2027
    The maintenance fee for Angled spray head holder (US 9,212,472) comes due Jun 15, 2027. Unpaid by Dec 15, 2027, 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 7,753,291Water outlet apparatus
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,845,591Water delivery apparatus with multi-channel hose
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,480,384Quick attach and safe release arrangement for a port of a water pump
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,615,825Liquid drainage system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,649,995Utilities pod for caravans
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,212,472Angled spray head holder
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,121,399Strainer for a bilge pump
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,494,337Apparatus for heating air
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,719,502Diaphragm pumps
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,234,138Burner Device for Heating Apparatus
In force
 · High confidence
In forceHigh confidence
10 of 12 patents shown.
Pro members see all 12.
Pro members: see all 12 patents
Also on record, not counted in the 12: 8 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 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