The Patent Finder

Cooler Master Co., Ltd.

198 patents currently held · Updated Nov 14, 2026
38 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

4
Ending by 2030
Feb 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 Nov 30, 2026
    The maintenance fee for Pulse loop heat exchanger and manufacturing method of the same (US 11,662,155) comes due Nov 30, 2026. Unpaid by Jun 1, 2027, it lapses early.
  • 6 fees due Dec 4 to 27, 2026 · next Dec 4
  • 6 fees due Jan 4 to 30, 2027 · next Jan 4
  • 8 fees due Feb 1 to 28, 2027 · next Feb 1
  • 4 fees due Mar 5 to 12, 2027 · next Mar 5
  • 4 fees due May 7 to 21, 2027 · next May 7
  • 1 fee due Jun 30, 2027
    The maintenance fee for Liquid cooling device (US 10,524,348) comes due Jun 30, 2027. Unpaid by Jan 3, 2028, it lapses early.
  • 5 fees due Jul 2 to 30, 2027 · next Jul 2
  • 5 fees due Aug 20 to 27, 2027 · next Aug 20
  • 5 fees due Sep 12 to 30, 2027 · next Sep 12
  • 1 fee due Nov 5, 2027
    The maintenance fee for Combined heat sink (US 10,641,557) comes due Nov 5, 2027. Unpaid by May 5, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 7 of the patents on this record were granted since Aug 16, 2026
  • 2 terms have 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 D723,151Fan
In force
 · From the USPTO record
In forceFrom the USPTO record
US D723,152Cooling fan
In force
 · From the USPTO record
In forceFrom the USPTO record
US D734,845Cooling fan
In force
 · From the USPTO record
In forceFrom the USPTO record
US D736,368Cooling fan
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,454,454Flat Heat Pipe Structure
In force
 · High confidence
In forceHigh confidence
US D852,803Cooling device for laptop computer
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,551,348Slim-type fan structure
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,709,063Fan structure with wear resistant film coated shaft liner
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,095,285Portable electronic device and detachable auxiliary heat-dissipating module thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,041,615Multifunction integrated connection head assembly structure
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 198 patents shown.
Pro members see all 198.
Pro members: see all 198 patents
Also on record, not counted in the 198: 38 patents in force now held by others · 32 lapsed for an unpaid fee · 22 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.

25 pending · 12 abandoned · 85 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