The Patent Finder

K/S Himpp

57 patents currently held · Updated Nov 14, 2026
7 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.
12
Ending by 2030
Dec 2026
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 Dec 16, 2026
    The maintenance fee for Rechargeable canal hearing device and systems (US 9,060,233) comes due Dec 16, 2026. Unpaid by Jun 16, 2027, it lapses early.
  • 3 fees due Jan 2 to 21, 2027 · next Jan 2
  • 1 fee due Feb 11, 2027
    The maintenance fee for Interactive hearing aid fitting system and methods (US 9,107,016) comes due Feb 11, 2027. Unpaid by Aug 11, 2027, it lapses early.
  • 1 fee due Mar 22, 2027
    The maintenance fee for Micro converter, audio device and hearing aid (US 9,143,871) comes due Mar 22, 2027. Unpaid by Sep 22, 2027, it lapses early.
  • 3 fees due May 10 to 26, 2027 · next May 10
  • 1 fee due Aug 4, 2027
    The maintenance fee for Hearing Aid (US 10,555,092) comes due Aug 4, 2027. Unpaid by Feb 4, 2028, it lapses early.
  • 1 fee due Sep 10, 2027
    The maintenance fee for Interactive wireless control of appliances by a hearing device (US 10,587,964) comes due Sep 10, 2027. Unpaid by Mar 10, 2028, it lapses early.
  • 1 fee due Nov 3, 2027
    The maintenance fee for Hearing profile test system and method (US 9,326,706) comes due Nov 3, 2027. Unpaid by May 3, 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 8,699,736Hearing aid
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,838,808Hearing aid
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,137,269Method and System for Managing Physiological System
In force
 · High confidence
In forceHigh confidence
US 8,031,894Non-occluding ear module for a personal sound system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,121,325Ear module for a personal sound system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,953,230Method and System for Physiological Signal Processing
In force
 · High confidence
In forceHigh confidence
US 8,284,974Hearing aid
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,798,294Hearing aid, expansion unit and method for manufacturing a hearing aid
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,041,062Personal sound system including multi-mode ear level module with priority logic
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,406,441User-adaptable hearing aid comprising an initialization module
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 57 patents shown.
Pro members see all 57.
Pro members: see all 57 patents
Also on record, not counted in the 57: 7 patents in force now held by others · 12 lapsed for an unpaid fee · 84 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.
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