RedMed Limited

14 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.

Ending by 2030

Dec 2027

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 Aug 16, 2027
The maintenance fee for Systems for Reducing Exhalation Pressure in a Mask System (US 9,259,547) comes due Aug 16, 2027. Unpaid by Feb 16, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 term has ended since Aug 17, 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.

Patent	Title	Status	Expires	Confidence
US D696,767	Headgear for Mask In force Term ends Dec 31, 2027 · High confidence	In force	Term ends Dec 31, 2027	High confidence
US 7,971,590	Cushion for a Respiratory Mask Assembly In force Term ends Aug 10, 2028 · High confidence	In force	Term ends Aug 10, 2028	High confidence
US 9,629,974	Headgear for a Respiratory Mask and a Method for Donning a Respiratory Mask In force Term ends Oct 28, 2028 · High confidence	In force	Term ends Oct 28, 2028	High confidence
US D716,440	Frame for a Respiratory Mask In force Term ends Oct 28, 2028 · High confidence	In force	Term ends Oct 28, 2028	High confidence
US D746,436	Cushion for a Mask In force Term ends Dec 29, 2029 · High confidence	In force	Term ends Dec 29, 2029	High confidence
US 9,004,067	Single or Multiple Stage Blower and Nested Volute(S) and or Impeller(S) Thereof In force Term ends May 6, 2030 · High confidence	In force	Term ends May 6, 2030	High confidence
US D764,049	Patient Interface In force Term ends Aug 16, 2030 · High confidence	In force	Term ends Aug 16, 2030	High confidence
US 8,544,465	Compliant coupling or adaptor In force Term ends Aug 29, 2030 · High confidence	In force	Term ends Aug 29, 2030	High confidence
US 9,662,469	Method and Apparatus for Backspill Prevention In force Term ends Feb 26, 2031 · High confidence	In force	Term ends Feb 26, 2031	High confidence
US 8,640,698	Method and Apparatus for Monitoring the Condition of a Patient with Diabetes In force Term ends May 21, 2031 · High confidence	In force	Term ends May 21, 2031	High confidence

10 of 14 patents shown.

Pro members see all 14.

Pro members: see all 14 patents

Also on record, not counted in the 14: 1 patent in force now held by others · 3 lapsed for an unpaid fee · 4 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.

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Published applications

Every application published under this name has become a patent.