Headwaters Incorporated

14 patents currently held · Updated Nov 14, 2026

6 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 4 name spellings.

Ending by 2030

Jan 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 Apr 22, 2027
The maintenance fee for Audio Tone Programmed Hygienic and Therapeutic Sleep and Wake Eye Mask Having Remotely Controlled Sunrise and Sunset Multimodes (US 10,449,326) comes due Apr 22, 2027. Unpaid by Oct 22, 2027, it lapses early.
1 fee due Oct 16, 2027
The maintenance fee for Personal Rechargeable Portable Ionic Air Purifier (US 11,958,060) comes due Oct 16, 2027. Unpaid by Apr 17, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

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.

Patent	Title	Status	Expires	Confidence
US D675,061	Outdoor Barbeque Grill Lid In force Term ends Jan 29, 2027 · High confidence	In force	Term ends Jan 29, 2027	High confidence
US 7,627,917	Sound Pillow In force Term ends Oct 4, 2027 · High confidence	In force	Term ends Oct 4, 2027	High confidence
US 9,572,019	Service Selection Set Publishing to Device Agent with On-Device Service Selection In force Term ends Jun 25, 2029 · High confidence	In force	Term ends Jun 25, 2029	High confidence
US 8,083,696	Light and Massage Multi-Therapy Hairbrush In force Term ends Oct 27, 2030 · High confidence	In force	Term ends Oct 27, 2030	High confidence
US 9,350,515	Enhanced relay node with additional backhaul alternative and selection In force Term ends Oct 16, 2033 · From the USPTO record	In force	Term ends Oct 16, 2033	From the USPTO record
US 9,413,502	Backhaul assisted by user equipment In force Term ends Feb 14, 2034 · From the USPTO record	In force	Term ends Feb 14, 2034	From the USPTO record
US 9,351,190	Interference characterization based on scheduling a transmission mode In force Term ends Jun 30, 2034 · From the USPTO record	In force	Term ends Jun 30, 2034	From the USPTO record
US 9,737,895	Personal Rechargeable Portable Ionic Air Purifier In force Term ends Jun 7, 2035 · High confidence	In force	Term ends Jun 7, 2035	High confidence
US D906,504	Personal Rechargeable Portable Ionic Air Purifier In force Term ends Dec 29, 2035 · High confidence	In force	Term ends Dec 29, 2035	High confidence
US 10,449,326	Audio Tone Programmed Hygienic and Therapeutic Sleep and Wake Eye Mask Having Remotely Controlled Sunrise and Sunset Multimodes In force Term ends May 31, 2037 · High confidence	In force	Term ends May 31, 2037	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: 6 patents in force now held by others · 8 lapsed for an unpaid fee · 15 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

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.

6 abandoned

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