Evolution Technologies Inc.

29 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 4 name spellings.

Ending by 2030

Oct 2028

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 6, 2027
The maintenance fee for Bath chair (US 9,149,160) comes due Apr 6, 2027. Unpaid by Oct 6, 2027, it lapses early.
2 fees due May 10 to 24, 2027 · next May 10
2 fees due Oct 12 to 26, 2027 · next Oct 12

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.

Patent	Title	Status	Expires	Confidence
US 8,251,380	Foldable walker apparatus In force Term ends Oct 8, 2028 · From the USPTO record	In force	Term ends Oct 8, 2028	From the USPTO record
US 8,267,412	Foldable walker apparatus In force Term ends Oct 8, 2028 · From the USPTO record	In force	Term ends Oct 8, 2028	From the USPTO record
US 8,448,960	Foldable walker apparatus In force Ends no later than Oct 8, 2028 · From the USPTO record	In force	Ends no later than Oct 8, 2028	From the USPTO record
US 8,454,034	Foldable walker apparatus In force Ends no later than Oct 8, 2028 · From the USPTO record	In force	Ends no later than Oct 8, 2028	From the USPTO record
US 8,517,399	Foldable walker apparatus In force Term ends Oct 8, 2028 · From the USPTO record	In force	Term ends Oct 8, 2028	From the USPTO record
US 8,602,424	Foldable walker apparatus In force Ends no later than Oct 8, 2028 · From the USPTO record	In force	Ends no later than Oct 8, 2028	From the USPTO record
US 8,936,256	Foldable walker apparatus In force Ends no later than Oct 8, 2028 · From the USPTO record	In force	Ends no later than Oct 8, 2028	From the USPTO record
US 9,192,541	Foldable walker apparatus In force Term ends Mar 21, 2029 · From the USPTO record	In force	Term ends Mar 21, 2029	From the USPTO record
US 9,623,888	Foldable walker apparatus In force Term ends Oct 4, 2029 · From the USPTO record	In force	Term ends Oct 4, 2029	From the USPTO record
US 9,022,413	Foldable Walker Apparatus In force Term ends Feb 4, 2030 · Medium confidence	In force	Term ends Feb 4, 2030	Medium confidence

10 of 29 patents shown.

Pro members see all 29.

Pro members: see all 29 patents

Also on record, not counted in the 29: 3 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.

Export every term end as CSV · Pro

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.

3 no status recorded

List them