Camfil AB

50 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 2 name spellings.

Ending by 2030

Jun 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.

3 fees due Dec 11 to 30, 2026 · next Dec 11
2 fees due Jan 30, 2027
1 fee due Feb 6, 2027
The maintenance fee for Filter frame (US 10,369,507) comes due Feb 6, 2027. Unpaid by Aug 6, 2027, it lapses early.
1 fee due Apr 15, 2027
The maintenance fee for V-type filter frame (US 10,441,911) comes due Apr 15, 2027. Unpaid by Oct 15, 2027, it lapses early.
1 fee due Jun 17, 2027
The maintenance fee for V-type filter frame (US 10,507,420) comes due Jun 17, 2027. Unpaid by Dec 17, 2027, it lapses early.
2 fees due Jul 14 to 23, 2027 · next Jul 14

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted 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 7,708,795	Air filter unit In force Term ends Jun 14, 2027 · From the USPTO record	In force	Term ends Jun 14, 2027	From the USPTO record
US 8,029,585	Pocket filter assembly In force Term ends Jan 7, 2028 · From the USPTO record	In force	Term ends Jan 7, 2028	From the USPTO record
US 8,956,433	High flow V-bank filter In force Ends no later than Jan 31, 2028 · From the USPTO record	In force	Ends no later than Jan 31, 2028	From the USPTO record
US 9,878,274	High flow V-bank filter In force (reinstated) Term ends Oct 21, 2028 · From the USPTO record	In force (reinstated)	Term ends Oct 21, 2028	From the USPTO record
US 8,425,644	High flow V-bank filter In force Term ends May 20, 2029 · From the USPTO record	In force	Term ends May 20, 2029	From the USPTO record
US 9,067,158	Filter unit In force Term ends Jan 19, 2030 · From the USPTO record	In force	Term ends Jan 19, 2030	From the USPTO record
US 9,056,270	Air intake for a plant In force Term ends Jun 16, 2030 · From the USPTO record	In force	Term ends Jun 16, 2030	From the USPTO record
US D764,041	Filter In force Term ends Aug 16, 2030 · From the USPTO record	In force	Term ends Aug 16, 2030	From the USPTO record
US 8,968,445	Regenerable Pleated Filter Medium In force Term ends Sep 5, 2030 · High confidence	In force	Term ends Sep 5, 2030	High confidence
US D774,634	Filter In force Term ends Dec 20, 2030 · From the USPTO record	In force	Term ends Dec 20, 2030	From the USPTO record

10 of 50 patents shown.

Pro members see all 50.

Pro members: see all 50 patents

Also on record, not counted in the 50: 8 lapsed for an unpaid fee · 10 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.

2 pending · 4 no status recorded

List them