The Patent Finder
PY

Pyreos Ltd.

First filing 2010
OverviewNotableFeesChangesPatent listSources & methods

2 patents currently held

16 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.

The next term ends in Jan 2034. from the record

Of the 16 now held by other companies, 16 name Avago Technologies International Sales Pte Limited as their current owner. Each row says so.

Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Jan 2034
Next term end
2
Patent families

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
notable patents all others Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Notable: the highest-ranked patents in this portfolio by citations and family size.

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Only 2 of the currently held patents qualify as notable.

Formerly held, still cited

Notable
Renewed at every maintenance window since the 2014 grant; no more fees are due before its term ends in 2030.
Ends Feb 2030 · High confidence
Also notable
Granted 2016 and renewed at every maintenance window due so far. Protection runs to 2033.
Ends Aug 2033 · High confidence
Also notable
The newest of the three, granted 2022. It anchors the portfolio to 2038, later than anything else here.
Ends Sep 2038 · High confidence

Fee deadlines

No maintenance fee falls due on this company's record before Nov 10, 2027.

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first.

Showing 1 to 2 of 2

PatentTitleStatusExpiresConfidence
US D838,201Pyroelectric Detector
In force
 · High confidence
In forceHigh confidence
US D848,296Pyroelectric Detector
In force
 · Medium confidence
In forceMedium confidence
Also on record, not counted in the 2: 16 patents in force now held by others · 6 patents ended · 1 application abandoned. List them

Sources and methods

Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
1 terminal disclaimer is on file with no resolved reference. No cap is applied and none is guessed
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