Patent AnalyticsExaminers
Menu

Topic

Air purification Declining

503 applications whose title mentions it. Its share of new filings over the last two years is -34% below the four years before.

Allowance rate
62%
−13 pts vs the USPTO 441 decided
Months to first action
21.5 mo
+2.9 vs the USPTO
Applications
503.0
in the record
Allowed
274.0
167 abandoned

Filings by year

How often the topic was filed

The most recent years are still filling in.

Applications

Recent applications on this topic

ApplicationTitleFiledStatusRejectionsRCEsTo 1st action
19627789AIR PURIFICATION DEVICE2026-09-24Pending00n/a
19624378PURIFICATION COMPONENT, PURIFICATION DEVICE, AND AIR CONDITIONER2026-09-15Pending00n/a
19621206Air Purification Apparatus and Air Treatment Device2026-09-03Pending00n/a
15952021Method and apparatus for adaptive signal processing2012-01-10Allowed1012.0 mo
15119063Composition and method for controlled release2015-02-11Abandoned4123.0 mo
15597708Distributed ledger transaction verification2018-03-12Allowed3020.0 mo
15284213Thermal management of battery assemblies2021-04-13Pending2117.0 mo
15661450Machine learning model for anomaly detection2012-05-14Allowed1014.0 mo
15457666Wireless power transfer coil arrangement2015-06-15Abandoned4125.0 mo
15734742Catalyst for selective hydrogenation2018-07-16Allowed3022.0 mo
Unlock every application on this topic, with its timelineIncluded in Pro, from $29 a month. Cancel any time.

See plans Sign in