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Topic

Polymer electrolyte fuel Steady

368 applications whose title mentions it. Its share of new filings over the last two years is 8% above the four years before.

Allowance rate
70%
−6 pts vs the USPTO 342 decided
Months to first action
23.4 mo
+4.8 vs the USPTO
Applications
368.0
in the record
Allowed
238.0
104 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
19611434MEMBRANE ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL2026-07-31Pending00n/a
19608275GAS DIFFUSION LAYER FOR POLYMER-ELECTROLYTE MEMBRANE FUEL CELLS WITH REDUCED CONTAC…2026-07-22Pending00n/a
19608295PROTON-EXCHANGE MEMBRANE FUEL CELL WITH IMPROVED CONTACT BETWEEN THE GAS DIFFUSION …2026-07-22Pending00n/a
15658333Method and apparatus for adaptive signal processing2012-01-10Allowed1012.0 mo
15740216Composition and method for controlled release2015-02-11Abandoned4123.0 mo
15986178Distributed ledger transaction verification2018-03-12Allowed3020.0 mo
15873933Thermal management of battery assemblies2021-04-13Pending2117.0 mo
15495501Machine learning model for anomaly detection2012-05-14Allowed1014.0 mo
15440892Wireless power transfer coil arrangement2015-06-15Abandoned4125.0 mo
15762896Catalyst for selective hydrogenation2018-07-16Allowed3022.0 mo
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