Where it is examined
Topic
Fuel cell separator Steady
303 applications whose title mentions it. Its share of new filings over the last two years is -20% below the four years before.
Allowance rate
71%
−4 pts vs the USPTO 278 decided
Months to first action
23.4 mo
+4.8 vs the USPTO
Applications
303.0
in the record
Allowed
197.0
81 abandoned
Filings by year
How often the topic was filed
The most recent years are still filling in.
Examiners
Who examines it, and how it fares with each
Bars show the share of decided applications that were allowed.
Who files it
Companies and institutions
Bars show the share of decided applications that were allowed.
Who represents them
Law firms and agents
Bars show the share of decided applications that were allowed.
Applications
Recent applications on this topic
| Application | Title | Filed | Status | Rejections | RCEs | To 1st action |
|---|---|---|---|---|---|---|
| 19608408 | A SEPARATOR PLATE AND ITS PRODUCTION AS WELL AS PRODUCTION OF A PRECURSOR, AND A FU… | 2026-07-22 | Pending | 0 | 0 | n/a |
| 19599800 | INTERNAL WATER SEPARATOR IN A FUEL CELL STACK | 2026-06-21 | Pending | 0 | 0 | n/a |
| 19599808 | PLATE AND PERIPHERAL SEAL FOR A FUEL CELL, POLAR SEPARATOR COMPRISING SUCH PLATE AN… | 2026-06-21 | Pending | 0 | 0 | n/a |
| 15384833 | Method and apparatus for adaptive signal processing | 2012-01-10 | Allowed | 1 | 0 | 12.0 mo |
| 15424500 | Composition and method for controlled release | 2015-02-11 | Abandoned | 4 | 1 | 23.0 mo |
| 15521178 | Distributed ledger transaction verification | 2018-03-12 | Allowed | 3 | 0 | 20.0 mo |
| 15638247 | Thermal management of battery assemblies | 2021-04-13 | Pending | 2 | 1 | 17.0 mo |
| 15280285 | Machine learning model for anomaly detection | 2012-05-14 | Allowed | 1 | 0 | 14.0 mo |
| 15269894 | Wireless power transfer coil arrangement | 2015-06-15 | Abandoned | 4 | 1 | 25.0 mo |
| 15503303 | Catalyst for selective hydrogenation | 2018-07-16 | Allowed | 3 | 0 | 22.0 mo |