PATLY.AIWhere it is examined
Topic
Compression ratio Steady
390 applications whose title mentions it. Its share of new filings over the last two years is -61% below the four years before.
Allowance rate
83%
+8 pts vs the USPTO 386 decided
Months to first action
17.5 mo
−1.1 vs the USPTO
Applications
390.0
in the record
Allowed
322.0
64 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 |
|---|---|---|---|---|---|---|
| 19623867 | COMPRESSION RATIO CHANGING DEVICE AND ENGINE | 2026-09-14 | Pending | 0 | 0 | n/a |
| 19621430 | METHOD FOR MEASURING A COMPRESSION RATIO IN AN ENGINE CYLINDER OF A VEHICLE AND FOR… | 2026-09-04 | Pending | 0 | 0 | n/a |
| 19429553 | GAS TURBINE ENGINE COMPRESSION SYSTEM WITH CORE COMPRESSOR PRESSURE RATIO | 2025-12-22 | Pending | 1 | 0 | 4.7 mo |
| 15976535 | Method and apparatus for adaptive signal processing | 2012-01-10 | Allowed | 1 | 0 | 12.0 mo |
| 15303598 | Composition and method for controlled release | 2015-02-11 | Abandoned | 4 | 1 | 23.0 mo |
| 15245341 | Distributed ledger transaction verification | 2018-03-12 | Allowed | 3 | 0 | 20.0 mo |
| 15350395 | Thermal management of battery assemblies | 2021-04-13 | Pending | 2 | 1 | 17.0 mo |
| 15581105 | Machine learning model for anomaly detection | 2012-05-14 | Allowed | 1 | 0 | 14.0 mo |
| 15145396 | Wireless power transfer coil arrangement | 2015-06-15 | Abandoned | 4 | 1 | 25.0 mo |
| 15351410 | Catalyst for selective hydrogenation | 2018-07-16 | Allowed | 3 | 0 | 22.0 mo |