PATLY.AIWhere it is examined
Topic
Variable valve Steady
973 applications whose title mentions it. Its share of new filings over the last two years is -22% below the four years before.
Allowance rate
86%
+11 pts vs the USPTO 964 decided
Months to first action
19.3 mo
+0.7 vs the USPTO
Applications
973.0
in the record
Allowed
828.0
136 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 |
|---|---|---|---|---|---|---|
| 19608265 | An internal combustion engine with variable intake valve actuation, having an impro… | 2026-07-22 | Pending | 0 | 0 | n/a |
| 19591970 | VARIABLE VALVE FOR RAIL CAR BRAKING SYSTEM | 2026-05-29 | Pending | 0 | 0 | n/a |
| 19507365 | ONE-WAY TRACHEOSTOMY VALVE TO PROVIDE VARIABLE POSITIVE END-EXPIRATORY PRESSURE | 2026-01-30 | Pending | 0 | 0 | n/a |
| 15654874 | Method and apparatus for adaptive signal processing | 2012-01-10 | Allowed | 1 | 0 | 12.0 mo |
| 15560276 | Composition and method for controlled release | 2015-02-11 | Abandoned | 4 | 1 | 23.0 mo |
| 15373121 | Distributed ledger transaction verification | 2018-03-12 | Allowed | 3 | 0 | 20.0 mo |
| 15943769 | Thermal management of battery assemblies | 2021-04-13 | Pending | 2 | 1 | 17.0 mo |
| 15540270 | Machine learning model for anomaly detection | 2012-05-14 | Allowed | 1 | 0 | 14.0 mo |
| 15988606 | Wireless power transfer coil arrangement | 2015-06-15 | Abandoned | 4 | 1 | 25.0 mo |
| 15331731 | Catalyst for selective hydrogenation | 2018-07-16 | Allowed | 3 | 0 | 22.0 mo |