Fuel system control
US-2020284226-A1 · Sep 10, 2020 · US
with pinion and rack
with pinion and rack · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16K31/54 |
| Official title | with pinion and rack |
| Display label | with pinion and rack |
| Total patents | 108 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 8 |
| 2017 | 12 |
| 2018 | 11 |
| 2019 | 15 |
| 2020 | 11 |
| 2021 | 7 |
| 2022 | 13 |
| 2023 | 8 |
| 2024 | 6 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Valve apparatus and controlling method therefor
US-10746308-B2 · Aug 18, 2020 · US
Rotary drive having a position detection device and calibration method
US-10746204-B2 · Aug 18, 2020 · US
Exhaust gas recirculation valve actuator device (EGR) in an internal combustion engine and related exhaust gas recirculation valve assembly
US-10634101-B2 · Apr 28, 2020 · US
Constrictor valve with webbing, cementitious slurry mixing and dispensing assembly, and method for making cementitious product
US-10537863-B2 · Jan 21, 2020 · US
Refrigerant control valve apparatus
US-10514103-B2 · Dec 24, 2019 · US
Motor and valve drive device
US-2019368539-A1 · Dec 5, 2019 · US
Surface cleaning apparatus
US-2019357748-A1 · Nov 28, 2019 · US
Dual inline valve with manual override
US-10458337-B2 · Oct 29, 2019 · US
Flow rate adjustment valve, and fluid control apparatus in which the flow rate adjustment valve is used
US-2019316703-A1 · Oct 17, 2019 · US
Device of a turbomachine for actuating a setting device and turbomachine with such a device
US-10428678-B2 · Oct 1, 2019 · US
Thin shower head and waterway switching device
US-2019283049-A1 · Sep 19, 2019 · US
Rotary fluid regulator
US-10385984-B2 · Aug 20, 2019 · US
Surface cleaning apparatus
US-10376124-B2 · Aug 13, 2019 · US
Bottom loading valves, tank management systems incorporating the same, and methods for managing tanks
US-10336236-B2 · Jul 2, 2019 · US
Method for designing a valve and method for producing a valve
US-10295065-B2 · May 21, 2019 · US
Valve position translator
US-10295078-B2 · May 21, 2019 · US
Valve apparatus and controlling method therefor
US-2019128431-A1 · May 2, 2019 · US
Wax element with linear gear actuated four-way valve
US-10222813-B2 · Mar 5, 2019 · US
Rotary actuation mechanism
US-10215301-B2 · Feb 26, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K31/54?
- CPC F16K31/54 is the Cooperative Patent Classification code for “with pinion and rack.”
- How many patents are filed under CPC F16K31/54 (with pinion and rack)?
- Our database includes 108 publications tagged with this CPC code.
- Is patent activity under CPC F16K31/54 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).