Combustion pre-chamber assemblies for an internal combustion engine
US-11614027-B2 · Mar 28, 2023 · US
Sparking plugs
Sparking plugs · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01T13/00 |
| Official title | Sparking plugs |
| Display label | Sparking plugs |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 6 |
| 2017 | 9 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 3 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gaseous fuel injectors
US-10683829-B2 · Jun 16, 2020 · US
Combustion pre-chamber assemblies for an internal combustion engine
US-2020080466-A1 · Mar 12, 2020 · US
Internal combustion engine
US-10557450-B2 · Feb 11, 2020 · US
Method to determine reference airflow actuator positions for a gasoline engine
US-10273900-B2 · Apr 30, 2019 · US
Multi-cylinder Otto-cycle engine and method for operating the same
US-10196991-B2 · Feb 5, 2019 · US
Spark plug
US-10186844-B2 · Jan 22, 2019 · US
Gaseous fuel injectors
US-2018363592-A1 · Dec 20, 2018 · US
Spark plug
US-10063037-B2 · Aug 28, 2018 · US
Method to determine reference airflow actuator positions for a gasoline engine
US-2018216563-A1 · Aug 2, 2018 · US
Spark plug for internal combustion engine
US-9972977-B2 · May 15, 2018 · US
Two-dimensional igniter for testing in-cylinder gas velocity and/or gas composition
US-9964093-B2 · May 8, 2018 · US
Engine cam cover with integrated wiring and quick-connect electrical components
US-9903311-B1 · Feb 27, 2018 · US
Compression-ignition type internal combustion engine, and internal combustion engine
US-2017306918-A1 · Oct 26, 2017 · US
Spark plug for internal combustion engine, having an annular ground electrode facing an outer circumference of a center electrode
US-9793687-B2 · Oct 17, 2017 · US
Internal combustion engine
US-2017234287-A1 · Aug 17, 2017 · US
Spark plug
US-2017201074-A1 · Jul 13, 2017 · US
Spark plug for internal combustion engine
US-2017194769-A1 · Jul 6, 2017 · US
High frequency plasma ignition device
US-9617966-B2 · Apr 11, 2017 · US
Spark plug for internal combustion engine
US-2017077679-A1 · Mar 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01T13/00?
- CPC H01T13/00 is the Cooperative Patent Classification code for “Sparking plugs.”
- How many patents are filed under CPC H01T13/00 (Sparking plugs)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC H01T13/00 growing?
- Publication counts under this code: 3 in 2020 vs 1 in 2023 (latest complete years).