Ignition device
US-2018358782-A1 · Dec 13, 2018 · US
Means providing electrical connection to sparking plugs
Means providing electrical connection to 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 | H01T13/04 |
| Official title | Means providing electrical connection to sparking plugs |
| Display label | Means providing electrical connection to sparking plugs |
| Total patents | 129 |
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 | 12 |
| 2016 | 13 |
| 2017 | 19 |
| 2018 | 24 |
| 2019 | 23 |
| 2020 | 11 |
| 2021 | 10 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ignition plug and method for manufacturing ignition plug
US-2018331511-A1 · Nov 15, 2018 · US
Method And System for A Unique Material And Geometry In A High Temperature Spark Plug Extender
US-2018316161-A1 · Nov 1, 2018 · US
Ignition device for internal combustion engine
US-2018309268-A1 · Oct 25, 2018 · US
High voltage connection sealing method for corona ignition coil
US-2018309269-A1 · Oct 25, 2018 · US
Spark plug
US-2018287350-A1 · Oct 4, 2018 · US
Connection plug
US-2018219320-A1 · Aug 2, 2018 · US
Ignition coil for internal combustion engine
US-10037846-B2 · Jul 31, 2018 · US
High voltage connection sealing method for corona ignition coil
US-10033162-B2 · Jul 24, 2018 · US
Ignition apparatus
US-2018205204-A1 · Jul 19, 2018 · US
Ignition coil for internal combustion engine
US-2018108473-A1 · Apr 19, 2018 · US
Ignition coil for internal combustion engine
US-2018109079-A1 · Apr 19, 2018 · US
Ignition coil for internal combustion engine
US-9947463-B2 · Apr 17, 2018 · US
Ignition coil for internal combustion engine
US-9938952-B2 · Apr 10, 2018 · US
Shielded spark plug extension for conventional spark plugs
US-2018030947-A1 · Feb 1, 2018 · US
Ignition coil
US-2018025836-A1 · Jan 25, 2018 · US
Diode
US-9853168-B2 · Dec 26, 2017 · US
Plasma jet plug
US-2017358905-A1 · Dec 14, 2017 · US
Ignition system
US-2017279249-A1 · Sep 28, 2017 · US
Spark plug boot cover assembly
US-9705290-B2 · Jul 11, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01T13/04?
- CPC H01T13/04 is the Cooperative Patent Classification code for “Means providing electrical connection to sparking plugs.”
- How many patents are filed under CPC H01T13/04 (Means providing electrical connection to sparking plugs)?
- Our database includes 129 publications tagged with this CPC code.
- Is patent activity under CPC H01T13/04 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).