Ignition plug including a mark formed of an oxide film and method for manufacturing thereof
US-10468859-B2 · Nov 5, 2019 · US
Details
Details · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01T13/02 |
| Official title | Details |
| Display label | Details |
| Total patents | 132 |
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 | 10 |
| 2016 | 12 |
| 2017 | 13 |
| 2018 | 14 |
| 2019 | 18 |
| 2020 | 28 |
| 2021 | 13 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Spark plug
US-2019334322-A1 · Oct 31, 2019 · US
Spark plug
US-2019326733-A1 · Oct 24, 2019 · US
Method for manufacturing an ignition plug including a mark formed of an oxide film
US-10454253-B2 · Oct 22, 2019 · US
Spark plug
US-10431962-B2 · Oct 1, 2019 · US
Spark plug for internal combustion engine
US-10333282-B2 · Jun 25, 2019 · US
Corona igniter with hermetic combustion seal on insulator inner diameter
US-2019181621-A1 · Jun 13, 2019 · US
Spark plug
US-10270228-B2 · Apr 23, 2019 · US
Spark plug
US-2019067915-A1 · Feb 28, 2019 · US
Spark plug
US-2019067914-A1 · Feb 28, 2019 · US
Corona igniter with hermetic combustion seal on insulator inner diameter
US-10211605-B2 · Feb 19, 2019 · US
Spark plug
US-2018374601-A1 · Dec 27, 2018 · US
Spark plug
US-10153620-B2 · Dec 11, 2018 · US
Ignition plug and method for manufacturing ignition plug
US-2018331511-A1 · Nov 15, 2018 · US
Spark plug
US-2018287350-A1 · Oct 4, 2018 · US
Spark plug
US-10090648-B1 · Oct 2, 2018 · US
Spark plug
US-10079476-B2 · Sep 18, 2018 · US
Spark plug
US-10063036-B2 · Aug 28, 2018 · US
Spark plug
US-2018212405-A1 · Jul 26, 2018 · US
Spark plug
US-2018152006-A1 · May 31, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01T13/02?
- CPC H01T13/02 is the Cooperative Patent Classification code for “Details.”
- How many patents are filed under CPC H01T13/02 (Details)?
- Our database includes 132 publications tagged with this CPC code.
- Is patent activity under CPC H01T13/02 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).