Resin composition for molding and electronic component device
US-2025236744-A1 · Jul 24, 2025 · US
Leading-in conductors
Leading-in conductors · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01K1/40 |
| Official title | Leading-in conductors |
| Display label | Leading-in conductors |
| Total patents | 25 |
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 | 4 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High temperature heater lamp
US-11477855-B2 · Oct 18, 2022 · US
High temperature heater lamp
US-2021400773-A1 · Dec 23, 2021 · US
Simplified lamp design
US-2021398793-A1 · Dec 23, 2021 · US
Simplified lamp design
US-11133173-B2 · Sep 28, 2021 · US
High temperature heater lamp
US-11116043-B2 · Sep 7, 2021 · US
High temperature heater lamp
US-2021176827-A1 · Jun 10, 2021 · US
Incandescent light bulb
US-10784099-B2 · Sep 22, 2020 · US
Simplified lamp design
US-2019385833-A1 · Dec 19, 2019 · US
Incandescent light bulb
US-2019355569-A1 · Nov 21, 2019 · US
Simplified lamp design
US-10453670-B2 · Oct 22, 2019 · US
Simplified lamp design
US-2019096657-A1 · Mar 28, 2019 · US
Simplified lamp design
US-10083827-B2 · Sep 25, 2018 · US
Incandescent lamp
US-9934955-B2 · Apr 3, 2018 · US
Irradiation device for introducing infrared radiation into a vacuum processing chamber using an infrared emitter capped on one end
US-2018054856-A1 · Feb 22, 2018 · US
Lamp with intertwined stranded power lead
US-9761434-B1 · Sep 12, 2017 · US
Incandescent lamp
US-2017250067-A1 · Aug 31, 2017 · US
Partially coated vehicle lamp capsule
US-9396925-B1 · Jul 19, 2016 · US
Incandescent lamp
US-9349581-B2 · May 24, 2016 · US
Liquid filament for incandescent lights
US-2016064205-A1 · Mar 3, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01K1/40?
- CPC H01K1/40 is the Cooperative Patent Classification code for “Leading-in conductors.”
- How many patents are filed under CPC H01K1/40 (Leading-in conductors)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC H01K1/40 growing?
- Publication counts under this code: 1 in 2022 vs 1 in 2025 (latest complete years).