Coil spring
US-11940031-B2 · Mar 26, 2024 · US
the cross-section varying with the wire length · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16F1/043 |
| Official title | {the cross-section varying with the wire length} |
| Display label | the cross-section varying with the wire length |
| Total patents | 31 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11940031-B2 · Mar 26, 2024 · US
US-2024066936-A1 · Feb 29, 2024 · US
US-11852211-B2 · Dec 26, 2023 · US
US-2023392662-A1 · Dec 7, 2023 · US
US-11821485-B1 · Nov 21, 2023 · US
US-2023304558-A1 · Sep 28, 2023 · US
US-2023304556-A1 · Sep 28, 2023 · US
US-2023304557-A1 · Sep 28, 2023 · US
US-11371575-B1 · Jun 28, 2022 · US
US-2022178415-A1 · Jun 9, 2022 · US
US-2022127106-A1 · Apr 28, 2022 · US
US-2022074458-A1 · Mar 10, 2022 · US
US-2022065248-A1 · Mar 3, 2022 · US
US-10564605-B2 · Feb 18, 2020 · US
US-10422398-B2 · Sep 24, 2019 · US
US-10358008-B2 · Jul 23, 2019 · US
US-2018265952-A1 · Sep 20, 2018 · US
US-10018964-B2 · Jul 10, 2018 · US
US-2018187734-A1 · Jul 5, 2018 · US
US-9713946-B2 · Jul 25, 2017 · US
Answers are generated from the same data shown on this page.