Test device and test method
US-2018205821-A1 · Jul 19, 2018 · US
Automatic routine testing {; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor} · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04M3/28 |
| Official title | Automatic routine testing {; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor} |
| Display label | Automatic routine testing {; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor} |
| Total patents | 145 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 24 |
| 2017 | 16 |
| 2018 | 16 |
| 2019 | 19 |
| 2020 | 15 |
| 2021 | 9 |
| 2022 | 13 |
| 2023 | 11 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2018205821-A1 · Jul 19, 2018 · US
US-2018198911-A1 · Jul 12, 2018 · US
US-2018048758-A1 · Feb 15, 2018 · US
US-9888110-B2 · Feb 6, 2018 · US
US-9838531-B2 · Dec 5, 2017 · US
US-9781253-B2 · Oct 3, 2017 · US
US-9769682-B2 · Sep 19, 2017 · US
US-2017264575-A1 · Sep 14, 2017 · US
US-2017257482-A1 · Sep 7, 2017 · US
US-2017251104-A9 · Aug 31, 2017 · US
US-2017220459-A1 · Aug 3, 2017 · US
US-9661137-B2 · May 23, 2017 · US
US-2017134568-A1 · May 11, 2017 · US
US-9596344-B2 · Mar 14, 2017 · US
US-2017064074-A1 · Mar 2, 2017 · US
US-9565296-B2 · Feb 7, 2017 · US
US-2017034343-A1 · Feb 2, 2017 · US
US-9553977-B2 · Jan 24, 2017 · US
US-2017013121-A1 · Jan 12, 2017 · US
US-9544251-B2 · Jan 10, 2017 · US
Answers are generated from the same data shown on this page.