System and method for waking a user up with a stimulus of varying intensity
US-11395902-B2 · Jul 26, 2022 · US
by electric lamps · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G04C19/02 |
| Official title | by electric lamps |
| Display label | by electric lamps |
| Total patents | 9 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11395902-B2 · Jul 26, 2022 · US
US-2021146089-A1 · May 20, 2021 · US
US-2020182422-A1 · Jun 11, 2020 · US
US-10605422-B2 · Mar 31, 2020 · US
US-2018003354-A1 · Jan 4, 2018 · US
US-9797567-B2 · Oct 24, 2017 · US
US-9516726-B2 · Dec 6, 2016 · US
US-9107251-B2 · Aug 11, 2015 · US
US-2015069915-A1 · Mar 12, 2015 · US