Single use disposable elapsed time indicator with absorbable material
US-12436503-B2 · Oct 7, 2025 · US
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by consuming prefixed quantities of materials, e.g. by burning candle
by consuming prefixed quantities of materials, e.g. by burning candle · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G04F1/02 |
| Official title | by consuming prefixed quantities of materials, e.g. by burning candle |
| Display label | by consuming prefixed quantities of materials, e.g. by burning candle |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Single use disposable elapsed time indicator with absorbable material
US-2024094679-A1 · Mar 21, 2024 · US
Single use disposable elapsed time indicator with volatile fluid
US-2024085857-A1 · Mar 14, 2024 · US
Single use disposable time indication devices
US-2023166025-A1 · Jun 1, 2023 · US
Isotope detecting devices
US-11231687-B2 · Jan 25, 2022 · US
Timing device using electrodeposit growth
US-10558172-B2 · Feb 11, 2020 · US
Electrical parameters of isotopes
US-2019243311-A1 · Aug 8, 2019 · US
Timing device using electrodeposit growth
US-2018259911-A1 · Sep 13, 2018 · US
Powerless time reference
US-9880523-B2 · Jan 30, 2018 · US
Timing system and device and method for making the same
US-2016170378-A1 · Jun 16, 2016 · US
Effective life indicator and stopper including the same
US-9348318-B2 · May 24, 2016 · US
Timing system and device and method for making the same
US-9298167-B2 · Mar 29, 2016 · US
Mobile terminal device, time control method, and timer control program
US-9055164-B2 · Jun 9, 2015 · US
Expiration indication label
US-8999262-B2 · Apr 7, 2015 · US
Powerless time reference
US-2015003213-A1 · Jan 1, 2015 · US