System and method for controlling the operation of a door
US-12499716-B2 · Dec 16, 2025 · US
using counting means or digital clocks · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G07C3/04 |
| Official title | using counting means or digital clocks |
| Display label | using counting means or digital clocks |
| Total patents | 26 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12499716-B2 · Dec 16, 2025 · US
US-11860603-B2 · Jan 2, 2024 · US
US-11644826-B2 · May 9, 2023 · US
US-2022307315-A1 · Sep 29, 2022 · US
US-2021404914-A1 · Dec 30, 2021 · US
US-2021354855-A1 · Nov 18, 2021 · US
US-2021286337-A1 · Sep 16, 2021 · US
US-11022952-B2 · Jun 1, 2021 · US
US-11015323-B2 · May 25, 2021 · US
US-10763829-B2 · Sep 1, 2020 · US
US-2020256038-A1 · Aug 13, 2020 · US
US-10713858-B2 · Jul 14, 2020 · US
US-10417836-B2 · Sep 17, 2019 · US
US-2019271976-A1 · Sep 5, 2019 · US
US-10298471-B2 · May 21, 2019 · US
US-2019068172-A1 · Feb 28, 2019 · US
US-10216159-B2 · Feb 26, 2019 · US
US-2019051059-A1 · Feb 14, 2019 · US
US-2018078217-A1 · Mar 22, 2018 · US
US-2018075780-A1 · Mar 15, 2018 · US
Answers are generated from the same data shown on this page.