Status alert system, method and apparatus for security systems
US-2025371971-A1 · Dec 4, 2025 · US
by proximity of an intruder causing variation in capacitance or inductance of a circuit
by proximity of an intruder causing variation in capacitance or inductance of a circuit · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G08B13/26 |
| Official title | by proximity of an intruder causing variation in capacitance or inductance of a circuit |
| Display label | by proximity of an intruder causing variation in capacitance or inductance of a circuit |
| Total patents | 45 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Presence detection device and method
US-11941961-B2 · Mar 26, 2024 · US
Method and system of detecting dynamic status of a space
US-11749099-B2 · Sep 5, 2023 · US
Presence detection device and method
US-2022415144-A1 · Dec 29, 2022 · US
Arthropod detection
US-11523599-B2 · Dec 13, 2022 · US
Systems and methods for monitoring components of and detecting an intrusion into an automated teller machine
US-11514769-B2 · Nov 29, 2022 · US
Method and system of detecting dynamic status of a space
US-2022343752-A1 · Oct 27, 2022 · US
Presence detection device and method
US-11462086-B2 · Oct 4, 2022 · US
System and method for automatically disarming an intrusion detection system
US-11455880-B2 · Sep 27, 2022 · US
System and method for automatically disarming an intrusion detection system
US-11403937-B2 · Aug 2, 2022 · US
Presence detection device and method
US-2021327231-A1 · Oct 21, 2021 · US
System and method for automatically disarming an intrusion detection system
US-2021225156-A1 · Jul 22, 2021 · US
Pick-up cargo bed capacitive sensor systems and methods
US-11062582-B1 · Jul 13, 2021 · US
Capacitive sensor system for cargo bed cap tampering detection
US-11024139-B1 · Jun 1, 2021 · US
System and method for automatically disarming an intrusion detection system
US-11011047-B2 · May 18, 2021 · US
Moving devices and controlling methods, remote controlling systems and computer products thereof
US-11004317-B2 · May 11, 2021 · US
Using a vehicle to provide home security
US-10991188-B2 · Apr 27, 2021 · US
Systems and methods for monitoring components of and detecting an intrusion into an automated teller machine
US-2021097836-A1 · Apr 1, 2021 · US
Using A Vehicle To Provide Home Security
US-2021097788-A1 · Apr 1, 2021 · US
Systems and methods for monitoring components of and detecting an intrusion into an automated teller machine
US-10891840-B2 · Jan 12, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G08B13/26?
- CPC G08B13/26 is the Cooperative Patent Classification code for “by proximity of an intruder causing variation in capacitance or inductance of a circuit.”
- How many patents are filed under CPC G08B13/26 (by proximity of an intruder causing variation in capacitance or inductance of a circuit)?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC G08B13/26 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).