Information processing apparatus, information processing method, outputting apparatus, outputting method, and notification system
US-12556629-B2 · Feb 17, 2026 · US
with bell or annunciator systems
with bell or annunciator systems · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04M11/02 |
| Official title | with bell or annunciator systems |
| Display label | with bell or annunciator systems |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wireless registration of devices with and handling of profiles in an intercom system
US-12526369-B2 · Jan 13, 2026 · US
Systems and Methods of Detecting and Responding to a Visitor to a Smart Home Environment
US-2025029460-A1 · Jan 23, 2025 · US
Wireless registration of devices with and handling of profiles in an intercom system
US-2025008024-A1 · Jan 2, 2025 · US
Call flow solutions for monitoring and emergency response
US-2024388657-A1 · Nov 21, 2024 · US
Systems and methods of detecting and responding to a visitor to a smart home environment
US-12125369-B2 · Oct 22, 2024 · US
Systems and Methods of Detecting and Responding to a Visitor to a Smart Home Environment
US-2023306826-A1 · Sep 28, 2023 · US
Information processing apparatus, information processing method, outputting apparatus, outputting method, program, and notification system
US-2023254401-A1 · Aug 10, 2023 · US
Volume control over shared trunk lines in intercom systems
US-11722603-B2 · Aug 8, 2023 · US
Systems and methods of detecting and responding to a visitor to a smart home environment
US-11710387-B2 · Jul 25, 2023 · US
Automated real time interpreter service
US-11699360-B2 · Jul 11, 2023 · US
Volume control over shared trunk lines in intercom systems
US-2022377180-A1 · Nov 24, 2022 · US
Volume control over shared trunk lines in intercom systems
US-11438461-B2 · Sep 6, 2022 · US
Systems and Methods of Detecting and Responding to a Visitor to a Smart Home Environment
US-2022247978-A1 · Aug 4, 2022 · US
Systems and Methods of Detecting and Responding to a Visitor to a Smart Home Environment
US-2022237948-A1 · Jul 28, 2022 · US
Systems and methods of presenting appropriate actions for responding to a visitor to a smart home environment
US-11356643-B2 · Jun 7, 2022 · US
Volume control over shared trunk lines in intercom systems
US-2022124202-A1 · Apr 21, 2022 · US
Systems and methods of detecting and responding to a visitor to a smart home environment
US-11256908-B2 · Feb 22, 2022 · US
Systems and methods of presenting appropriate actions for responding to a visitor to a smart home environment
US-2021377493-A1 · Dec 2, 2021 · US
Systems and methods of presenting appropriate actions for responding to a visitor to a smart home environment
US-11134227-B2 · Sep 28, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04M11/02?
- CPC H04M11/02 is the Cooperative Patent Classification code for “with bell or annunciator systems.”
- How many patents are filed under CPC H04M11/02 (with bell or annunciator systems)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC H04M11/02 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).