Refrigerator and control method thereof
US-2018335240-A1 · Nov 22, 2018 · US
Alarm devices
Alarm devices · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F25D29/008 |
| Official title | {Alarm devices} |
| Display label | Alarm devices |
| Total patents | 299 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 11 |
| 2017 | 21 |
| 2018 | 22 |
| 2019 | 37 |
| 2020 | 31 |
| 2021 | 33 |
| 2022 | 31 |
| 2023 | 24 |
| 2024 | 34 |
| 2025 | 36 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Refrigeration system and device
US-2018224151-A1 · Aug 9, 2018 · US
System for monitoring an open container
US-2018224150-A1 · Aug 9, 2018 · US
Door alarm system and refrigeration device
US-10036588-B2 · Jul 31, 2018 · US
Monitoring of the freezing state of a biopharmaceutical fluid found in a container
US-10031033-B2 · Jul 24, 2018 · US
Micro Booster Supermarket Refrigeration Architecture
US-2018195773-A1 · Jul 12, 2018 · US
Oil Management For Micro Booster Supermarket Refrigeration System
US-2018195781-A1 · Jul 12, 2018 · US
Refrigerator
US-2018187951-A1 · Jul 5, 2018 · US
Method and system for monitoring refrigeration system
US-2018142929-A1 · May 24, 2018 · US
Computer controlled and monitored medical storage system
US-9976801-B2 · May 22, 2018 · US
Portable instant cooling system with controlled temperature obtained through timed-release liquid or gaseous CO2 coolant for general refrigeration use in mobile and stationary containers
US-9976782-B1 · May 22, 2018 · US
Method for in-service testing a climate control system for a container
US-9971366-B2 · May 15, 2018 · US
Information presenting method, server, and information presenting system
US-9967109-B2 · May 8, 2018 · US
Refrigerator and home automation system having the same
US-2018089973-A1 · Mar 29, 2018 · US
Environmental parameter monitor with wide area communication
US-2018039940-A1 · Feb 8, 2018 · US
Door alarm system and refrigeration device
US-2017321960-A1 · Nov 9, 2017 · US
Systems and methods for cooling products during transportation
US-2017299248-A1 · Oct 19, 2017 · US
Systems and Methods for Thermal Monitoring in a Retail Facility
US-2017300847-A1 · Oct 19, 2017 · US
Refrigerator
US-9793763-B2 · Oct 17, 2017 · US
Refrigerator Appliance and a Method for Operating a Refrigerator Appliance
US-2017292780-A1 · Oct 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25D29/008?
- CPC F25D29/008 is the Cooperative Patent Classification code for “Alarm devices.”
- How many patents are filed under CPC F25D29/008 (Alarm devices)?
- Our database includes 299 publications tagged with this CPC code.
- Is patent activity under CPC F25D29/008 growing?
- Publication counts under this code: 34 in 2024 vs 36 in 2025 (latest complete years).