Smart sealer management system and method
US-2026008076-A1 · Jan 8, 2026 · US
without auxiliary power
without auxiliary power · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G05D9/02 |
| Official title | without auxiliary power |
| Display label | without auxiliary power |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 3 |
| 2019 | 1 |
| 2021 | 4 |
| 2022 | 9 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Automatic drain valve
US-12492540-B2 · Dec 9, 2025 · US
Technique for Small Volume Metering
US-2025224745-A1 · Jul 10, 2025 · US
Toilet seat assembly
US-12139902-B2 · Nov 12, 2024 · US
Accumulator assembly
US-12060702-B2 · Aug 13, 2024 · US
Level control system for a liquid filled basin
US-12055961-B2 · Aug 6, 2024 · US
Device and method for filling an oil reservoir of an aircraft engine
US-11964779-B2 · Apr 23, 2024 · US
Automatic drain valve
US-2024125102-A1 · Apr 18, 2024 · US
Humidifier
US-2024019162-A1 · Jan 18, 2024 · US
Level gauge that measures inclination angle having a rolling member that verifies levelness
US-11860000-B2 · Jan 2, 2024 · US
Toilet seat assembly
US-2023349141-A1 · Nov 2, 2023 · US
Toilet seat assembly
US-11739516-B2 · Aug 29, 2023 · US
Handheld appliance
US-11560665-B2 · Jan 24, 2023 · US
Smart and IoT connected liquid level monitoring with remote diagnostic and maintenance capability
US-11550343-B1 · Jan 10, 2023 · US
Accumulator Assembly
US-2022403633-A1 · Dec 22, 2022 · US
Fuel Tank Unit
US-2022355662-A1 · Nov 10, 2022 · US
Buoyant mechanical liquid level control
US-11479943-B2 · Oct 25, 2022 · US
Device and method for filling an oil reservoir of an aircraft engine
US-2022212816-A1 · Jul 7, 2022 · US
Handheld appliance
US-2022195657-A1 · Jun 23, 2022 · US
Fuel supply device
US-11359588-B2 · Jun 14, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G05D9/02?
- CPC G05D9/02 is the Cooperative Patent Classification code for “without auxiliary power.”
- How many patents are filed under CPC G05D9/02 (without auxiliary power)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC G05D9/02 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).