Toilet fill valve with valve lock
US-12442169-B2 · Oct 14, 2025 · US
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with a transmission with parts linked together from a single float to a single valve
with a transmission with parts linked together from a single float to a single valve · 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 | F16K31/24 |
| Official title | with a transmission with parts linked together from a single float to a single valve |
| Display label | with a transmission with parts linked together from a single float to a single valve |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2018 | 5 |
| 2020 | 7 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Valve device
US-12172515-B2 · Dec 24, 2024 · US
Humidifier
US-2024019162-A1 · Jan 18, 2024 · US
Valve device
US-2023249543-A1 · Aug 10, 2023 · US
Buoyant mechanical liquid level control
US-11479943-B2 · Oct 25, 2022 · US
Buoyant Mechanical Liquid Level Control
US-2022042277-A1 · Feb 10, 2022 · US
Toilet fill valve with valve lock
US-2021363740-A1 · Nov 25, 2021 · US
Toilet fill valve with valve lock
US-11091902-B2 · Aug 17, 2021 · US
Autofill shutoff valve
US-10781971-B2 · Sep 22, 2020 · US
Vent valve
US-10774988-B2 · Sep 15, 2020 · US
Centerfill of lubricant reservoir
US-10731791-B2 · Aug 4, 2020 · US
Toilet fill valve with valve lock
US-2020217056-A1 · Jul 9, 2020 · US
Toilet fill valve with valve lock
US-10597855-B2 · Mar 24, 2020 · US
Universal flapper
US-10577786-B2 · Mar 3, 2020 · US
Reservoir overfill protection
US-10527228-B2 · Jan 7, 2020 · US
Universal flapper
US-2018223511-A1 · Aug 9, 2018 · US
Vent valve
US-2018142835-A1 · May 24, 2018 · US
Reservoir overfill protection
US-2018142796-A1 · May 24, 2018 · US
Autofill shutoff valve
US-2018112821-A1 · Apr 26, 2018 · US
Centerfill of lubricant reservoir
US-2018100620-A1 · Apr 12, 2018 · US