Pressure switch diaphragm sensing element suitable for vacuum applications
US-11378479-B2 · Jul 5, 2022 · US
actuated by diaphragm
actuated by diaphragm · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H35/34 |
| Official title | actuated by diaphragm |
| Display label | actuated by diaphragm |
| Total patents | 70 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 10 |
| 2017 | 10 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 8 |
| 2021 | 8 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and methods for regulating negative pressure in a negative pressure wound therapy system
US-11241338-B2 · Feb 8, 2022 · US
Pressure balancing device
US-2021305656-A1 · Sep 30, 2021 · US
Independent pressure monitoring switch element
US-11101089-B2 · Aug 24, 2021 · US
Methods for controlling the power supply of a vacuum cleaner motor
US-11101088-B2 · Aug 24, 2021 · US
Overload protection device and method, storage medium, compressor and electric appliance
US-11063420-B2 · Jul 13, 2021 · US
Pressure switch
US-11056301-B2 · Jul 6, 2021 · US
Pressure switch diaphragm sensing element suitable for vacuum applications
US-2021172819-A1 · Jun 10, 2021 · US
Force-distance controlled mechanical switch
US-11011333-B2 · May 18, 2021 · US
Force-distance controlled mechanical switch
US-2021035758-A1 · Feb 4, 2021 · US
Pressure switch
US-10763063-B2 · Sep 1, 2020 · US
Tactile switch for a mobile electronic device
US-10741347-B2 · Aug 11, 2020 · US
Pressure Switch
US-2020243287-A1 · Jul 30, 2020 · US
Pressure switch
US-2020234896-A1 · Jul 23, 2020 · US
Multi-mode air compressor pressure power switch
US-2020211800-A1 · Jul 2, 2020 · US
Overload Protection Device and Method, Storage Medium, Compressor and Electric Appliance
US-2020136368-A1 · Apr 30, 2020 · US
Contact structure for switch and pressure switch using the same
US-10541091-B2 · Jan 21, 2020 · US
Multi-mode air compressor pressure power switch
US-10529512-B2 · Jan 7, 2020 · US
Pressure Element
US-2019393007-A1 · Dec 26, 2019 · US
Force amplified low pressure depth activated switch
US-10510504-B2 · Dec 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H35/34?
- CPC H01H35/34 is the Cooperative Patent Classification code for “actuated by diaphragm.”
- How many patents are filed under CPC H01H35/34 (actuated by diaphragm)?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC H01H35/34 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).