Pressure Threshold Detector for Medical Injector
US-2025041517-A1 · Feb 6, 2025 · US
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actuated by piston and cylinder
actuated by piston and cylinder · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H35/38 |
| Official title | actuated by piston and cylinder |
| Display label | actuated by piston and cylinder |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 6 |
| 2021 | 1 |
| 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.
Differential pressure detection device
US-12025526-B2 · Jul 2, 2024 · US
Pressure switch piston
US-11915896-B2 · Feb 27, 2024 · US
Pressure switch piston
US-2023026683-A1 · Jan 26, 2023 · US
Hydraulic switch and hydraulic brake system
US-11338787-B2 · May 24, 2022 · US
Fluid management apparatus and method
US-11253640-B2 · Feb 22, 2022 · US
Differential pressure detection device
US-2021246991-A1 · Aug 12, 2021 · US
Fluid flow regulator with switch
US-2019360605-A1 · Nov 28, 2019 · US
Hydraulic switch and hydraulic brake system
US-2019348239-A1 · Nov 14, 2019 · US
Pressure switch with corrugated sheets
US-10361047-B1 · Jul 23, 2019 · US
Pressure switch with corrugated sheets
US-2019221388-A1 · Jul 18, 2019 · US
Bolted pressure switch motor arrangement
US-10319544-B2 · Jun 11, 2019 · US
Pressure responsive switch for actuating a device
US-10217583-B2 · Feb 26, 2019 · US
Bolted pressure switch motor arrangement
US-2018366287-A1 · Dec 20, 2018 · US
Gas strut spring assisted wear monitoring system
US-10119591-B1 · Nov 6, 2018 · US
Fluid Management Apparatus And Method
US-2018289870-A1 · Oct 11, 2018 · US
Swivel actuating pressure switch
US-9818563-B2 · Nov 14, 2017 · US
Pressure Responsive Switch for Actuating a Device
US-2017256375-A1 · Sep 7, 2017 · US
Storage module for a hydraulic stored-energy spring mechanism
US-9620302-B2 · Apr 11, 2017 · US
Swivel actuating pressure switch
US-2017025237-A1 · Jan 26, 2017 · US