Linear FRAC pump drive system safety deflector
US-12359660-B2 · Jul 15, 2025 · US
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Draining of the housing; Arrangements for handling leaked fluids
Draining of the housing; Arrangements for handling leaked fluids · 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 | F04B1/0443 |
| Official title | Draining of the housing; Arrangements for handling leaked fluids |
| Display label | Draining of the housing; Arrangements for handling leaked fluids |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 3 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for determining malfunction of a liquid drainage pump and related control device and liquid drainage pump
US-2025215873-A1 · Jul 3, 2025 · US
Flushing circuit for a hydraulic machine
US-12215678-B2 · Feb 4, 2025 · US
Improved flushing circuit for a hydraulic machine
US-2024247635-A1 · Jul 25, 2024 · US
Suction cover assembly for reciprocating pumps
US-11828282-B2 · Nov 28, 2023 · US
Linear frac pump drive system safety deflector
US-2023142942-A1 · May 11, 2023 · US
Suction cover assembly for reciprocating pumps
US-2021388832-A1 · Dec 16, 2021 · US
Hydraulic machine including an improved braking system
US-11136976-B2 · Oct 5, 2021 · US
Suction cover assembly for reciprocating pumps
US-11105328-B2 · Aug 31, 2021 · US
High-pressure fuel pump for a fuel injection system
US-10837430-B2 · Nov 17, 2020 · US
Hydraulic unit of a vehicle brake system having an eccentric chamber
US-10589730-B2 · Mar 17, 2020 · US
High-pressure fuel pump
US-10584700-B1 · Mar 10, 2020 · US
Fuel pump assembly
US-10578083-B2 · Mar 3, 2020 · US
Hydraulic Machine Including an Improved Braking System
US-2019128259-A1 · May 2, 2019 · US
Hydraulic Unit of a Vehicle Brake System Having an Eccentric Chamber
US-2019077389-A1 · Mar 14, 2019 · US
Suction cover assembly for reciprocating pumps
US-2019063430-A1 · Feb 28, 2019 · US
High-Pressure Fuel Pump for a Fuel Injection System
US-2018258892-A1 · Sep 13, 2018 · US
Fuel pump assembly
US-2018156205-A1 · Jun 7, 2018 · US
Box lubrication pump
US-2018017047-A1 · Jan 18, 2018 · US
Box lubrication pump
US-2018017046-A1 · Jan 18, 2018 · US