Ejection device and method for removing foreign matter
US-12434272-B2 · Oct 7, 2025 · US
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Adjustable reciprocating pumps
Adjustable reciprocating pumps · 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 | F16N13/04 |
| Official title | Adjustable reciprocating pumps |
| Display label | Adjustable reciprocating pumps |
| Total patents | 19 |
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 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lubrication module for a turbomachine lubrication station
US-12044137-B2 · Jul 23, 2024 · US
Lubrication module for a turbomachine lubrication station
US-2023407765-A1 · Dec 21, 2023 · US
Ejection device and method for removing foreign matter
US-2023294137-A1 · Sep 21, 2023 · US
Power frame and lubrication system for a reciprocating pump assembly
US-11746953-B2 · Sep 5, 2023 · US
Lubrication distribution assembly
US-11506334-B2 · Nov 22, 2022 · US
Power frame and lubrication system for a reciprocating pump assembly
US-2022120382-A1 · Apr 21, 2022 · US
Power frame and lubrication system for a reciprocating pump assembly
US-11209124-B2 · Dec 28, 2021 · US
Continuous supply precision minimum quantity lubrication pump supporting different lubrication conditions
US-10969058-B2 · Apr 6, 2021 · US
Continuous supply precision minimum quantity lubrication pump supporting different lubrication conditions
US-2019301673-A1 · Oct 3, 2019 · US
Oil system with clog resistant oil filter
US-10385741-B2 · Aug 20, 2019 · US
Lubrication distribution assembly
US-2019249826-A1 · Aug 15, 2019 · US
Oil system with clog resistant oil filter
US-2018202330-A1 · Jul 19, 2018 · US
Oil pump
US-9903397-B2 · Feb 27, 2018 · US
Power frame and lubrication system for a reciprocating pump assembly
US-2017370524-A1 · Dec 28, 2017 · US
Internal combustion engine and separator structure thereof
US-9581061-B2 · Feb 28, 2017 · US
Method to prevent debris build-up on reciprocating air motor pilot valves
US-9540971-B2 · Jan 10, 2017 · US
Oil pump
US-2016047401-A1 · Feb 18, 2016 · US
Internal combustion engine and separator structure thereof
US-2015114368-A1 · Apr 30, 2015 · US