Ball cage with directed flow paths for a ball pump
US-11015726-B2 · May 25, 2021 · US
Mechanical Engineering
Mechanical Engineering · 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 | F16K15/183 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 64 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 12 |
| 2019 | 10 |
| 2020 | 17 |
| 2021 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combination control and check valve assembly for a wet piping system
US-2021138283-A1 · May 13, 2021 · US
Piston ball guide for a ball pump
US-10995865-B2 · May 4, 2021 · US
Oil controlled valve
US-10830364-B2 · Nov 10, 2020 · US
Pneumatic valve
US-10808853-B2 · Oct 20, 2020 · US
Method and apparatus for valve adjustment
US-10799689-B2 · Oct 13, 2020 · US
Combination control and check valve assembly for a wet piping system
US-10774937-B2 · Sep 15, 2020 · US
Check valve ball stop having gasket compression stand off
US-2020284369-A1 · Sep 10, 2020 · US
Air shut-off valve apparatus for fuel cell system
US-10756362-B2 · Aug 25, 2020 · US
Power steering gear assembly having an end of travel valve assembly
US-2020231205-A1 · Jul 23, 2020 · US
Rocker arm assembly
US-2020224559-A1 · Jul 16, 2020 · US
Air shut-off valve apparatus for fuel cell system
US-2020212460-A1 · Jul 2, 2020 · US
Hydrostatic equalizing stem check valve
US-10662736-B2 · May 26, 2020 · US
Power steering gear assembly having an end of travel valve assembly
US-10647347-B2 · May 12, 2020 · US
Check valve and liquid delivery pump
US-10648582-B2 · May 12, 2020 · US
Valve assembly for a refrigerant circuit
US-2020132204-A1 · Apr 30, 2020 · US
Ball valve with pressure absorbing accumulator
US-2020124058-A1 · Apr 23, 2020 · US
Air cleaner having built-in valve and intake system thereof
US-2020122076-A1 · Apr 23, 2020 · US
Rocker arm assembly
US-10626758-B2 · Apr 21, 2020 · US
Valve
US-2020096012-A1 · Mar 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K15/183?
- CPC F16K15/183 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F16K15/183 (Mechanical Engineering)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC F16K15/183 growing?
- Publication counts under this code: 17 in 2020 vs 7 in 2021 (latest complete years).