Coupling element and coupling device comprising this coupling element
US-11009165-B2 · May 18, 2021 · US
the lift valve being of the ball type · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16L37/407 |
| Official title | the lift valve being of the ball type |
| Display label | the lift valve being of the ball type |
| Total patents | 18 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11009165-B2 · May 18, 2021 · US
US-10851929-B2 · Dec 1, 2020 · US
US-2019383433-A1 · Dec 19, 2019 · US
US-2019316718-A1 · Oct 17, 2019 · US
US-10400913-B2 · Sep 3, 2019 · US
US-10072784-B2 · Sep 11, 2018 · US
US-9989181-B2 · Jun 5, 2018 · US
US-2017261141-A1 · Sep 14, 2017 · US
US-9709201-B2 · Jul 18, 2017 · US
US-9618149-B2 · Apr 11, 2017 · US
US-9506593-B2 · Nov 29, 2016 · US
US-9482378-B2 · Nov 1, 2016 · US
US-2016252203-A1 · Sep 1, 2016 · US
US-2016252202-A1 · Sep 1, 2016 · US
US-2016186907-A1 · Jun 30, 2016 · US
US-9334996-B2 · May 10, 2016 · US
US-2015090339-A1 · Apr 2, 2015 · US
US-2015090338-A1 · Apr 2, 2015 · US