Relief valve for oil pump having separated bypass period
US-11143067-B2 · Oct 12, 2021 · US
Timed lubrication (F01M1/08 takes precedence) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F01M1/14 |
| Official title | Timed lubrication (F01M1/08 takes precedence) |
| Display label | Timed lubrication (F01M1/08 takes precedence) |
| Total patents | 23 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 3 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11143067-B2 · Oct 12, 2021 · US
US-2021180482-A1 · Jun 17, 2021 · US
US-10876440-B2 · Dec 29, 2020 · US
US-10858965-B2 · Dec 8, 2020 · US
US-2020292053-A1 · Sep 17, 2020 · US
US-10487775-B2 · Nov 26, 2019 · US
US-2019323392-A1 · Oct 24, 2019 · US
US-2019323393-A1 · Oct 24, 2019 · US
US-10221732-B2 · Mar 5, 2019 · US
US-9803521-B2 · Oct 31, 2017 · US
US-2017138298-A1 · May 18, 2017 · US
US-9605620-B2 · Mar 28, 2017 · US
US-9476353-B2 · Oct 25, 2016 · US
US-2016305364-A1 · Oct 20, 2016 · US
US-9470123-B2 · Oct 18, 2016 · US
US-2016230622-A1 · Aug 11, 2016 · US
US-9353653-B2 · May 31, 2016 · US
US-9316252-B2 · Apr 19, 2016 · US
US-2015330272-A1 · Nov 19, 2015 · US
US-2015144084-A1 · May 28, 2015 · US