Self-powered downhole injection systems and methods for operating the same
US-12055020-B2 · Aug 6, 2024 · US
rectilinear movement of the pumping member in the working direction being obtained by a single-acting liquid motor, e.g. actuated in the other direction by gravity or a spring · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04B9/107 |
| Official title | rectilinear movement of the pumping member in the working direction being obtained by a single-acting liquid motor, e.g. actuated in the other direction by gravity or a spring |
| Display label | rectilinear movement of the pumping member in the working direction being obtained by a single-acting liquid motor, e.g. actuated in the other direction by gravity or a spring |
| Total patents | 47 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 13 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12055020-B2 · Aug 6, 2024 · US
US-2024003233-A1 · Jan 4, 2024 · US
US-11828281-B2 · Nov 28, 2023 · US
US-2023332585-A1 · Oct 19, 2023 · US
US-11788390-B2 · Oct 17, 2023 · US
US-2023151801-A1 · May 18, 2023 · US
US-11585333-B2 · Feb 21, 2023 · US
US-2022259954-A1 · Aug 18, 2022 · US
US-11391268-B2 · Jul 19, 2022 · US
US-2021340972-A1 · Nov 4, 2021 · US
US-2021310468-A1 · Oct 7, 2021 · US
US-11098708-B2 · Aug 24, 2021 · US
US-11073141-B2 · Jul 27, 2021 · US
US-11035349-B2 · Jun 15, 2021 · US
US-11015595-B2 · May 25, 2021 · US
US-10815977-B2 · Oct 27, 2020 · US
US-2020318622-A1 · Oct 8, 2020 · US
US-2020309116-A1 · Oct 1, 2020 · US
US-10760388-B2 · Sep 1, 2020 · US
US-2020121837-A1 · Apr 23, 2020 · US
Answers are generated from the same data shown on this page.