Long-stroke pumping unit
US-12429046-B2 · Sep 30, 2025 · US
Counterbalancing
Counterbalancing · 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 | F04B47/14 |
| Official title | Counterbalancing |
| Display label | Counterbalancing |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 8 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Long-stroke pumping unit
US-2025012268-A1 · Jan 9, 2025 · US
Long-stroke pumping unit
US-12116992-B2 · Oct 15, 2024 · US
Long-stroke pumping unit
US-2023407862-A1 · Dec 21, 2023 · US
Long-stroke pumping unit
US-11781543-B2 · Oct 10, 2023 · US
Long-stroke pumping unit
US-2023265844-A9 · Aug 24, 2023 · US
Pumping hydrocarbon fluids from a well
US-11428083-B2 · Aug 30, 2022 · US
Apparatus and methods for counterbalancing a pumping unit
US-11174856-B2 · Nov 16, 2021 · US
Pumping hydrocarbon fluids from a well
US-2021301635-A1 · Sep 30, 2021 · US
Long-stroke pumping unit
US-2021254616-A1 · Aug 19, 2021 · US
Pumping unit counterweight balancing
US-11009022-B2 · May 18, 2021 · US
Long stroke pumping unit
US-10962000-B2 · Mar 30, 2021 · US
Direct drive pumping unit
US-10890175-B2 · Jan 12, 2021 · US
Long-stroke pumping unit
US-10844852-B2 · Nov 24, 2020 · US
Delivery device having a connecting rod, and a method for controlling a delivery device having a connecting rod and at least one balance weight
US-10605240-B2 · Mar 31, 2020 · US
Pumping unit counterweight balancing
US-10598172-B2 · Mar 24, 2020 · US
Pumping unit counterweight balancing
US-2019345927-A1 · Nov 14, 2019 · US
Pumping unit counterweight balancing
US-2019338767-A1 · Nov 7, 2019 · US
Long stroke pumping unit
US-10400761-B2 · Sep 3, 2019 · US
Direct drive pumping unit
US-2019234400-A1 · Aug 1, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B47/14?
- CPC F04B47/14 is the Cooperative Patent Classification code for “Counterbalancing.”
- How many patents are filed under CPC F04B47/14 (Counterbalancing)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC F04B47/14 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).