System and method for controlling artificial lift units
US-12460538-B2 · Nov 4, 2025 · US
This page is not indexed by search engines while we improve data quality.
details of the walking beam
details of the walking beam · 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 | F04B47/028 |
| Official title | {details of the walking beam} |
| Display label | details of the walking beam |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and Method for Controlling Artificial Lift Units
US-2022381120-A1 · Dec 1, 2022 · US
Apparatus and methods for counterbalancing a pumping unit
US-11174856-B2 · Nov 16, 2021 · US
Pumping unit counterweight balancing
US-11009022-B2 · May 18, 2021 · US
Beam pumping unit and method of operation
US-10955825-B2 · Mar 23, 2021 · US
Pumping Unit Having Zero-Imbalanced Beam, Lagging Counterweights, and Setback Crank Point
US-2020309112-A1 · Oct 1, 2020 · US
Slant well pumping unit
US-10760386-B2 · Sep 1, 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
Slant Well Pumping Unit
US-2019330964-A1 · Oct 31, 2019 · US
Apparatus and methods for counterbalancing a pumping unit
US-2018128264-A1 · May 10, 2018 · US
Beam pumping unit and method of operation
US-2017329311-A1 · Nov 16, 2017 · US