Inverted shroud for submersible well pump
US-9920611-B2 · Mar 20, 2018 · US
specially for liquid pumps
specially for liquid pumps · 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 | F04D29/708 |
| Official title | {specially for liquid pumps} |
| Display label | specially for liquid pumps |
| Total patents | 259 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 11 |
| 2017 | 36 |
| 2018 | 23 |
| 2019 | 25 |
| 2020 | 20 |
| 2021 | 32 |
| 2022 | 22 |
| 2023 | 28 |
| 2024 | 24 |
| 2025 | 25 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Submersible pumping system having thrust pad flow bypass
US-2017350399-A1 · Dec 7, 2017 · US
Electric centrifugal pump with containment shell grooves
US-2017343006-A1 · Nov 30, 2017 · US
Isolated thrust chamber for esp seal section
US-2017321711-A1 · Nov 9, 2017 · US
Mechanical seal protector for esp seal sections
US-2017321806-A1 · Nov 9, 2017 · US
Subsea process lubricated water injection pump
US-2017306966-A1 · Oct 26, 2017 · US
Drain pump and home appliance comprising same
US-2017298960-A1 · Oct 19, 2017 · US
Pump device
US-2017292521-A1 · Oct 12, 2017 · US
System and method for seal flush
US-9776158-B2 · Oct 3, 2017 · US
Pump apparatus
US-9759056-B2 · Sep 12, 2017 · US
Automatic cleaning method for a pump system comprising a softstarter arrangement
US-9735713-B2 · Aug 15, 2017 · US
Systems and Methods for Providing Network Connectivity and Remote Monitoring, Optimization, and Control of Pool/Spa Equipment
US-2017212484-A1 · Jul 27, 2017 · US
Systems and Methods for Providing Network Connectivity and Remote Monitoring, Optimization, and Control of Pool/Spa Equipment
US-2017213451-A1 · Jul 27, 2017 · US
Systems and Methods for Providing Network Connectivity and Remote Monitoring, Optimization, and Control of Pool/Spa Equipment
US-2017212530-A1 · Jul 27, 2017 · US
Systems and Methods for Providing Network Connectivity and Remote Monitoring, Optimization, and Control of Pool/Spa Equipment
US-2017212532-A1 · Jul 27, 2017 · US
Systems and Methods for Providing Network Connectivity and Remote Monitoring, Optimization, and Control of Pool/Spa Equipment
US-2017209341-A1 · Jul 27, 2017 · US
Systems and Methods for Providing Network Connectivity and Remote Monitoring, Optimization, and Control of Pool/Spa Equipment
US-2017209338-A1 · Jul 27, 2017 · US
Systems and Methods for Providing Network Connectivity and Remote Monitoring, Optimization, and Control of Pool/Spa Equipment
US-2017212536-A1 · Jul 27, 2017 · US
Systems and Methods for Providing Network Connectivity and Remote Monitoring, Optimization, and Control of Pool/Spa Equipment
US-2017212489-A1 · Jul 27, 2017 · US
Systems and Methods for Providing Network Connectivity and Remote Monitoring, Optimization, and Control of Pool/Spa Equipment
US-2017215261-A1 · Jul 27, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D29/708?
- CPC F04D29/708 is the Cooperative Patent Classification code for “specially for liquid pumps.”
- How many patents are filed under CPC F04D29/708 (specially for liquid pumps)?
- Our database includes 259 publications tagged with this CPC code.
- Is patent activity under CPC F04D29/708 growing?
- Publication counts under this code: 24 in 2024 vs 25 in 2025 (latest complete years).