Shaft bearing device with a lifting device
US-11415142-B2 · Aug 16, 2022 · US
especially adapted for liquid pumps
especially adapted 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 | F04D29/146 |
| Official title | {especially adapted for liquid pumps} |
| Display label | especially adapted for liquid pumps |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Shaft bearing device with a lifting device
US-2021215164-A1 · Jul 15, 2021 · US
Shaft bearing device with a lifting device
US-10989213-B2 · Apr 27, 2021 · US
Shaft sealing structure and primary coolant circulation pump
US-10914382-B2 · Feb 9, 2021 · US
Methods and apparatuses for pump sealing during leakage events
US-2020395139-A1 · Dec 17, 2020 · US
Electromagnetic cartridge seal
US-10794493-B2 · Oct 6, 2020 · US
Methods and apparatuses for pump sealing during leakage events
US-10777329-B2 · Sep 15, 2020 · US
Passive shutdown sealing device for a system of shaft seals of a reactor coolant pump set
US-10385974-B2 · Aug 20, 2019 · US
Water pump
US-10344775-B2 · Jul 9, 2019 · US
Shaft sealing structure and reactor coolant pump
US-10311984-B2 · Jun 4, 2019 · US
Electromagnetic cartridge seal
US-2019090389-A1 · Mar 21, 2019 · US
Shaft sealing structure and primary coolant circulation pump
US-2019063610-A1 · Feb 28, 2019 · US
Shaft bearing device with a lifting device
US-2019063449-A1 · Feb 28, 2019 · US
Thermal retracting actuator
US-10125748-B2 · Nov 13, 2018 · US
Method for carrying out emergent shaft sealing for reactor coolant pump and shaft sealing assembly
US-9903473-B2 · Feb 27, 2018 · US
Thermal retracting actuator
US-2017234305-A1 · Aug 17, 2017 · US
Thermal retracting actuator
US-9714644-B2 · Jul 25, 2017 · US
Water pump
US-2016333891-A1 · Nov 17, 2016 · US
Method for carrying out emergent shaft sealing for reactor coolant pump and shaft sealing assembly
US-2016312893-A1 · Oct 27, 2016 · US
Thermal Retracting Actuator
US-2016123310-A1 · May 5, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D29/146?
- CPC F04D29/146 is the Cooperative Patent Classification code for “especially adapted for liquid pumps.”
- How many patents are filed under CPC F04D29/146 (especially adapted for liquid pumps)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC F04D29/146 growing?
- Publication counts under this code: 3 in 2021 vs 1 in 2022 (latest complete years).