Coupling and rotor shaft for molten metal devices
US-10465688-B2 · Nov 5, 2019 · US
Pumps
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 | F27D27/005 |
| Official title | {Pumps} |
| Display label | Pumps |
| Total patents | 141 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 25 |
| 2017 | 12 |
| 2018 | 15 |
| 2019 | 18 |
| 2020 | 18 |
| 2021 | 7 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 13 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Magnetic pump installation
US-10371449-B2 · Aug 6, 2019 · US
Metallurgical apparatus
US-10215495-B2 · Feb 26, 2019 · US
Rotor and rotor shaft for molten metal
US-10138892-B2 · Nov 27, 2018 · US
Molten metal transferring vessel
US-10126058-B2 · Nov 13, 2018 · US
Controlled molten metal flow from transfer vessel
US-10126059-B2 · Nov 13, 2018 · US
Transferring molten metal using non-gravity assist launder
US-10072891-B2 · Sep 11, 2018 · US
Molten metal scrap submergence apparatus
US-2018245847-A1 · Aug 30, 2018 · US
Metallurgical apparatus
US-2018216890-A1 · Aug 2, 2018 · US
Rotor and rotor shaft for molten metal
US-2018195513-A1 · Jul 12, 2018 · US
Molten metal transfer vessel and method of construction
US-9982945-B2 · May 29, 2018 · US
Molten metal transfer system and rotor
US-2018111189-A1 · Apr 26, 2018 · US
Method of transferring molten metal from a vessel
US-9925587-B2 · Mar 27, 2018 · US
System and method for degassing molten metal
US-9909808-B2 · Mar 6, 2018 · US
Molten metal rotor with hardened tip
US-2018058465-A1 · Mar 1, 2018 · US
Molten metal rotor with hardened top
US-9903383-B2 · Feb 27, 2018 · US
Method of forming transfer well
US-9862026-B2 · Jan 9, 2018 · US
Molten metal transfer system and rotor
US-9855600-B2 · Jan 2, 2018 · US
Station and method for transferring a metal melt from a melting furnace to a transport crucible, and arrangement having such a station
US-9835376-B2 · Dec 5, 2017 · US
Transferring molten metal from one structure to another
US-2017276430-A1 · Sep 28, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27D27/005?
- CPC F27D27/005 is the Cooperative Patent Classification code for “Pumps.”
- How many patents are filed under CPC F27D27/005 (Pumps)?
- Our database includes 141 publications tagged with this CPC code.
- Is patent activity under CPC F27D27/005 growing?
- Publication counts under this code: 13 in 2024 vs 7 in 2025 (latest complete years).