Multi-chamber molten metal pump
US-2019351481-A1 · Nov 21, 2019 · US
Equipment for supplying molten metal in rations
Equipment for supplying molten metal in rations · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B22D39/00 |
| Official title | Equipment for supplying molten metal in rations |
| Display label | Equipment for supplying molten metal in rations |
| Total patents | 121 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 17 |
| 2017 | 16 |
| 2018 | 12 |
| 2019 | 11 |
| 2020 | 19 |
| 2021 | 9 |
| 2022 | 10 |
| 2023 | 7 |
| 2024 | 12 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Transferring molten metal from one structure to another
US-10458708-B2 · Oct 29, 2019 · US
Transferring molten metal from one structure to another
US-10352620-B2 · Jul 16, 2019 · US
Adjustable flow overflow vortex transfer system
US-10322450-B2 · Jun 18, 2019 · US
Transfer vessel for molten metal pumping device
US-10302361-B2 · May 28, 2019 · US
Vessel transfer systems and devices
US-10274256-B2 · Apr 30, 2019 · US
Tensioned support shaft and other molten metal devices
US-10267314-B2 · Apr 23, 2019 · US
Pouring metallic plug stick clamping mechanism for cast steel wheels
US-10252330-B2 · Apr 9, 2019 · US
Multi-stage impeller for molten metal
US-10195664-B2 · Feb 5, 2019 · US
Tensioned support shaft and other molten metal devices
US-2019032675-A1 · Jan 31, 2019 · 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 transfer vessel and method of construction
US-9982945-B2 · May 29, 2018 · US
Method for a pouring control and a storage medium for storing programs for causing a computer to carry out a process for controlling pouring
US-9975177-B2 · May 22, 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
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
Advanced material overflow transfer pump
US-2018038373-A1 · Feb 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22D39/00?
- CPC B22D39/00 is the Cooperative Patent Classification code for “Equipment for supplying molten metal in rations.”
- How many patents are filed under CPC B22D39/00 (Equipment for supplying molten metal in rations)?
- Our database includes 121 publications tagged with this CPC code.
- Is patent activity under CPC B22D39/00 growing?
- Publication counts under this code: 12 in 2024 vs 3 in 2025 (latest complete years).