B22D 39/00
Equipment for supplying molten metal in rations
B22D39/00 (Equipment for supplying molten metal in rations) appears on 338 US grants and 242 published applications in this corpus.
Search patents in B22D- Granted patents
- 338
- Published applications
- 242
- Assignees
- 219
- Inventors
- 608
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 10 | 0 |
| 1979 | 7 | 0 |
| 1980 | 8 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 7 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 13 | 0 |
| 1992 | 9 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 3 |
| 2002 | 5 | 9 |
| 2003 | 7 | 5 |
| 2004 | 6 | 8 |
| 2005 | 4 | 8 |
| 2006 | 3 | 9 |
| 2007 | 2 | 7 |
| 2008 | 8 | 10 |
| 2009 | 4 | 3 |
| 2010 | 2 | 4 |
| 2011 | 2 | 4 |
| 2012 | 5 | 5 |
| 2013 | 6 | 9 |
| 2014 | 3 | 9 |
| 2015 | 7 | 12 |
| 2016 | 9 | 18 |
| 2017 | 9 | 19 |
| 2018 | 14 | 10 |
| 2019 | 11 | 7 |
| 2020 | 14 | 27 |
| 2021 | 20 | 16 |
| 2022 | 14 | 13 |
| 2023 | 7 | 5 |
| 2024 | 17 | 14 |
| 2025 | 6 | 4 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B22D 39/02Equipment for supplying molten metal in rations: having means for controlling the103
- B22D 39/003Equipment for supplying molten metal in rations: using electromagnetic field61
- B22D 39/06Equipment for supplying molten metal in rations: having means for controlling the48
- B22D 39/04Equipment for supplying molten metal in rations: having means for controlling the19
Recent patents
- Device and method for producing an investment casting component31 Mar 2026US 12,589,432 B2ALD Vacuum Technologies GmbH
- Pump controller for a sand casting system16 Dec 2025US 12,496,633 B1GM Global Technology Operations LLC
- Mold pump engagement apparatus15 Jul 2025US 12,359,668 B2Pyrotek, Inc.
- Sensor controlled launder flow27 May 2025US 12,311,434 B2Pyrotek, Inc.
- Smart molten metal pump1 Apr 2025US 12,263,522 B2Molten Metal Equipment Innovations, LLC
- Molten metal supply mechanism for casting machine and molten metal supply method for casting machine24 Sep 2026US 2026/0284741 A1Ryobi Ltd.
- Hot metal transfer ladle and method for operating the same2 Jul 2026US 2026/0183837 A1China Aluminum International Engineering Corporation Limited
- Method for Producing Sheets for Sheet Packages of a Rotor and/or Stator for Three-Phase Drives, in Particular for Reluctance Machines (Reluctance Motors)26 Feb 2026US 2026/0058531 A1Dr.-Ing. Siegfried Haußmann Industrieelektronik
- Casting installation for casting metal casting material and method for casting metal casting material15 Jan 2026US 2026/0014618 A1Lkr Leichtmetallkompetenzzentrum Ranshofen GmbH
- Melt transportation device23 Oct 2025US 2025/0326030 A1Fill Gesellschaft m.b.H.
Most cited
By later US patents
- Melt pumping apparatus and casting apparatus133US 5,454,423 AGeneral Motors Corporation · 1995
- Molten metal pump126US 5,088,893 AThe Carborundum Company · 1992
- Molten metal pump124US 5,165,858 AThe Carborundum Company · 1992
- Gas-treatment plant for molten metal123US 4,003,560 AGroupement pour les Activities Atomiques et Advancees "GAAA" · 1977
- Shaft and post assemblies for molten metal apparatus119US 6,451,247 B1Metaullics Systems Co., L.P. · 2002