F04D 7/06
The fluids being hot or corrosive
Official title: the fluids being hot or corrosive, e.g. liquid metals
F04D7/06 (The fluids being hot or corrosive) appears on 256 US grants and 209 published applications in this corpus.
Search patents in F04D- Granted patents
- 256
- Published applications
- 209
- Assignees
- 100
- Inventors
- 290
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 2 |
| 2002 | 13 | 3 |
| 2003 | 5 | 9 |
| 2004 | 2 | 8 |
| 2005 | 7 | 12 |
| 2006 | 2 | 3 |
| 2007 | 3 | 2 |
| 2008 | 5 | 8 |
| 2009 | 4 | 7 |
| 2010 | 5 | 8 |
| 2011 | 4 | 9 |
| 2012 | 8 | 6 |
| 2013 | 10 | 11 |
| 2014 | 4 | 6 |
| 2015 | 7 | 10 |
| 2016 | 10 | 12 |
| 2017 | 7 | 13 |
| 2018 | 10 | 12 |
| 2019 | 9 | 10 |
| 2020 | 12 | 14 |
| 2021 | 8 | 5 |
| 2022 | 10 | 9 |
| 2023 | 5 | 10 |
| 2024 | 14 | 10 |
| 2025 | 11 | 7 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Axial pump and riser18 Aug 2026US 12,710,044 B2Molten Metal Equipment Innovations, LLC
- Battery operated molten metal pump30 Jun 2026US 12,669,127 B2Pyrotek, Inc.
- Canned rotodynamic flow machine for a molten salt nuclear reactor and an active magnetic bearing for use in a flow machine for a molten salt nuclear reactor12 May 2026US 12,624,698 B2Copenhagen Atomics A/S
- Coupling and rotor shaft for molten metal devices24 Feb 2026US 12,560,169 B2Molten Metal Equipment Innovations, LLC
- Dual pump system and method to control wavesolder contact length3 Feb 2026US 12,543,271 B1Illinois Tool Works Inc.
- Scalable multi-stage magnetic levitation molten salt pump1 Oct 2026US 2026/0298245 A1Lanzhou University of Technology
- Canned Rotodynamic Flow Machine For A Molten Salt Nuclear Reactor And An Active Magnetic Bearing For Use In A Flow Machine For A Molten Salt Nuclear Reactor20 Aug 2026US 2026/0243262 A1Copenhagen Atomics A/S
- Dual pump system and method to control wavesolder contact length18 Jun 2026US 2026/0173278 A1Illinois Tool Works Inc.
- Battery operated molten metal pump13 Nov 2025US 2025/0347281 A1Pyrotek, Inc.
- Small footprint molten metal pump24 Jul 2025US 2025/0237218 A1Molten Metal Equipment Innovations, LLC
Most cited
By later US patents
- Submerisble molten metal pump157US 5,203,681 A1993
- Method and apparatus for circulating a molten media152US 3,984,234 AAluminum Company of America · 1976
- Dual volute molten metal pump and selective outlet discriminating means150US 4,786,230 A1988
- Submersible molten metal pump143US 5,330,328 A1994
- Molten metal pump with vaned impeller143US 5,634,770 AMetaullics Systems Co., L.P. · 1997