C21D 1/607
Molten salts
C21D1/607 (Molten salts) appears on 30 US grants and 36 published applications in this corpus.
Search patents in C21D- Granted patents
- 30
- Published applications
- 36
- Assignees
- 37
- Inventors
- 90
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 3 |
| 2014 | 3 | 1 |
| 2015 | 0 | 3 |
| 2016 | 2 | 4 |
| 2017 | 2 | 3 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 2 | 4 |
| 2021 | 1 | 1 |
| 2022 | 3 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 3 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of heat treating a steel component27 Jan 2026US 12,534,793 B2Aktiebolaget Skf
- Offset link for roller chain with enhanced strength1 Aug 2023US 11,713,492 B2Iwis Drive Systems, LLC
- Synthesis of highly ordered nanoparticle arrays in anisotropic nanoreactors27 Dec 2022US 11,534,831 B2Northwestern University
- Method of manufacturing cam piece for continuously variable valve duration and cam piece manufactured therefrom13 Sep 2022US 11,441,204 B2Hyundai Motor Company
- Cold rolled steel wire, method and reinforcement of flexible conduits9 Aug 2022US 11,408,049 B2Arcelormittal Wire France
- Salt-bath heat treatment apparatus18 Jun 2026US 2026/0168044 A1Parker Netsushori Kogyo K.K.
- Component for a rolling bearing and corresponding method for producing the component26 Sep 2024US 2024/0318690 A1
- Method for producing a rolling element bearing component, rolling element bearing component, and rolling element bearing22 Aug 2024US 2024/0279762 A1Schaeffler Technologies AG & Co. KG
- Die casting mold and method of making the same1 Feb 2024US 2024/0033816 A1GM Global Technology Operations LLC
- Method of heat treating a steel component8 Dec 2022US 2022/0389559 A1Aktiebolaget Skf
Most cited
By later US patents
- Machinable austempered cast iron article having improved machinability, fatigue performance, and resistance to environmental cracking and a method of making the same44US 7,070,666 B2Intermet Corporation · 2006
- Salt bath ferritic nitrocarburizing of brake rotors7US 8,287,667 B2GM Global Technology Operations LLC · 2012
- Salt bath quenching of construction parts treated with a nitriding bath6US 4,055,446 ADeutsche Gold- und Silber-Scheideanstalt vormals Roessler · 1977
- Salt bath quenching apparatus6US 4,487,398 AAtmosphere Furnace Company · 1984
- Method and device for manufacturing a semi-ferritic stainless steel strip from molten metal4US 5,201,363 AThyssen Edelstahlwerke AG · 1993