C22F 1/008
Changing the physical structure of non-ferrous metals or alloys by heat treatment
Official title: {Using a protective surface layer}
C22F1/008 (Changing the physical structure of non-ferrous metals or alloys by heat treatment) appears on 21 US grants and 19 published applications in this corpus.
Search patents in C22F- Granted patents
- 21
- Published applications
- 19
- Assignees
- 20
- Inventors
- 59
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 3 |
| 2017 | 2 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 3 |
| 2021 | 1 | 1 |
| 2022 | 2 | 4 |
| 2023 | 2 | 2 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for protecting a metal during annealing processes and metal product obtained3 Feb 2026US 12,540,380 B2Aludium TransformacióN De Productos, S.L.U.
- Method of manufacturing zirconium alloy tubular products2 Apr 2024US 11,946,130 B2Joint-Stock Company “Tvel”
- Functionally graded variable entropy alloys with resistance to hydrogen induced cracking2 Jan 2024US 11,859,273 B2Halliburton Energy Services.Inc.
- Insert for hot isostatic pressing treatment15 Aug 2023US 11,725,302 B2Rolls-Royce Deutschland Ltd & Co KG
- Functionally graded variable entropy alloys with resistance to hydrogen induced cracking10 Jan 2023US 11,549,165 B2Halliburton Energy Services.Inc.
- Method for protecting a metal during annealing processes and metal product obtained1 Jun 2023US 2023/0167529 A1Acr II Aluminium Group Cooperatief U.A.
- Functionally Graded Variable Entropy Alloys With Resistance To Hydrogen Induced Cracking25 May 2023US 2023/0160049 A1Halliburton Energy Services.Inc.
- Functionally graded variable entropy alloys with resistance to hydrogen induced cracking15 Dec 2022US 2022/0396859 A1Halliburton Energy Services.Inc.
- Manufacturing Method for Zirconium Alloy Tubular Products6 Oct 2022US 2022/0314289 A1
- Method of Manufacturing Zirconium Alloy Tubular Products6 Oct 2022US 2022/0316040 A1Joint-Stock Company “Tvel”
Most cited
By later US patents
- Method of lowering permeability of difficult-to-work Co alloy11US 5,468,305 AKabushiki Kaisha Kobe Seiko Sho · 1995
- Pack assembly for hot rolling9US 4,966,816 ATitanium Metals Corporation of America (TIMET) · 1990
- Medical instrument with modified memory and flexibility properties and method6US 8,911,573 B2D&S Dental, LLC · 2014
- Method of treating aluminum-lithium alloys5US 4,786,337 ARockwell International Corporation · 1988
- Precious metal vaporization reduction4US 4,532,184 AOwens-Corning Fiberglas Corporation · 1985