B21C 51/005
Marking devices
Official title: {Marking devices}
B21C51/005 (Marking devices) appears on 108 US grants and 95 published applications in this corpus.
Search patents in B21C- Granted patents
- 108
- Published applications
- 95
- Assignees
- 85
- Inventors
- 264
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 3 |
| 2002 | 6 | 2 |
| 2003 | 0 | 4 |
| 2004 | 2 | 1 |
| 2005 | 3 | 5 |
| 2006 | 1 | 5 |
| 2007 | 2 | 3 |
| 2008 | 4 | 4 |
| 2009 | 3 | 4 |
| 2010 | 2 | 1 |
| 2011 | 0 | 4 |
| 2012 | 0 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 5 |
| 2015 | 1 | 3 |
| 2016 | 3 | 8 |
| 2017 | 2 | 7 |
| 2018 | 7 | 3 |
| 2019 | 7 | 8 |
| 2020 | 5 | 4 |
| 2021 | 5 | 5 |
| 2022 | 2 | 7 |
| 2023 | 5 | 3 |
| 2024 | 5 | 2 |
| 2025 | 3 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Can12 Aug 2025US 12,384,195 B2Toyo Seikan Co., Ltd.
- Method for preventing shape changes in metal coils, in particualr for preventing a collapsing of newly wound hot coils3 Jun 2025US 12,318,834 B2Primetals Technologies Austria GmbH
- Method for marking a steel strip, and steel strip with a plurality of markers13 May 2025US 12,296,370 B2ThyssenKrupp Steel Europe AG
- Rolling load prediction method, rolling load prediction device, and rolling control method19 Nov 2024US 12,145,184 B2Jfe Steel Corporation
- Mechanical applicator for use in stamping die process to apply thermo-chromatic ink to aluminum heat treated panels6 Aug 2024US 12,053,812 B2Ford Motor Company
- Plant for Forming a Polar Plate of a Fuel Cell, and Associated Forming Method9 Jul 2026US 2026/0192350 A1
- Method for marking a steel strip, and steel strip with a plurality of markers25 Jul 2024US 2024/0246131 A1ThyssenKrupp Steel Europe AG
- Electromagnetic inspection device capable of calibration25 Jan 2024US 2024/0027399 A1Posco
- Can20 Apr 2023US 2023/0122700 A1Toyo Seikan Co., Ltd.
- Apparatus for Marking a Component by Applying Readable Identifying Information23 Feb 2023US 2023/0059129 A1Bayerische Motoren Werke Aktiengesellschaft
Most cited
By later US patents
- Printed springs and method of manufacture137US 5,743,428 AVulcan Spring & Mfg. Co. · 1998
- Method for identifying or marking panels and strips36US 4,304,981 AEstel Hoesch Werke Aktiengesellschaft · 1981
- Marking powder for and method of marking a metallic article34US 5,352,278 AHoogovens Groep B.V. · 1994
- Painting a band on a tube32US 4,482,584 AMannesmann Aktiengesellschaft · 1984
- Method of applying marking to metal sheet for scrap sorting purposes32US 6,412,642 B2Alcan International Limited · 2002