B21C 51/00
Measuring, gauging, indicating, counting, or marking devices specially adapted for use in
Official title: Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
B21C51/00 (Measuring, gauging, indicating, counting, or marking devices specially adapted for use in) appears on 391 US grants and 421 published applications in this corpus.
Search patents in B21C- Granted patents
- 391
- Published applications
- 421
- Assignees
- 294
- Inventors
- 1,160
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 3 |
| 2002 | 8 | 5 |
| 2003 | 4 | 6 |
| 2004 | 4 | 7 |
| 2005 | 8 | 8 |
| 2006 | 4 | 12 |
| 2007 | 6 | 6 |
| 2008 | 8 | 9 |
| 2009 | 6 | 5 |
| 2010 | 5 | 12 |
| 2011 | 0 | 9 |
| 2012 | 5 | 12 |
| 2013 | 11 | 16 |
| 2014 | 6 | 11 |
| 2015 | 15 | 24 |
| 2016 | 15 | 18 |
| 2017 | 12 | 25 |
| 2018 | 18 | 21 |
| 2019 | 27 | 25 |
| 2020 | 23 | 30 |
| 2021 | 15 | 34 |
| 2022 | 22 | 24 |
| 2023 | 27 | 29 |
| 2024 | 24 | 29 |
| 2025 | 22 | 22 |
| 2026 | 18 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Metal sheet forming limit determination method and forming limit determination system, and computer program15 Sep 2026US 12,734,634 B2Jfe Steel Corporation
- Method for straightening bar-shaped material and a straightening machine1 Sep 2026US 12,722,194 B2Rattunde AG
- Clearance measuring apparatus1 Sep 2026US 12,723,869 B2Samsung SDI.Co., Ltd.
- Apparatus for removing foreign matter on hot-rolled steel strip18 Aug 2026US 12,708,931 B2Posco
- Method for detecting abnormal vibration of rolling mill, apparatus for detecting abnormality of rolling mill, rolling method, and method for producing metal strip30 Jun 2026US 12,667,877 B2Jfe Steel Corporation
- Seam position detection method, manufacturing method of welded steel pipe, quality control method of welded steel pipe, seam position detection apparatus, and manufacturing equipment of welded steel pipe8 Oct 2026US 2026/0307128 A1Jfe Steel Corporation
- Systems and methods for monitoring obstructions in a conduit of a stamping environment17 Sep 2026US 2026/0273602 A1Ford Motor Company
- Method for measuring flatness deviations and curvature directions of components in a punching machine3 Sep 2026US 2026/0259030 A1TRUMPF Werkzeugmaschinen GmbH + Co. KG
- Plant for Forming a Polar Plate of a Fuel Cell, and Associated Forming Method9 Jul 2026US 2026/0192350 A1
- Determining the lateral offset of a metal strip on the basis of the contour of an end face of a coil2 Jul 2026US 2026/0183818 A1Primetals Technologies Germany GmbH
Most cited
By later US patents
- Printed springs and method of manufacture137US 5,743,428 AVulcan Spring & Mfg. Co. · 1998
- Television monitoring system for automatically aligning semiconductor devices during manufacture48US 4,233,625 ATeledyne, Inc. · 1980
- Apparatus and method for customized shaping of orthodontic archwires and other medical devices47US 9,610,628 B2OraMetrix, Inc. · 2017
- System and method for contactlessly gauging the thickness of a contoured object, such as a vehicle wheel39US 5,619,587 AAluminum Company of America · 1997
- Method for identifying or marking panels and strips36US 4,304,981 AEstel Hoesch Werke Aktiengesellschaft · 1981