B21D 43/006
Feeding elongated articles, such as tubes, bars, or profiles
Official title: {Feeding elongated articles, such as tubes, bars, or profiles}
B21D43/006 (Feeding elongated articles, such as tubes, bars, or profiles) appears on 174 US grants and 129 published applications in this corpus.
Search patents in B21D- Granted patents
- 174
- Published applications
- 129
- Assignees
- 135
- Inventors
- 290
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 2 |
| 2006 | 3 | 1 |
| 2007 | 1 | 3 |
| 2008 | 2 | 3 |
| 2009 | 1 | 3 |
| 2010 | 2 | 2 |
| 2011 | 1 | 2 |
| 2012 | 3 | 3 |
| 2013 | 0 | 5 |
| 2014 | 1 | 4 |
| 2015 | 3 | 10 |
| 2016 | 5 | 7 |
| 2017 | 7 | 4 |
| 2018 | 8 | 9 |
| 2019 | 9 | 14 |
| 2020 | 10 | 10 |
| 2021 | 7 | 9 |
| 2022 | 10 | 8 |
| 2023 | 6 | 10 |
| 2024 | 11 | 12 |
| 2025 | 10 | 4 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System for accurately punching holes in a profile and its method18 Aug 2026US 12,708,936 B2Soenen Technology NV
- Forming machine with a plurality of workstations21 Jul 2026US 12,686,088 B2WAFIOS Aktiengesellschaft
- Systems, apparatus, and methods of adjustably building rebar structure23 Jun 2026US 12,661,703 B2Builders FirstSource, Inc.
- Tube bending system17 Mar 2026US 12,576,439 B2Sanoh Industrial Co., Ltd.
- Method and apparatus for processing bars2 Dec 2025US 12,485,467 B2Schell S.P.A.
- Systems, apparatus, and methods of adjustably building rebar structure24 Sep 2026US 2026/0284732 A1Builders FirstSource, Inc.
- Apparatus and method for bending bars13 Feb 2025US 2025/0050400 A1Schnell S.P.A.
- Conveying device and method for conveying metal strip coils16 Jan 2025US 2025/0018457 A1Primetals Technologies Austria GmbH
- Tube bending system9 Jan 2025US 2025/0010349 A1Sanoh Industrial Co., Ltd.
- Feeding system9 Jan 2025US 2025/0010358 A1WAFIOS Aktiengesellschaft
Most cited
By later US patents
- Apparatus and method for forming a tubular frame member35US 5,239,852 AArmco Steel Corporation · 1993
- Apparatus for loading pipes onto processing machines34US 5,993,140 AFabrica Macchine Curvatubi Crippa Agostino · 1999
- Tube feeding device28US 4,388,039 A1983
- Apparatus for automatically bending metallic tubes28US 4,662,204 AUsui Kokusai Sangyo Kabushiki Kaisha · 1987
- Apparatus for the production of spacer frames21US 4,885,926 A1989