B21F 27/122
By attaching a continuous stirrup to longitudinal wires
Official title: {by attaching a continuous stirrup to longitudinal wires}
B21F27/122 (By attaching a continuous stirrup to longitudinal wires) appears on 36 US grants and 23 published applications in this corpus.
Search patents in B21F- Granted patents
- 36
- Published applications
- 23
- Assignees
- 30
- Inventors
- 63
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 2 | 3 |
| 2019 | 1 | 3 |
| 2020 | 3 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 3 |
| 2024 | 2 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for loading a cage welding machine and cage welding machine10 Feb 2026US 12,544,827 B2MBK Maschinenbau GmbH
- Apparatus for loading a cage welding machine and cage welding machine19 Mar 2024US 11,931,794 B2MBK Maschinenbau GmbH
- Device for producing a metal mesh reinforcement13 Feb 2024US 11,897,023 B2MBK Maschinenbau GmbH
- Apparatus for producing a metal grid reinforcement and machine14 Nov 2023US 11,813,662 B2MBK Maschinenbau GmbH
- Device for producing a reinforcement27 Jun 2023US 11,684,966 B2MBK Maschinenbau GmbH
- Apparatus for loading a cage welding machine and cage welding machine13 Jun 2024US 2024/0189885 A1MBK Maschinenbau GmbH
- Reinforcement Cage Rolling Machine28 Sep 2023US 2023/0302526 A1China Mcc5 Group Corp. Ltd
- Apparatus for producing a metal grid reinforcement and machine23 Mar 2023US 2023/0086409 A1MBK Maschinenbau GmbH
- Device for producing a metal mesh reinforcement23 Mar 2023US 2023/0090470 A1MBK Maschinenbau GmbH
- Apparatus for loading a cage welding machine and cage welding machine20 Jan 2022US 2022/0016692 A1MBK Maschinenbau GmbH
Most cited
By later US patents
- Method of manufacturing a reinforcing bar cage and apparatus for manufacturing the same21US 5,665,254 ADaiichi Unyusagyo Co. Ltd. · 1997
- Method and apparatus for making well screen16US 4,314,129 AHouston Well Screen Company · 1982
- Reinforcement basket for reinforced-concrete column12US 4,467,583 ALandshuter Baueisenbiegerei GmbH · 1984
- Apparatus for making reinforcing cages9US 6,223,785 B12001
- Machine and method for producing reinforcing cages for concrete pipes8US 5,271,436 AMBK Maschinenbau GmbH · 1993