B21C 1/28
Carriages
Official title: Carriages; Connections of grippers thereto; Grippers
B21C1/28 (Carriages) appears on 24 US grants and 15 published applications in this corpus.
Search patents in B21C- Granted patents
- 24
- Published applications
- 15
- Assignees
- 18
- Inventors
- 50
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Drawing bench for drawing machine7 Oct 2025US 12,434,286 B2Danieli & C. Officine Meccaniche SpA
- Method for changing the callibration range of a drawing chain, comprising chain links, of a caterpillar-track drawing machine, and caterpillar-track drawing machine17 Oct 2023US 11,786,950 B2SMS group GmbH
- Drawing carriage for a drawing machine, and drawing machine15 Nov 2022US 11,498,102 B2EJP Maschinen GmbH
- Caterpillar-traction drawing machine and drawing method1 Mar 2022US 11,260,440 B2SMS group GmbH Sitz Duesseldorf
- Method of producing bicycle ratchet bushing16 Nov 2010US 7,833,364 B2Nexxt Alloy Industrial Co., Ltd
- Drawing bench for drawing machine31 Aug 2023US 2023/0271239 A1Danieli & C. Officine Meccaniche SpA
- Method for changing the callibration range of a drawing chain, comprising chain links, of a caterpillar-track drawing machine, and caterpillar-track drawing machine24 Mar 2022US 2022/0088659 A1SMS group GmbH
- Drawing Carriage for a Drawing Machine, and Drawing Machine25 Jul 2019US 2019/0224733 A1EJP Maschinen GmbH
- Caterpillar-traction drawing machine and drawing method29 Nov 2018US 2018/0339328 A1SMS group GmbH Sitz Duesseldorf
- Apparatus, manufacture, composition and method for producing long length tubing and uses thereof23 Feb 2017US 2017/0051384 A1
Most cited
By later US patents
- Gripping arrangement13US 4,048,833 AKieserling & Albrecht · 1977
- Method and means for producing disks of tightly packed on-end aligned fibers13US 5,179,778 A1993
- Straight line drawing device9US 5,709,120 A1998
- Method and apparatus for producing tubes and hollow shafts8US 6,779,375 B12004
- Draw bench for producing cylindrical tubular items by drawing6US 4,079,616 A1978