B21C 1/27
Carriages
Official title: Carriages; Drives
B21C1/27 (Carriages) appears on 70 US grants and 52 published applications in this corpus.
Search patents in B21C- Granted patents
- 70
- Published applications
- 52
- Assignees
- 43
- Inventors
- 128
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 5 |
| 2003 | 4 | 1 |
| 2004 | 4 | 4 |
| 2005 | 1 | 5 |
| 2006 | 3 | 3 |
| 2007 | 2 | 3 |
| 2008 | 0 | 4 |
| 2009 | 0 | 2 |
| 2010 | 3 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 5 |
| 2017 | 4 | 3 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 2 | 2 |
| 2023 | 3 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Drawing bench for drawing machine7 Oct 2025US 12,434,286 B2Danieli & C. Officine Meccaniche SpA
- Puller apparatus with movable mounting arm30 Apr 2024US 11,969,932 B2Omachron Intellectual Property Inc.
- 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
- Plant for extruding metals comprising a system of pullers with single direction guides27 Jun 2023US 11,684,960 B2Danieli & C. Officine Meccaniche SpA
- Bridle device, method for controlling snaking of steel strip, and method for producing steel strip13 Jun 2023US 11,673,174 B2Jfe Steel Corporation
- Method and device for producing tubes, wires, profiles and similar elongate material by means of a drawing device26 Jun 2025US 2025/0205765 A1Qass GmbH
- Drawbench4 Jul 2024US 2024/0216972 A1
- Caterpillar track drawing method and caterpillar track drawing machine21 Sep 2023US 2023/0294151 A1SMS group GmbH
- 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
Most cited
By later US patents
- Method for manufacturing small diameter medical devices47US 6,647,755 B2OmniSonics Medical Technologies, Inc. · 2003
- Tractive apparatus14US 3,945,547 AWean United, Inc. · 1976
- Gripping arrangement13US 4,048,833 AKieserling & Albrecht · 1977
- Method and apparatus for cold finishing of metals13US 4,224,818 ALaSalle Steel Company · 1980
- Method and means for producing disks of tightly packed on-end aligned fibers13US 5,179,778 A1993