B21K 27/04
Allowing successive working steps
Official title: allowing successive working steps
B21K27/04 (Allowing successive working steps) appears on 129 US grants and 59 published applications in this corpus.
Search patents in B21K- Granted patents
- 129
- Published applications
- 59
- Assignees
- 79
- Inventors
- 206
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 4 |
| 2005 | 0 | 2 |
| 2006 | 5 | 0 |
| 2007 | 2 | 3 |
| 2008 | 3 | 6 |
| 2009 | 0 | 3 |
| 2010 | 1 | 4 |
| 2011 | 4 | 2 |
| 2012 | 4 | 2 |
| 2013 | 3 | 3 |
| 2014 | 2 | 2 |
| 2015 | 2 | 2 |
| 2016 | 3 | 4 |
| 2017 | 2 | 4 |
| 2018 | 3 | 3 |
| 2019 | 1 | 4 |
| 2020 | 6 | 4 |
| 2021 | 0 | 1 |
| 2022 | 5 | 1 |
| 2023 | 0 | 3 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and plant for the fast manufacturing of fasteners8 Apr 2025US 12,269,086 B2Poggipolini S.P.A.
- Stretch rolling device and stretch rolling method11 Mar 2025US 12,246,370 B2SMS group GmbH
- Wheel automatic closed die forging production line and aluminum alloy wheel4 Oct 2022US 11,458,528 B2CITIC Dicastal Co., Ltd.
- Die apparatus for forging steering racks20 Sep 2022US 11,446,731 B2Bishop Steering Technology Pty Ltd
- Transfer mechanism and transfer device17 May 2022US 11,331,712 B2Aida Engineering, Ltd.
- Forming machine with a plurality of workstations21 Dec 2023US 2023/0405744 A1WAFIOS Aktiengesellschaft
- Method and plant for the fast manufacturing of fasteners19 Oct 2023US 2023/0330739 A1Poggipolini S.P.A.
- Manufacturing method and manufacturing system1 Jun 2023US 2023/0166322 A1NHK Spring Co., Ltd.
- Stretch rolling device and stretch rolling method17 Nov 2022US 2022/0362827 A1SMS group GmbH
- Transfer mechanism and transfer device1 Jul 2021US 2021/0197246 A1Aida Engineering, Ltd.
Most cited
By later US patents
- Apparatus and method for cold forming a ring on a lead alloy battery terminal including an anti-torque structure38US 5,791,183 ATulip Corporation · 1998
- Apparatus and method for cold forming a ring on a lead alloy battery terminal30US 5,632,173 ATulip Corporation · 1997
- Progressive die apparatus and method for making a lead alloy battery terminal30US 5,655,400 ATulip Corporation · 1997
- Transfer device16US 4,513,602 A1985
- Parts transfer system16US 6,435,336 B1Schuler Pressen GmbH · 2002