B21K 27/00
Handling devices
Official title: Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
B21K27/00 (Handling devices) appears on 205 US grants and 99 published applications in this corpus.
Search patents in B21K- Granted patents
- 205
- Published applications
- 99
- Assignees
- 111
- Inventors
- 331
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 13 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 2 |
| 2003 | 1 | 2 |
| 2004 | 5 | 5 |
| 2005 | 0 | 3 |
| 2006 | 7 | 4 |
| 2007 | 4 | 5 |
| 2008 | 6 | 7 |
| 2009 | 1 | 4 |
| 2010 | 1 | 5 |
| 2011 | 4 | 4 |
| 2012 | 4 | 5 |
| 2013 | 6 | 3 |
| 2014 | 3 | 9 |
| 2015 | 4 | 3 |
| 2016 | 4 | 6 |
| 2017 | 4 | 8 |
| 2018 | 6 | 4 |
| 2019 | 2 | 5 |
| 2020 | 8 | 6 |
| 2021 | 1 | 1 |
| 2022 | 6 | 1 |
| 2023 | 1 | 5 |
| 2024 | 0 | 0 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Forging and pressing production system and management method therefor9 Dec 2025US 12,491,557 B2
- 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
- Forging and pressing production system and management method therefor7 Feb 2023US 11,571,734 B2Ningbo Texoon Brassworks Co., Ltd
- Wheel automatic closed die forging production line and aluminum alloy wheel4 Oct 2022US 11,458,528 B2CITIC Dicastal Co., Ltd.
- Forming Machine Having a Cutting Device14 Aug 2025US 2025/0256318 A1Hatebur Umformmaschinen AG
- 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.
- Forming apparatus21 Sep 2023US 2023/0294163 A1
- Manufacturing method and manufacturing system1 Jun 2023US 2023/0166322 A1NHK Spring Co., Ltd.
Most cited
By later US patents
- Spade-type boring bit and an associated method and apparatus for forming metallic parts54US 5,700,113 ABlack & Decker Inc. · 1997
- Spade-type boring bit having chamfered corner portions39US 5,697,738 ABlack & Decker Inc. · 1997
- 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