B21D 41/04
Reducing
Official title: Reducing; Closing
B21D41/04 (Reducing) appears on 243 US grants and 196 published applications in this corpus.
Search patents in B21D- Granted patents
- 243
- Published applications
- 196
- Assignees
- 195
- Inventors
- 510
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 9 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 2 |
| 2002 | 5 | 3 |
| 2003 | 2 | 5 |
| 2004 | 8 | 10 |
| 2005 | 6 | 6 |
| 2006 | 6 | 5 |
| 2007 | 5 | 8 |
| 2008 | 4 | 9 |
| 2009 | 4 | 14 |
| 2010 | 5 | 5 |
| 2011 | 5 | 6 |
| 2012 | 13 | 12 |
| 2013 | 5 | 6 |
| 2014 | 6 | 3 |
| 2015 | 10 | 12 |
| 2016 | 8 | 7 |
| 2017 | 9 | 10 |
| 2018 | 6 | 8 |
| 2019 | 5 | 11 |
| 2020 | 10 | 7 |
| 2021 | 8 | 7 |
| 2022 | 8 | 11 |
| 2023 | 12 | 8 |
| 2024 | 5 | 6 |
| 2025 | 7 | 7 |
| 2026 | 1 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for production of a steel tubular product, in particular an airbag tubular product, and a steel tubular product produced using this method, in particular an airbag tubular product11 Aug 2026US 12,703,021 B2Benteler Steel/Tube GmbH
- Sealing apparatus, sealing and cutting device, and processing method16 Dec 2025US 12,496,761 B2Suzhou Yiben Life Technology Co., Ltd
- Method of forming suction instrument end and shaver instrument end2 Dec 2025US 12,484,924 B2Acclarent, Inc.
- System and method for crimping a prosthetic heart valve18 Nov 2025US 12,472,060 B2Edwards Lifesciences Corporation
- Nonlinear bulk modulus material8 Apr 2025US 12,269,131 B1The United States of America as represented by the Secretary of the Navy
- Universal connector and tube forming10 Sep 2026US 2026/0263858 A1Systems IP Pty Ltd
- Flare forming device and flare forming tool2 Jul 2026US 2026/0183821 A1Makita Corporation
- Clamping device and flare forming tool2 Jul 2026US 2026/0183822 A1Makita Corporation
- Flow path forming member, manufacturing method therefor, and manufacturing apparatus thereof28 May 2026US 2026/0145221 A1Aisin Corporation
- Method for forming a tube30 Apr 2026US 2026/0115792 A1MiRus LLC
Most cited
By later US patents
- System and method for crimping a prosthetic valve192US 8,652,145 B2Edwards Lifesciences Corporation · 2014
- Metal framing system65US 6,279,289 B12001
- Method of pointing and corrugating heat exchange tubing49US 5,311,661 APackless Metal Hose, Inc. · 1994
- Hand held stent crimping apparatus and method42US 6,925,847 B22005
- Gas manifold for a cooking range, with a pipe closure42US 7,861,706 B2Coprecitec, S. L. · 2011