B21D 26/033
Deforming tubular bodies
Official title: Deforming tubular bodies (corrugating tubes by applying fluid pressure B21D15/03, B21D15/10)
B21D26/033 (Deforming tubular bodies) appears on 674 US grants and 564 published applications in this corpus.
Search patents in B21D- Granted patents
- 674
- Published applications
- 564
- Assignees
- 365
- Inventors
- 1,234
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 8 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 16 | 0 |
| 1999 | 17 | 0 |
| 2000 | 37 | 0 |
| 2001 | 31 | 6 |
| 2002 | 25 | 18 |
| 2003 | 31 | 33 |
| 2004 | 24 | 29 |
| 2005 | 16 | 24 |
| 2006 | 27 | 29 |
| 2007 | 20 | 30 |
| 2008 | 17 | 21 |
| 2009 | 12 | 10 |
| 2010 | 13 | 19 |
| 2011 | 6 | 19 |
| 2012 | 12 | 12 |
| 2013 | 16 | 16 |
| 2014 | 11 | 21 |
| 2015 | 12 | 32 |
| 2016 | 23 | 23 |
| 2017 | 23 | 26 |
| 2018 | 24 | 27 |
| 2019 | 27 | 26 |
| 2020 | 20 | 21 |
| 2021 | 18 | 24 |
| 2022 | 28 | 29 |
| 2023 | 22 | 21 |
| 2024 | 21 | 18 |
| 2025 | 18 | 18 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B21D 26/047Mould construction153
- B21D 26/045Closing or sealing means133
- B21D 26/041Means for controlling fluid parameters114
- B21D 26/039Means for controlling the clamping or opening of the moulds70
- B21D 26/035Including an additional treatment performed by fluid pressure66
- B21D 26/043Means for controlling the axial pusher58
- B21D 26/049Deforming bodies having a closed end57
- B21D 26/051Deforming double-walled bodies46
All 9 subgroupsShow fewer
Recent patents
- Forming device and forming method4 Aug 2026US 12,697,652 B2Sumitomo Heavy Industries, Ltd.
- Molding device14 Jul 2026US 12,678,850 B2Sumitomo Heavy Industries, Ltd.
- Conformable cold plate for fluid cooling applications7 Apr 2026US 12,598,725 B2Intel Corporation
- Device, system, and method for applying a pharmaceutical fluid17 Feb 2026US 12,551,617 B2Heraeus Medical GmbH
- Joining method, and device for such13 Jan 2026US 12,521,782 B2Mahle International GmbH
- Method and apparatus for calibrating a metal profile blank24 Sep 2026US 2026/0284731 A1Norsk Hydro ASA
- Forming system20 Aug 2026US 2026/0241435 A1Sumitomo Heavy Industries, Ltd.
- Longitudinal chamber profile preform and method23 Jul 2026US 2026/0208253 A1Zieta Prozessdesign SpóLka Z Ograniczona Odpowiedzialnoscia
- Forming device, forming system, and metal pipe28 May 2026US 2026/0145217 A1Sumitomo Heavy Industries, Ltd.
- Method for Manufacturing a One-Piece Vehicle Wheel28 May 2026US 2026/0145223 A1KRONPRINZ Solingen GmbH
Most cited
By later US patents
- Method of securing a sleeve within a tube279US 4,069,573 ACombustion Engineering, Inc. · 1978
- Method for hydroforming and hydroformed product124US 8,297,096 B2Nippon Steel Corporation · 2012
- Hydroforming of compound tubes93US 5,333,775 AGeneral Motors Corporation · 1994
- Joining and forming of tubular members81US 6,701,598 B2General Motors Corporation · 2004
- Method of forming a tubular member with flange72US 5,070,717 AGeneral Motors Corporation · 1991