B21D 26/037
Forming branched tubes
B21D26/037 (Forming branched tubes) appears on 39 US grants and 23 published applications in this corpus.
Search patents in B21D- Granted patents
- 39
- Published applications
- 23
- Assignees
- 34
- Inventors
- 75
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 4 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 0 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 3 |
| 2014 | 1 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
| 2018 | 2 | 2 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 2 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device and method for making efficient Y-pipes20 May 2025US 12,303,962 B2ROLLS-ROYCE plc
- Hybrid fluid-flow fitting assembly17 May 2022US 11,333,273 B2
- Forming device and forming method8 Mar 2022US 11,267,034 B2Sumitomo Heavy Industries, Ltd.
- Method for producing a camshaft for an internal-combustion engine13 Nov 2018US 10,124,397 B2C. R. F. Societa Consortile per Azioni
- Device for a plumbing installation1 May 2018US 9,958,079 B2Triteck Limited
- Device and method for making efficient y-pipes28 Sep 2023US 2023/0302518 A1ROLLS-ROYCE plc
- Vehicle frame components20 Jul 2023US 2023/0226591 A1Zieta Prozessdesign SpóLka Z Ograniczona Odpowiedzialnoscia
- Forming device and forming method20 Dec 2018US 2018/0361458 A1Sumitomo Heavy Industries, Ltd.
- Hybrid Fluid-Flow Fitting Assembly20 Dec 2018US 2018/0363812 A1Voss Industries, Inc.
- Method for producing a camshaft for an internal-combustion engine3 Dec 2015US 2015/0343519 A1C.R.F. Societa Consortile per Azioni
Most cited
By later US patents
- Method for manufacturing a pipe with projections34US 4,840,053 AKokan Kako Co., Ltd. · 1989
- Method for manufacturing a pipe with projections31US 4,928,509 AKokan Kako Co., Ltd. · 1990
- Method for the manufacture of an ornamental head lug of the single unit type for use in bicycles29US 4,051,704 A1977
- Suspension arm, and process for producing the same29US 5,662,349 AHonda Giken Kogyo Kabushiki Kaisha · 1997
- Pressure forming and piercing a hollow body29US 5,799,524 ASchafer Hydroforming GmbH & Co. · 1998