B21D 15/02
Longitudinally
Official title: longitudinally
B21D15/02 (Longitudinally) appears on 79 US grants and 62 published applications in this corpus.
Search patents in B21D- Granted patents
- 79
- Published applications
- 62
- Assignees
- 77
- Inventors
- 183
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 4 |
| 2007 | 0 | 4 |
| 2008 | 1 | 3 |
| 2009 | 1 | 4 |
| 2010 | 2 | 3 |
| 2011 | 2 | 4 |
| 2012 | 2 | 3 |
| 2013 | 2 | 2 |
| 2014 | 3 | 0 |
| 2015 | 3 | 3 |
| 2016 | 1 | 1 |
| 2017 | 4 | 7 |
| 2018 | 1 | 3 |
| 2019 | 3 | 4 |
| 2020 | 4 | 4 |
| 2021 | 5 | 3 |
| 2022 | 5 | 4 |
| 2023 | 4 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flanged member4 Feb 2025US 12,214,825 B2Sumitomo Heavy Industries, Ltd.
- Bellow internal-external pressure crimping method and crimping- compressing device19 Dec 2023US 11,845,120 B2
- Tubular joint roll forming machine1 Aug 2023US 11,712,733 B2Knight Mfg., LLC
- Hot and cold composite formed square and rectangular steel tube with thickened corners and production method4 Apr 2023US 11,618,066 B2Sino Institute of Precise Tubes Industry (Guangzhou) Co., Ltd.
- Square tubing swager24 Jan 2023US 11,559,834 B1
- Universal connector and tube forming10 Sep 2026US 2026/0263858 A1Systems IP Pty Ltd
- Method of manufacturing a measuring tube of a fluid measuring means22 May 2025US 2025/0162236 A1Amvalor
- Method for the multi-axis shaping of a hollow workpiece and supporting core for use in the method20 Mar 2025US 2025/0091114 A1Uniflex-Hydraulik GmbH
- Method for manufacturing double-pipe heat exchanger3 Nov 2022US 2022/0347737 A1Nichirin Co., Ltd.
- Flanged member1 Sep 2022US 2022/0274651 A1Sumitomo Heavy Industries, Ltd.
Most cited
By later US patents
- Method for ironing spline teeth in pressed stepped sheetmetal and sheetmetal clutch drum formed by same33US 6,233,999 B1Unipres Corporation · 2001
- Press apparatus for forming gear teeth27US 5,709,118 AExedy Corporation · 1998
- Method of forming a lined tubular member25US 7,926,160 B2Packless Industries · 2011
- Apparatus and method for splining power transmission members20US 4,028,922 AAnderson-Cook, Inc. · 1977
- Hydroformed collapsible driveshaft and steering shaft and methods of making the same19US 6,543,266 B1Magna International Inc. · 2003