B21D 19/046
For flanging edges of tubular products
Official title: {for flanging edges of tubular products}
B21D19/046 (For flanging edges of tubular products) appears on 77 US grants and 57 published applications in this corpus.
Search patents in B21D- Granted patents
- 77
- Published applications
- 57
- Assignees
- 54
- Inventors
- 130
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 4 |
| 2003 | 3 | 1 |
| 2004 | 2 | 3 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 2 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 3 |
| 2016 | 1 | 4 |
| 2017 | 4 | 3 |
| 2018 | 0 | 0 |
| 2019 | 3 | 4 |
| 2020 | 3 | 3 |
| 2021 | 1 | 1 |
| 2022 | 4 | 5 |
| 2023 | 2 | 3 |
| 2024 | 4 | 6 |
| 2025 | 6 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electric pipe expander31 Mar 2026US 12,589,425 B2NAVAC Inc.
- Baffle plate for a pipe expander12 Aug 2025US D1,088,072 S1NAVAC Inc. · Design
- Processing device for flange17 Jun 2025US 12,330,202 B1Shanxi Shuanghuan Heavy Industry Group Co. Ltd
- Seam forming apparatus for elbow duct4 Feb 2025US 12,214,396 B2
- Roll-forming tool for creating a noncircular feature, method of creating a noncircular feature, and method of assembling a pump having a noncircular joint4 Feb 2025US 12,214,398 B2Hanon Systems EFP Canada Ltd.
- Method for producing an aerosol dome9 Jul 2026US 2026/0193017 A1Adval Tech Holding AG
- Method of assembling a pump having a noncircular joint10 Apr 2025US 2025/0114836 A1Hanon Systems EFP Canada Ltd.
- Electric pipe expander13 Feb 2025US 2025/0050406 A1NAVAC Inc.
- Necking-flanging roller, necking-flanging mechanism, and battery manufacturing device19 Dec 2024US 2024/0421340 A1Contemporary Amperex Technology Co., Limited
- Device for flanging a tube end28 Nov 2024US 2024/0390968 A1Harro Höfliger Verpackungsmaschinen GmbH
Most cited
By later US patents
- Flange reforming apparatus46US 6,055,836 ACrown Cork & Seal Technologies Corporation · 2000
- Spin forming a tubular workpiece to form a radial flange on a tubular flange and a bead or thick rim on the radial flange34US 6,644,083 B2MacDonald-Miller Inc. · 2003
- Tool for flaring plastic pipe29US 4,108,589 A1978
- Flange-forming system for tube and related methods24US 7,997,112 B2Langdon Incorporated · 2011
- Apparatus for flanging containers22US 5,235,839 AReynolds Metals Company · 1993