B21C 37/122
With welded or soldered seams
Official title: {with welded or soldered seams}
B21C37/122 (With welded or soldered seams) appears on 56 US grants and 60 published applications in this corpus.
Search patents in B21C- Granted patents
- 56
- Published applications
- 60
- Assignees
- 43
- Inventors
- 109
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 6 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 2 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 3 |
| 2015 | 3 | 4 |
| 2016 | 0 | 2 |
| 2017 | 0 | 1 |
| 2018 | 3 | 4 |
| 2019 | 3 | 7 |
| 2020 | 2 | 2 |
| 2021 | 3 | 3 |
| 2022 | 4 | 3 |
| 2023 | 6 | 3 |
| 2024 | 1 | 3 |
| 2025 | 4 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mobile factory of steel sheet coil helical pipe29 Sep 2026US 12,746,588 B2MEMPS-TUBOS HELI{grave over (C)}OIDAIS INDÚSTRIA E SERVIÇOS LTDA
- Spiral forming19 May 2026US 12,629,738 B2Keystone Tower Systems, Inc.
- Large container and method for producing a large container24 Jun 2025US 12,338,060 B2XL Beteiligungen GmbH & Co. KG
- Air conduit spirally wound and provided with a plurality of holes, related manufacturing machine and method and related strip3 Jun 2025US 12,318,829 B2
- Tubular structure reinforcing13 May 2025US 12,297,951 B2Keystone Tower Systems, Inc.
- Bending machine27 Aug 2026US 2026/0249340 A1Odfjell Oceanwind AS
- Equipment and processes for sheet metal consolidation20 Aug 2026US 2026/0241437 A1Massachusetts Institute of Technology
- Method of manufacture of a reinforced pipe15 Jan 2026US 2026/0014611 A1Odfjell Oceanwind AS
- Zero scrap manufacturing methods for metal containers, and associated tooling9 Jan 2025US 2025/0010354 A1Stolle Machinery Company, LLC
- Mobile factory of steel sheet coil helical pipe6 Jun 2024US 2024/0181514 A1Memps-Tubos Helicoidais IndúStria E ServiçOs Ltda
Most cited
By later US patents
- Steel pipe with integrally formed liner and method of fabricating the same25US 6,009,912 A2000
- Tapered tower manufacturing method and apparatus16US 6,732,906 B22004
- Means for fabricating tapered tubing15US 3,997,097 A1976
- Apparatus for constructing cylindrical storage tanks15US 4,494,291 A1985
- Method and apparatus for forming spiral tubing14US 4,501,948 AGA Technologies Inc. · 1985