B21C 37/127
Tube treating or manipulating combined with or specially adapted for use in
Official title: {Tube treating or manipulating combined with or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off}
B21C37/127 (Tube treating or manipulating combined with or specially adapted for use in) appears on 45 US grants and 26 published applications in this corpus.
Search patents in B21C- Granted patents
- 45
- Published applications
- 26
- Assignees
- 29
- Inventors
- 86
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 3 | 1 |
| 2015 | 1 | 3 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
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
- Tubular structure reinforcing13 May 2025US 12,297,951 B2Keystone Tower Systems, Inc.
- Methods for making layered tubular structures10 Oct 2023US 11,779,981 B2
- Tube stiffening14 Feb 2023US 11,577,292 B2Keystone Tower Systems, Inc.
- Method and device for separating wound tubes having welded parts17 Mar 2020US 10,589,331 B2Witzenmann GmbH
- 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
- Tubular structure reinforcing29 Jul 2021US 2021/0231237 A1Keystone Tower Systems, Inc.
- Methods for making layered tubular structures10 Sep 2020US 2020/0282440 A1
- Apparatus and method for automation of weld seams machining6 Aug 2020US 2020/0246898 A1Siemens Gamesa Renewable Energy Innovation & Technology S.L.
Most cited
By later US patents
- Flexible cylindrical metal tube43US 3,938,558 AManufacturers Systems, Inc. · 1976
- Apparatus for cutting hollow pipe31US 4,706,481 ASpiro America Inc. · 1987
- Apparatus for cutting hollow pipes17US 4,823,579 ASpiro America Inc. · 1989
- Apparatus for cutting spiral pipe14US 5,193,374 ASpiro America Inc. · 1993
- Pipe stretching apparatus13US 4,803,881 A1989