B21C 37/126
Supply, or operations combined with supply, of strip material
Official title: {Supply, or operations combined with supply, of strip material}
B21C37/126 (Supply, or operations combined with supply, of strip material) appears on 68 US grants and 54 published applications in this corpus.
Search patents in B21C- Granted patents
- 68
- Published applications
- 54
- Assignees
- 41
- Inventors
- 116
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 3 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 4 |
| 2012 | 0 | 4 |
| 2013 | 2 | 2 |
| 2014 | 1 | 3 |
| 2015 | 3 | 5 |
| 2016 | 4 | 5 |
| 2017 | 2 | 0 |
| 2018 | 3 | 4 |
| 2019 | 4 | 4 |
| 2020 | 2 | 2 |
| 2021 | 3 | 4 |
| 2022 | 1 | 2 |
| 2023 | 4 | 2 |
| 2024 | 1 | 1 |
| 2025 | 4 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- 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.
- Control system and method for tapered structure construction25 Mar 2025US 12,257,616 B2Keystone Tower Systems, Inc.
- Tapered structure construction18 Feb 2025US 12,226,813 B2Keystone Tower Systems, Inc.
- Method for producing a carcass, a method of producing a flexible pipe and a flexible pipe18 Jun 2024US 12,011,750 B2National Oilwell Varco Denmark I/S
- Mobile factory of steel sheet coil helical pipe6 Jun 2024US 2024/0181514 A1Memps-Tubos Helicoidais IndúStria E ServiçOs Ltda
- A method for producing a carcass, a method of producing a flexible pipe and a flexible pipe31 Aug 2023US 2023/0271241 A1National Oilwell Varco Denmark I/S
- Tapered structure construction10 Aug 2023US 2023/0249236 A1Keystone Tower Systems, Inc.
- Control system and method for tapered structure construction22 Sep 2022US 2022/0297175 A1Keystone Tower Systems, Inc.
- A Tool, a Method and an Apparatus for Mounting Rods Around a Central Core24 Feb 2022US 2022/0055091 A1Air Toolbox AS
Most cited
By later US patents
- Method and apparatus for winding a helical pipe from its inside51US 6,637,092 B1Rib Loc Australia Pty Ltd. · 2003
- Steel pipe with integrally formed liner and method of fabricating the same25US 6,009,912 A2000
- Apparatus for forming tapered spiral tubes22US 6,339,945 B22002
- Method and apparatus for the manufacture of reinforced smooth flow pipe17US 4,161,811 A1979
- Tapered tower manufacturing method and apparatus16US 6,732,906 B22004