B21C 23/10
Making finned tubes
B21C23/10 (Making finned tubes) appears on 52 US grants and 43 published applications in this corpus.
Search patents in B21C- Granted patents
- 52
- Published applications
- 43
- Assignees
- 43
- Inventors
- 133
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 2 | 0 |
| 2013 | 0 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 3 |
| 2016 | 0 | 1 |
| 2017 | 0 | 3 |
| 2018 | 2 | 2 |
| 2019 | 2 | 2 |
| 2020 | 3 | 1 |
| 2021 | 1 | 3 |
| 2022 | 1 | 3 |
| 2023 | 3 | 2 |
| 2024 | 0 | 0 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Long-life aluminum alloy with a high corrosion resistance and helically grooved tube produced from the alloy24 Mar 2026US 12,584,197 B2Hydro Precision Tubing (Suzhou) Co., Ltd
- Inner spiral grooved tube with excellent heat transfer property and heat exchanger10 Jun 2025US 12,326,304 B2MA Aluminum Corporation
- Extruded heat pipe20 May 2025US 12,303,957 B2Intel Corporation
- Air cooled condenser and related methods4 Mar 2025US 12,240,068 B2Holtec International
- Electric power steering assembly3 Oct 2023US 11,773,911 B2Steering Solutions IP Holding Corporation
- Extruded heat pipe15 Jan 2026US 2026/0014608 A1Intel Corporation
- Treads for climbing products and methods of manufacture2 Oct 2025US 2025/0305360 A1Werner Co.
- Method and apparatus for manufacturing aluminum alloy extruded part12 Oct 2023US 2023/0321703 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Air cooled condenser and related methods16 Mar 2023US 2023/0080268 A1Holtec International
- Inner spiral grooved tube with excellent heat transfer property and heat exchanger29 Dec 2022US 2022/0412669 A1MA Aluminum Corporation
Most cited
By later US patents
- Extrusion tool for producing hard-metal or ceramic drill blank46US 4,779,440 AFried. Krupp Gesellschaft mit beschraenkter Haftung · 1988
- Split fin heat sink40US 6,714,415 B1Intel Corporation · 2004
- Node, apparatus, system and method regarding a frame support for solar mirrors37US 8,627,632 B2Werner Extrusion Solutions LLC · 2014
- Method and apparatus for producing a high fin density extruded heat dissipator35US 4,187,711 AWakefield Engineering, Inc. · 1980
- Ice machine with improved evaporator/ice forming assembly28US 5,193,357 AThe Manitowoc Company, Inc. · 1993