F28F 13/14
Arrangements for modifying heat-transfer: by endowing the walls of conduits with zones
Official title: by endowing the walls of conduits with zones of different degrees of conduction of heat
F28F13/14 (Arrangements for modifying heat-transfer: by endowing the walls of conduits with zones) appears on 123 US grants and 145 published applications in this corpus.
Search patents in F28F- Granted patents
- 123
- Published applications
- 145
- Assignees
- 111
- Inventors
- 362
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 5 |
| 2004 | 4 | 3 |
| 2005 | 1 | 3 |
| 2006 | 4 | 4 |
| 2007 | 2 | 2 |
| 2008 | 0 | 5 |
| 2009 | 4 | 8 |
| 2010 | 1 | 6 |
| 2011 | 6 | 5 |
| 2012 | 1 | 4 |
| 2013 | 3 | 8 |
| 2014 | 0 | 7 |
| 2015 | 6 | 6 |
| 2016 | 2 | 10 |
| 2017 | 4 | 8 |
| 2018 | 6 | 12 |
| 2019 | 6 | 6 |
| 2020 | 16 | 13 |
| 2021 | 8 | 11 |
| 2022 | 8 | 5 |
| 2023 | 9 | 9 |
| 2024 | 6 | 3 |
| 2025 | 6 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- One-piece formed metal heat dissipation plate and heat dissipation device having same24 Mar 2026US 12,584,698 B2
- Cold plate heat exchanger and corresponding production process by additive manufacturing25 Nov 2025US 12,484,185 B2Koral Technologies S.R.L.
- Passive flow control for captive vortex4 Nov 2025US 12,460,882 B2Worcester Polytechnic Institute
- Additively manufactured heat exchanger with special surface roughness15 Apr 2025US 12,275,089 B2Hamilton Sundstrand Corporation
- Working vehicle15 Apr 2025US 12,276,082 B2Kubota Corporation
- Heat management system and vehicle6 Mar 2025US 2025/0079942 A1Toyota Jidosha Kabushiki Kaisha
- Monolithic heat-exchanger bodies16 May 2024US 2024/0159201 A1Hyliion Holdings Corp.
- Segmented heat exchanger18 Apr 2024US 2024/0125564 A1Raytheon Technologies Corporation
- Cold Plate Heat Exchanger and Corresponding Production Process by Additive Manufacturing28 Mar 2024US 2024/0107703 A1Koral Technologies S.R.L.
- Additively manufactured heat exchanger with special surface roughness23 Nov 2023US 2023/0373031 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Load bearing element and a method for manufacturing a load bearing element119US 10,081,431 B2Airbus Operations GmbH · 2018
- Heat exchanger with rectification effect51US 3,992,168 AKobe Steel, Ltd. · 1976
- Process and apparatus using plate arrangement for combustive reactant heating47US 6,180,846 B2Uop LLC · 2001
- Prefabricated composite metallic heat-transmitting plate unit43US 4,283,464 A1981
- Radiant tubes having internal fins38US 5,655,599 AGas Research Institute · 1997