F28F 1/16
The means being integral with the element
Official title: the means being integral with the element, e.g. formed by extrusion (F28F1/22 takes precedence)
F28F1/16 (The means being integral with the element) appears on 155 US grants and 207 published applications in this corpus.
Search patents in F28F- Granted patents
- 155
- Published applications
- 207
- Assignees
- 177
- Inventors
- 475
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 0 | 4 |
| 2005 | 2 | 4 |
| 2006 | 4 | 8 |
| 2007 | 1 | 4 |
| 2008 | 1 | 5 |
| 2009 | 0 | 10 |
| 2010 | 4 | 6 |
| 2011 | 1 | 11 |
| 2012 | 3 | 9 |
| 2013 | 3 | 8 |
| 2014 | 3 | 15 |
| 2015 | 7 | 8 |
| 2016 | 2 | 6 |
| 2017 | 7 | 8 |
| 2018 | 10 | 18 |
| 2019 | 7 | 10 |
| 2020 | 14 | 6 |
| 2021 | 13 | 21 |
| 2022 | 3 | 17 |
| 2023 | 10 | 5 |
| 2024 | 9 | 14 |
| 2025 | 6 | 3 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Double-tube heat exchanger and manufacturing method therefor26 May 2026US 12,638,241 B2Sumitomo Riko Company Limited
- Heat exchanger and heat pump device19 May 2026US 12,631,374 B2Daikin Industries, Ltd.
- Heat transfer using ionic pumps19 May 2026US 12,633,506 B2Ventiva, Inc.
- Extruded connected microtube and heat exchanger14 Apr 2026US 12,601,547 B2Rtx Corporation
- Ceiling radiator having a star-shaped cross-sectional shape13 Jan 2026US 12,523,378 B2Allfest GmbH
- Heat Exchange Assembly for Hydrogenation Device, and Heat Exchange Process11 Jun 2026US 2026/0160498 A1Zhenhai Petrochemical Jianan Engineering Co., Ltd.
- Heating device4 Jun 2026US 2026/0153287 A1SOKOTHERM GmbH
- Photovoltaic and thermal solar panel20 Nov 2025US 2025/0357891 A1Dualsun
- Air cooled condenser and related methods12 Jun 2025US 2025/0187124 A1Holtec International
- A condenser tube, a method for heat transfer and an apparatus for heat exchange17 Apr 2025US 2025/0123035 A1Hydro Extruded Solutions AS
Most cited
By later US patents
- Cooling air cooler for a gas turbine engine86US 4,137,705 AGeneral Electric Company · 1979
- Thermal module64US 7,845,393 B2Jiing Tung Tec. Metal Co., Ltd. · 2010
- Ground source heat pump system comprising modular subterranean heat exchange units with concentric conduits51US 5,339,890 AClimate Master, Inc. · 1994
- Twin-walled casing for electric motor with forced air-cooling50US 5,019,737 ANOWAX s.r.l. · 1991
- Heat exchanger for combustion heater32US 4,657,074 ADiesel Kiki Co., Ltd. · 1987