F28D 7/163
With conduit assemblies having a particular shape
Official title: {with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing (F28D7/1615 takes precedence)}
F28D7/163 (With conduit assemblies having a particular shape) appears on 510 US grants and 594 published applications in this corpus.
Search patents in F28D- Granted patents
- 510
- Published applications
- 594
- Assignees
- 360
- Inventors
- 1,437
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 8 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 0 |
| 2002 | 2 | 9 |
| 2003 | 7 | 12 |
| 2004 | 7 | 13 |
| 2005 | 9 | 13 |
| 2006 | 7 | 8 |
| 2007 | 9 | 17 |
| 2008 | 6 | 18 |
| 2009 | 2 | 18 |
| 2010 | 15 | 21 |
| 2011 | 9 | 19 |
| 2012 | 13 | 23 |
| 2013 | 6 | 22 |
| 2014 | 14 | 31 |
| 2015 | 9 | 21 |
| 2016 | 12 | 32 |
| 2017 | 33 | 38 |
| 2018 | 19 | 23 |
| 2019 | 29 | 38 |
| 2020 | 20 | 38 |
| 2021 | 36 | 40 |
| 2022 | 34 | 34 |
| 2023 | 32 | 37 |
| 2024 | 29 | 30 |
| 2025 | 30 | 25 |
| 2026 | 11 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Shell-and-tube heat exchanger, method of exchanging heat and use of heat exchanger22 Sep 2026US 12,741,261 B2Technip Energies France
- Heat exchanger and assembly method therefor15 Sep 2026US 12,736,290 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Refrigerant heat exchanger with integral multipass and flow distribution technology7 Jul 2026US 12,674,632 B2Intergalactic Spaceworx, LLC
- Tube sheet built-in type structure and spiral-flow type wound tube heat exchanger23 Jun 2026US 12,663,217 B2Zhenhai Petrochemical Jianan Engineering Co., Ltd.
- Heat exchanger with a vertical rod baffle structure and at least one notched longitudinal partition plate2 Jun 2026US 12,644,650 B2Lummus Novolen Technology GmbH
- Condensing device and heat pump system comprising same20 Aug 2026US 2026/0243480 A1
- Apparatus, System and Method for Heat Exchanger End Plate Erosion Resistance13 Aug 2026US 2026/0235371 A1Westermeyer Industries Inc.
- Thermal energy recovery devices for electrically heated cracking processes6 Aug 2026US 2026/0226353 A1Sabic Global Technologies B.V.
- Electric heater system6 Aug 2026US 2026/0227095 A1Watlow Electric Manufacturing Company
- Flat Heat Exchange Tube, Heat Exchanger, And Construction Machine23 Jul 2026US 2026/0210639 A1Caterpillar Inc.
Most cited
By later US patents
- Method and apparatus for in situ gasification of coal and the commercial products derived therefrom276US 3,952,802 AIn Situ Technology, Inc. · 1976
- Tubular heat exchange systems97US 9,200,855 B2Honeywell International Inc. · 2015
- Gas turbine engine with air/fuel heat exchanger50US 9,771,867 B2Rolls-Royce North American Technologies Inc. · 2017
- Flow reactors for chemical conversions with heterogeneous catalysts47US 7,316,804 B2Ineos USA LLC · 2008
- Flow reactors for chemical conversions with heterogeneous catalysts47US 8,232,415 B2BP Corporation North America Inc. · 2012