F28F 9/0251
Massive connectors
Official title: {Massive connectors, e.g. blocks; Plate-like connectors}
F28F9/0251 (Massive connectors) appears on 271 US grants and 320 published applications in this corpus.
Search patents in F28F- Granted patents
- 271
- Published applications
- 320
- Assignees
- 152
- Inventors
- 850
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 14 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 3 |
| 2002 | 4 | 4 |
| 2003 | 5 | 3 |
| 2004 | 4 | 11 |
| 2005 | 8 | 12 |
| 2006 | 6 | 12 |
| 2007 | 8 | 11 |
| 2008 | 3 | 3 |
| 2009 | 1 | 9 |
| 2010 | 2 | 7 |
| 2011 | 9 | 10 |
| 2012 | 2 | 13 |
| 2013 | 5 | 14 |
| 2014 | 2 | 16 |
| 2015 | 7 | 9 |
| 2016 | 2 | 13 |
| 2017 | 15 | 12 |
| 2018 | 13 | 19 |
| 2019 | 15 | 12 |
| 2020 | 12 | 11 |
| 2021 | 9 | 14 |
| 2022 | 11 | 19 |
| 2023 | 6 | 25 |
| 2024 | 10 | 13 |
| 2025 | 18 | 25 |
| 2026 | 14 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat exchanger for a motor vehicle22 Sep 2026US 12,741,502 B2Valeo Systemes Thermiques
- Joint unit22 Sep 2026US 12,742,601 B2Nidec Corporation
- Heat exchange assembly1 Sep 2026US 12,723,821 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Heat exchanger for an electronic control unit18 Aug 2026US 12,710,237 B2Valeo Systemes Thermiques
- Heat-treatment module for a vehicle heat-treatment system16 Jun 2026US 12,654,510 B2Valeo Systemes Thermiques
- Heat exchanger20 Aug 2026US 2026/0243523 A1Sanden Corporation
- Heat exchanger, method for manufacturing the same, and refrigeration apparatus6 Aug 2026US 2026/0227137 A1Daikin Industries, Ltd.
- Heat exchanger and energy storage device6 Aug 2026US 2026/0229643 A1Huawei Digital Power Technologies Co., Ltd.
- Method for assembling a heat exchanger with coaxial tubing for an air-conditioning circuit of a vehicle30 Jul 2026US 2026/0218987 A1Hutchinson
- Liquid distributor branch pipe structure and liquid distributor23 Jul 2026US 2026/0210459 A1Hanshan Ruike Metal Co., Ltd.
Most cited
By later US patents
- Heat exchanger system for a gas turbine engine86US 6,106,229 AUnited Technologies Corporation · 2000
- Evaporator51US 5,042,577 AAisin Seiki Kabushiki Kaisha · 1991
- Sealing washer block connection49US 5,354,101 AGeneral Motors Corporation · 1994
- Heat exchanger40US 5,086,835 ASanden Corporation · 1992
- Heat exchanger for an air conditioning system evaporator37US 4,589,265 ADiesel Kiki Co., Ltd. · 1986