F28F 2225/04
Reinforcing means: for conduits
Official title: for conduits
F28F2225/04 (Reinforcing means: for conduits) appears on 215 US grants and 333 published applications in this corpus.
Search patents in F28F- Granted patents
- 215
- Published applications
- 333
- Assignees
- 197
- Inventors
- 865
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 2 |
| 2002 | 0 | 1 |
| 2003 | 2 | 5 |
| 2004 | 1 | 1 |
| 2005 | 2 | 8 |
| 2006 | 4 | 7 |
| 2007 | 3 | 6 |
| 2008 | 4 | 11 |
| 2009 | 3 | 15 |
| 2010 | 3 | 13 |
| 2011 | 2 | 12 |
| 2012 | 7 | 9 |
| 2013 | 6 | 7 |
| 2014 | 8 | 11 |
| 2015 | 2 | 6 |
| 2016 | 5 | 16 |
| 2017 | 8 | 17 |
| 2018 | 8 | 17 |
| 2019 | 15 | 26 |
| 2020 | 13 | 29 |
| 2021 | 19 | 16 |
| 2022 | 14 | 20 |
| 2023 | 15 | 23 |
| 2024 | 11 | 15 |
| 2025 | 14 | 25 |
| 2026 | 8 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vapor chamber25 Aug 2026US 12,716,658 B2Purple Cloud Development Pte. Ltd.
- Vapor chamber with support structure30 Jun 2026US 12,669,293 B2Delta Electronics, Inc.
- Fixing device for reinforcing the joint of a rotary heat exchanger9 Jun 2026US 12,650,267 B2Klingenburg GmbH
- 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
- Heat exchanger with alignment rib10 Feb 2026US 12,545,074 B2Dana Canada Corporation
- Systems for a thermal management device20 Aug 2026US 2026/0247586 A1Dana Canada Corporation
- Stacked structure, and heat-exchange-type ventilation device and air purification device using same13 Aug 2026US 2026/0235318 A1Panasonic Intellectual Property Management Co., Ltd.
- Apparatus, System and Method for Heat Exchanger End Plate Erosion Resistance13 Aug 2026US 2026/0235371 A1Westermeyer Industries Inc.
- Heat dissipation device30 Jul 2026US 2026/0218988 A1Kmw Inc.
- Flat Heat Exchange Tube, Heat Exchanger, And Construction Machine23 Jul 2026US 2026/0210639 A1Caterpillar Inc.
Most cited
By later US patents
- Fluid drying tube100US 4,705,543 APerma Pure Products, Inc. · 1987
- Plate type heat exchanger58US 4,872,578 AITT Standard, ITT Corporation · 1989
- Method and apparatus for continuously extruding single-wall pipe of plastics or other mouldable material49US 4,710,337 AUponor N.V. · 1987
- Flat heat exchanger plate and bulk material heat exchanger using the same47US 7,093,649 B22006
- Method of manufacturing a tube for a heat exchanger46US 5,185,925 AGeneral Motors Corporation · 1993