F25D 2321/146
Characterised by the pipes or pipe connections
Official title: characterised by the pipes or pipe connections
F25D2321/146 (Characterised by the pipes or pipe connections) appears on 96 US grants and 98 published applications in this corpus.
Search patents in F25D- Granted patents
- 96
- Published applications
- 98
- Assignees
- 55
- Inventors
- 288
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 2 | 2 |
| 2008 | 3 | 7 |
| 2009 | 0 | 4 |
| 2010 | 3 | 4 |
| 2011 | 4 | 4 |
| 2012 | 2 | 4 |
| 2013 | 1 | 3 |
| 2014 | 1 | 0 |
| 2015 | 2 | 3 |
| 2016 | 1 | 3 |
| 2017 | 2 | 2 |
| 2018 | 6 | 3 |
| 2019 | 3 | 6 |
| 2020 | 3 | 7 |
| 2021 | 1 | 8 |
| 2022 | 9 | 14 |
| 2023 | 7 | 6 |
| 2024 | 7 | 4 |
| 2025 | 3 | 5 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve assembly for use in a cooling appliance and cooling appliance having the valve assembly11 Aug 2026US 12,704,191 B2BSH Hausgeräte GmbH
- Refrigerator having inclined drain pipe disposed at lower portion of refrigerator5 May 2026US 12,618,607 B2Haier Smart Home Co., Ltd.
- Vacuum adiabatic body, refrigerator, and method for fabricating the refrigerator20 Jan 2026US 12,529,507 B2LG Electronics Inc.
- Drainage cap and cold storage10 Jun 2025US 12,326,293 B2Phc Holdings Corporation
- Vacuum adiabatic body and refrigerator27 May 2025US 12,313,329 B2LG Electronics Inc.
- Container refrigeration apparatus14 May 2026US 2026/0132977 A1Daikin Industries, Ltd.
- Vacuum adiabatic body, refrigerator, and method for fabricating the refrigerator23 Apr 2026US 2026/0110480 A1LG Electronics Inc.
- Refrigerator11 Dec 2025US 2025/0377151 A1Samsung Electronics Co., Ltd.
- Systems and methods for preventing ice deposition on a gas venting outlet27 Nov 2025US 2025/0362072 A1Fermi Forward Discovery Group, LLC
- Vacuum adiabatic body and refrigerator14 Aug 2025US 2025/0257928 A1LG Electronics Inc.
Most cited
By later US patents
- Insulated food carrier and organizer66US 7,861,552 B12011
- Assembly for cleaning a drain conduit55US 5,085,244 A1992
- Refrigerator drain funnel40US 4,843,835 AAmana Refrigeration, Inc. · 1989
- Drainage management system for refrigeration coil39US 5,904,053 AInternational Comfort Products · 1999
- Defrost water drain system for a refrigerator28US 5,499,514 AWhirlpool Corporation · 1996