F24F 13/20
Casings or covers
F24F13/20 (Casings or covers) appears on 1,899 US grants and 2,536 published applications in this corpus.
Search patents in F24F- Granted patents
- 1,899
- Published applications
- 2,536
- Assignees
- 644
- Inventors
- 4,617
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 8 | 0 |
| 1987 | 5 | 0 |
| 1988 | 8 | 0 |
| 1989 | 10 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 12 | 0 |
| 1996 | 3 | 0 |
| 1997 | 10 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 15 | 0 |
| 2001 | 30 | 3 |
| 2002 | 27 | 19 |
| 2003 | 15 | 23 |
| 2004 | 13 | 17 |
| 2005 | 10 | 40 |
| 2006 | 14 | 33 |
| 2007 | 14 | 32 |
| 2008 | 14 | 24 |
| 2009 | 12 | 34 |
| 2010 | 22 | 30 |
| 2011 | 17 | 46 |
| 2012 | 18 | 30 |
| 2013 | 16 | 36 |
| 2014 | 25 | 54 |
| 2015 | 26 | 72 |
| 2016 | 48 | 81 |
| 2017 | 55 | 177 |
| 2018 | 103 | 151 |
| 2019 | 136 | 175 |
| 2020 | 141 | 234 |
| 2021 | 152 | 250 |
| 2022 | 156 | 216 |
| 2023 | 176 | 224 |
| 2024 | 206 | 237 |
| 2025 | 181 | 179 |
| 2026 | 105 | 119 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Outdoor unit of air conditioner6 Oct 2026US 12,753,934 B2Samsung Electronics Co., Ltd.
- Ceiling type air cleaner6 Oct 2026US 12,753,946 B2Samsung Electronics Co., Ltd.
- Portable misting cooler apparatus and system29 Sep 2026US 12,747,875 B2JS2 Enterprises, LLC
- Air conditioner29 Sep 2026US 12,747,883 B2LG Electronics Inc.
- Air cleaner29 Sep 2026US 12,747,888 B2LG Electronics Inc.
- Air conditioner indoor unit and air conditioner8 Oct 2026US 2026/0309341 A1Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Air cleaner8 Oct 2026US 2026/0309347 A1LG Electronics Inc.
- Housing for a heating, ventilation, and air conditioning (HVAC) system8 Oct 2026US 2026/0309359 A1
- Air Conditioning System with Improved Supply Airflow8 Oct 2026US 2026/0309360 A1Rheem Manufacturing Company
- Ultra-thin dehumidifier1 Oct 2026US 2026/0298486 A1Guangdong Invitop Technology Co., Ltd.
Most cited
By later US patents
- Foamed building panel including an internally mounted stud228US 5,007,222 A1991
- Vacuum cleaner with improved assembly184US 5,309,601 AWhite Consolidated Industries, Inc. · 1994
- Fan housing unit and mounting device therefor108US 4,336,749 AThe Celotex Corporation · 1982
- Roof assembly for an air handler105US 8,282,452 B2Trane International Inc. · 2012
- Three-member plastic rooftop air conditioner housing101US 4,672,818 AIntertherm Inc. · 1987