E03D 9/052
Using incorporated fans
Official title: using incorporated fans
E03D9/052 (Using incorporated fans) appears on 269 US grants and 240 published applications in this corpus.
Search patents in E03D- Granted patents
- 269
- Published applications
- 240
- Assignees
- 66
- Inventors
- 516
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 10 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 10 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 5 |
| 2003 | 6 | 8 |
| 2004 | 5 | 4 |
| 2005 | 2 | 4 |
| 2006 | 2 | 6 |
| 2007 | 3 | 16 |
| 2008 | 5 | 15 |
| 2009 | 1 | 9 |
| 2010 | 8 | 8 |
| 2011 | 4 | 7 |
| 2012 | 4 | 8 |
| 2013 | 6 | 10 |
| 2014 | 1 | 13 |
| 2015 | 5 | 11 |
| 2016 | 9 | 9 |
| 2017 | 12 | 16 |
| 2018 | 9 | 6 |
| 2019 | 9 | 11 |
| 2020 | 5 | 8 |
| 2021 | 6 | 6 |
| 2022 | 4 | 14 |
| 2023 | 4 | 17 |
| 2024 | 8 | 10 |
| 2025 | 9 | 14 |
| 2026 | 10 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems for human waste collection and processing29 Sep 2026US 12,747,570 B2Hamilton Sundstrand Space Systems International, Inc.
- Systems for human waste collection and processing1 Sep 2026US 12,723,392 B2Hamilton Sundstrand Space Systems International, Inc.
- Ventilation connector and exhaust flange28 Jul 2026US 12,692,690 B1
- Air odor removal system and toilet bowl plate with sewage plumbing attachment for a toilet assembly21 Jul 2026US 12,687,002 B2
- Driving part of warm air heater and warm air heater21 Jul 2026US 12,687,320 B2Shanghai Kohler Electronics, Ltd.
- Toilet Deodorizing Device16 Jul 2026US 2026/0201685 A1
- Suction and odour evacuation system with passive and continuous hydraulic sealing2 Jul 2026US 2026/0185340 A1
- Bidet2 Jul 2026US 2026/0185341 A1Coway Co., Ltd.
- System for venting odors from a toilet bowl12 Mar 2026US 2026/0071414 A1
- Toilet ventilation for residential and commercial buildings1 Jan 2026US 2026/0002351 A1
Most cited
By later US patents
- Odor control device126US 4,830,791 AScentex, Inc. · 1989
- Activated carbon adsorbent and applications thereof124US 5,403,548 ATakeda Chemical Industries, Ltd. · 1995
- Activated carbon honeycombs and applications thereof116US 5,288,306 ATakeda Chemical Industries, Ltd. · 1994
- Bath fan and heater with cover having adjustable luver or depressible fastener and depressible release66US 9,103,104 B1Chien Luen Industries Co., Ltd., Inc. · 2015
- Ventilated toilet50US 4,318,192 A1982