B01D 2257/90
Odorous compounds not provided for in groups b01d2257/00 - b01d2257/708
Official title: Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
B01D2257/90 (Odorous compounds not provided for in groups b01d2257/00 - b01d2257/708) appears on 585 US grants and 724 published applications in this corpus.
Search patents in B01D- Granted patents
- 585
- Published applications
- 724
- Assignees
- 468
- Inventors
- 1,687
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 12 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 14 | 0 |
| 1998 | 16 | 0 |
| 1999 | 10 | 0 |
| 2000 | 10 | 0 |
| 2001 | 17 | 2 |
| 2002 | 8 | 6 |
| 2003 | 8 | 9 |
| 2004 | 4 | 24 |
| 2005 | 11 | 21 |
| 2006 | 11 | 25 |
| 2007 | 11 | 13 |
| 2008 | 11 | 25 |
| 2009 | 5 | 27 |
| 2010 | 18 | 31 |
| 2011 | 13 | 28 |
| 2012 | 17 | 31 |
| 2013 | 23 | 32 |
| 2014 | 22 | 23 |
| 2015 | 29 | 38 |
| 2016 | 20 | 27 |
| 2017 | 31 | 35 |
| 2018 | 23 | 42 |
| 2019 | 33 | 48 |
| 2020 | 27 | 32 |
| 2021 | 29 | 48 |
| 2022 | 14 | 29 |
| 2023 | 30 | 46 |
| 2024 | 21 | 31 |
| 2025 | 24 | 31 |
| 2026 | 14 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter for air purification and manufacturing method thereof15 Sep 2026US 12,734,512 B2Hyundai Motor Company
- Vehicle compartment purification system, method for controlling vehicle compartment purification system, program and storage medium25 Aug 2026US 12,715,271 B2NGK Insulators, Ltd.
- Microorganism deodorizing device and deodorization treatment system18 Aug 2026US 12,708,873 B2Miraie Corporation
- Filter device for compressed air21 Jul 2026US 12,685,955 B2
- Filtered media basket for air purifier16 Jun 2026US 12,654,120 B2BISSELL Inc.
- Odor reducing systems for composter assembly10 Sep 2026US 2026/0264012 A1VCycene Inc.
- Subterranean odor remediation system20 Aug 2026US 2026/0241322 A1
- Concentrator for high flow rate gaseous substances and gaseous substance treatment system including same13 Aug 2026US 2026/0233152 A1Enbion Inc.
- Photocatalytic sanitizing device with condensation system16 Jul 2026US 2026/0199834 A1Universidad De Guadalajara
- Filter device for compressed air2 Jul 2026US 2026/0183692 A1
Most cited
By later US patents
- Smoke plume evacuation filtration system295US 6,585,791 B12003
- Surgery plume filter device and method of filtering123US 5,522,808 AEnviroSurgical, Inc. · 1996
- Air cleaner with separate ozone and ionizer outputs and method of purifying air114US 5,656,063 AAirlux Electrical Co., Ltd. · 1997
- Filter sheet material for passenger cabins in motor vehicles112US 5,350,443 A1994
- Architectural material using metal oxide exhibiting photocatalytic activity112US 5,595,813 ATakenaka Corporation · 1997