A61L 9/05
Specially adapted to be released by contact with a liquid
Official title: specially adapted to be released by contact with a liquid, e.g. for toilets
A61L9/05 (Specially adapted to be released by contact with a liquid) appears on 130 US grants and 120 published applications in this corpus.
Search patents in A61L- Granted patents
- 130
- Published applications
- 120
- Assignees
- 78
- Inventors
- 302
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 0 |
| 2004 | 2 | 6 |
| 2005 | 2 | 6 |
| 2006 | 1 | 2 |
| 2007 | 1 | 4 |
| 2008 | 2 | 10 |
| 2009 | 3 | 7 |
| 2010 | 0 | 3 |
| 2011 | 2 | 7 |
| 2012 | 2 | 4 |
| 2013 | 4 | 4 |
| 2014 | 6 | 8 |
| 2015 | 3 | 5 |
| 2016 | 5 | 8 |
| 2017 | 7 | 5 |
| 2018 | 3 | 10 |
| 2019 | 8 | 9 |
| 2020 | 5 | 3 |
| 2021 | 9 | 7 |
| 2022 | 2 | 0 |
| 2023 | 2 | 1 |
| 2024 | 3 | 5 |
| 2025 | 3 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for aerator dispersal of a gaseous cleaning agent23 Dec 2025US 12,502,452 B2Nuvinair, LLC
- Rim block with improved scent performance23 Dec 2025US 12,503,672 B2Symrise AG
- Devices and methods for controlled release of substances4 Feb 2025US 12,214,109 B2
- Fragrance carrier holder10 Sep 2024US 12,083,252 B1
- Process for vehicle interior deodorization11 Jun 2024US 12,005,162 B2
- Self-adhesive sanitary product comprising alkyl polyglycoside8 Oct 2026US 2026/0308489 A1Henkel AG & Co. KGaA
- Biodegradable emanator for vapor of a volatile fluid26 Mar 2026US 2026/0083872 A1Microlin, LLC
- A fragrance diffuser for a flush tank23 Oct 2025US 2025/0325724 A1
- Devices and methods for controlled release of substances22 May 2025US 2025/0161514 A1
- Apparatus for aerator dispersal of a gaseous cleaning agent11 Jul 2024US 2024/0226361 A1Nuvinair, LLC
Most cited
By later US patents
- Two component cleaner and disinfectant tablet93US 4,578,207 AHenkel Kommanditgesellschaft auf Aktien · 1986
- Two-component cleaner and disinfectant tablet92US 4,683,072 AHenkel Kommanditgesellschaft auf Aktien · 1987
- Block-form cleaners for flush toilets89US 5,759,974 AHenkel Kommanditgesellschaft auf Aktien · 1998
- Composition for reducing malodor impression on inanimate surfaces88US 5,578,563 AThe Procter & Gamble Company · 1996
- Uncomplexed cyclodextrin solutions for odor control on inanimate surfaces69US 5,714,137 AThe Procter & Gamble Company · 1998