C11D 17/0056
Lavatory cleansing blocks
Official title: {Lavatory cleansing blocks}
C11D17/0056 (Lavatory cleansing blocks) appears on 192 US grants and 164 published applications in this corpus.
Search patents in C11D- Granted patents
- 192
- Published applications
- 164
- Assignees
- 77
- Inventors
- 405
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 0 |
| 2002 | 3 | 7 |
| 2003 | 1 | 3 |
| 2004 | 4 | 7 |
| 2005 | 1 | 2 |
| 2006 | 3 | 1 |
| 2007 | 0 | 4 |
| 2008 | 1 | 8 |
| 2009 | 1 | 6 |
| 2010 | 1 | 9 |
| 2011 | 5 | 8 |
| 2012 | 3 | 8 |
| 2013 | 5 | 6 |
| 2014 | 11 | 9 |
| 2015 | 8 | 11 |
| 2016 | 5 | 7 |
| 2017 | 6 | 10 |
| 2018 | 3 | 10 |
| 2019 | 9 | 5 |
| 2020 | 9 | 3 |
| 2021 | 6 | 8 |
| 2022 | 3 | 4 |
| 2023 | 3 | 7 |
| 2024 | 1 | 12 |
| 2025 | 13 | 4 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Detergent composition and methods of preventing aluminum discoloration17 Mar 2026US 12,577,501 B2Ecolab USA Inc.
- Rim block with improved scent performance23 Dec 2025US 12,503,672 B2Symrise AG
- Cleaning agent shaped body9 Dec 2025US 12,492,362 B2Henkel AG & Co. KGaA
- Method of use for toilet waste material treatment18 Nov 2025US 12,473,517 B2Coversan, LLC
- Pressed, self-solidifying, solid cleaning compositions and methods of making them11 Nov 2025US 12,467,020 B2Ecolab USA Inc.
- Self-adhesive sanitary product comprising alkyl polyglycoside8 Oct 2026US 2026/0308489 A1Henkel AG & Co. KGaA
- Particulate compositions16 Jul 2026US 2026/0201275 A1Innospec Limited
- Article for use in a toilet or urinal18 Jun 2026US 2026/0165886 A1Latisus B.V.
- Toilet-Deposited Composition11 Jun 2026US 2026/0159778 A1
- Pressed, self-solidifying, solid cleaning compositions and methods of making them12 Feb 2026US 2026/0042980 A1Ecolab USA Inc.
Most cited
By later US patents
- Lavatory cleansing blocks95US 4,460,490 AJeyes Group Limited · 1984
- 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
- Method of making urea-based solid cleaning compositions69US 5,674,831 AEcolab Inc. · 1997