C11D 2111/40
Specific cleaning or washing processes
C11D2111/40 (Specific cleaning or washing processes) appears on 693 US grants and 852 published applications in this corpus.
Search patents in C11D- Granted patents
- 693
- Published applications
- 852
- Assignees
- 392
- Inventors
- 2,048
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 13 | 0 |
| 1997 | 18 | 0 |
| 1998 | 31 | 0 |
| 1999 | 32 | 0 |
| 2000 | 20 | 0 |
| 2001 | 21 | 8 |
| 2002 | 28 | 55 |
| 2003 | 26 | 48 |
| 2004 | 26 | 44 |
| 2005 | 27 | 28 |
| 2006 | 18 | 25 |
| 2007 | 12 | 34 |
| 2008 | 11 | 20 |
| 2009 | 17 | 36 |
| 2010 | 17 | 31 |
| 2011 | 27 | 26 |
| 2012 | 18 | 21 |
| 2013 | 17 | 25 |
| 2014 | 20 | 33 |
| 2015 | 14 | 34 |
| 2016 | 16 | 16 |
| 2017 | 12 | 51 |
| 2018 | 17 | 34 |
| 2019 | 22 | 31 |
| 2020 | 17 | 34 |
| 2021 | 29 | 43 |
| 2022 | 30 | 40 |
| 2023 | 25 | 23 |
| 2024 | 16 | 39 |
| 2025 | 27 | 34 |
| 2026 | 14 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Surface treating formulation comprising a gas-to-liquid paraffinic solvent and method of making and using the same6 Oct 2026US 12,753,370 B2Energizer Auto, Inc.
- System and method for impurity removal from cargo tanks of vessels that store and transport hydrocarbons6 Oct 2026US 12,753,373 B2Chevron U.S.A.Inc.
- Foam formulations22 Sep 2026US 12,742,135 B2Medivators Inc.
- Cleaning or hydrophilizing agent composition1 Sep 2026US 12,723,220 B2Kao Corporation
- Methods for making cleaning compositions and detecting soils18 Aug 2026US 12,710,371 B2The Procter & Gamble Company
- Mixture of linear and branched alkyl polyglycosides8 Oct 2026US 2026/0308479 A1
- Engine combustion chamber cleaning solution composition and cleaning method using the same1 Oct 2026US 2026/0297461 A1Kd Finechem Co., Ltd.
- Phosphonate-free liquid laundry detergent composition17 Sep 2026US 2026/0275239 A1Reckitt Benckiser (España), S.L.
- Cleaning Compositions17 Sep 2026US 2026/0275243 A1Fujifilm Electronic Materials U.S.A., Inc.
- Cleaning composition for recycling of plastics10 Sep 2026US 2026/0265645 A1
Most cited
By later US patents
- Method of applying nanoparticles381US 6,645,569 B2The Procter & Gamble Company · 2003
- Coating compositions for modifying surfaces330US 7,112,621 B2The Proctor & Gamble Company · 2006
- Method of hydrophilizing materials294US 6,863,933 B2The Procter & Gamble Company · 2005
- Upright extraction cleaning machine240US 6,131,237 ABISSELL Homecare, Inc. · 2000
- Semiconductor wafer cleaning system181US 5,656,097 AVerteq, Inc. · 1997