C11D 2111/48
Regeneration of cleaning solutions
C11D2111/48 (Regeneration of cleaning solutions) appears on 67 US grants and 57 published applications in this corpus.
Search patents in C11D- Granted patents
- 67
- Published applications
- 57
- Assignees
- 34
- Inventors
- 141
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 12 |
| 2003 | 1 | 3 |
| 2004 | 6 | 7 |
| 2005 | 8 | 8 |
| 2006 | 7 | 3 |
| 2007 | 1 | 1 |
| 2008 | 2 | 0 |
| 2009 | 2 | 4 |
| 2010 | 2 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Parts-washing method26 Aug 2025US 12,398,347 B2Terrafend Limited
- Solvent compositions for removing petroleum residue from a substrate and methods of use thereof22 Aug 2023US 11,732,223 B2Crude Spill Cleaning Co. Inc.
- Method and system for operating a CIP pre-flush step using fluorometric measurements of soil content8 Feb 2022US 11,241,723 B2Ecolab USA Inc.
- Turbine component cleaning system and method having detergent recovery and regeneration6 Jul 2021US 11,053,813 B2General Electric Company
- Solvent compositions for removing petroleum residue from a substrate and methods of use thereof11 May 2021US 11,001,789 B2Crude Spill Cleaning Co. Inc.
- Enzymatic caustic free detergent compositions for cleaning dairy processing systems7 May 2026US 2026/0125615 A1Ecolab USA Inc.
- Foam-rich instant cleaning block and method therefor31 Oct 2024US 2024/0360386 A1Cosbe Laboratory Inc.
- Parts-washing method23 Nov 2023US 2023/0374422 A1Terrafend Limited
- Solvent compositions for removing petroleum residue from a substrate and methods of use thereof26 Aug 2021US 2021/0261889 A1Troxler Electronic Laboratories, Inc.
- Parts-washing method24 Jun 2021US 2021/0189299 A1
Most cited
By later US patents
- Washing apparatus126US 6,691,536 B2The Procter & Gamble Company · 2004
- Use of absorbent materials to separate water from lipophilic fluid86US 6,855,173 B2The Procter & Gamble Company · 2005
- Washing apparatus56US 6,898,951 B2The Procter & Gamble Company · 2005
- Cleaning method and cleaning apparatus39US 5,593,507 AJapan Field Company, Ltd. · 1997
- Washing apparatus33US 7,275,400 B2The Procter & Gamble Company · 2007