C02F 5/086
Condensed phosphates
Official title: {Condensed phosphates}
C02F5/086 (Condensed phosphates) appears on 52 US grants and 45 published applications in this corpus.
Search patents in C02F- Granted patents
- 52
- Published applications
- 45
- Assignees
- 46
- Inventors
- 124
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 5 | 6 |
| 2012 | 0 | 0 |
| 2013 | 1 | 5 |
| 2014 | 1 | 3 |
| 2015 | 0 | 2 |
| 2016 | 0 | 3 |
| 2017 | 3 | 0 |
| 2018 | 3 | 3 |
| 2019 | 1 | 2 |
| 2020 | 2 | 2 |
| 2021 | 3 | 6 |
| 2022 | 1 | 3 |
| 2023 | 2 | 3 |
| 2024 | 2 | 2 |
| 2025 | 4 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for treatment of hard water2 Sep 2025US 12,404,194 B2Cargill, Incorporated
- Water-savings adiabatic spray system1 Apr 2025US 12,264,088 B2Evapco, Inc.
- Device for scale prevention in water systems incorporating magnetic field exposure and method21 Jan 2025US 12,202,749 B1ERD Paris, LLC
- Water filter cartridge having tank limescale protection14 Jan 2025US 12,195,353 B2Aquis Wasser-Luft-Systeme GmbH, Lindau Zweigniederlassung Rebstein
- Scaling treatment systems for water heaters12 Nov 2024US 12,139,429 B2Rheem Manufacturing Company
- Utilization of an ultra-high pressure reverse osmosis membrane system to treat industrial wastewater or a reverse osmosis reject waste stream8 Oct 2026US 2026/0308017 A1Renovo Resources LLC
- Water treatment systems and methods10 Sep 2026US 2026/0265104 A1Nuvo Residential, LLC DBA NuvoH2O
- Scaling Treatment Systems for Water Heaters13 Feb 2025US 2025/0051207 A1Rheem Manufacturing Company
- Water treatment systems and methods29 Aug 2024US 2024/0286941 A1Nuvo Residential, LLC DBA NuvoH2O
- Water-savings adiabatic spray system18 Jan 2024US 2024/0018022 A1Evapco, Inc.
Most cited
By later US patents
- Biocidal methods and compositions for recirculating water systems58US 5,464,636 AUniversity of Houston · 1995
- Biocidal methods and compositions for recirculating water system47US 5,527,547 AUniversity of Houston · 1996
- Biocidal methods and compositions for recirculating water systems43US 5,662,940 AUniversity of Houston · 1997
- Membrane cleaning compositions containing phosphorous compounds29US 4,806,259 AThe B. F. Goodrich Company · 1989
- Inhibition of the staining of porcelain surfaces by manganese28US 4,452,713 AThe Procter & Gamble Company · 1984