C02F 1/688
Devices in which the water progressively dissolves a solid compound
Official title: {Devices in which the water progressively dissolves a solid compound}
C02F1/688 (Devices in which the water progressively dissolves a solid compound) appears on 737 US grants and 686 published applications in this corpus.
Search patents in C02F- Granted patents
- 737
- Published applications
- 686
- Assignees
- 403
- Inventors
- 1,288
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 10 | 0 |
| 1982 | 10 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 12 | 0 |
| 1989 | 18 | 0 |
| 1990 | 10 | 0 |
| 1991 | 15 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 11 | 0 |
| 1995 | 21 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 15 | 0 |
| 1999 | 14 | 0 |
| 2000 | 11 | 0 |
| 2001 | 33 | 5 |
| 2002 | 13 | 19 |
| 2003 | 23 | 18 |
| 2004 | 21 | 27 |
| 2005 | 19 | 37 |
| 2006 | 22 | 20 |
| 2007 | 10 | 27 |
| 2008 | 17 | 23 |
| 2009 | 16 | 30 |
| 2010 | 13 | 38 |
| 2011 | 17 | 21 |
| 2012 | 8 | 23 |
| 2013 | 16 | 30 |
| 2014 | 21 | 32 |
| 2015 | 24 | 37 |
| 2016 | 24 | 23 |
| 2017 | 13 | 22 |
| 2018 | 27 | 34 |
| 2019 | 23 | 34 |
| 2020 | 22 | 25 |
| 2021 | 21 | 35 |
| 2022 | 20 | 37 |
| 2023 | 19 | 42 |
| 2024 | 30 | 14 |
| 2025 | 23 | 17 |
| 2026 | 11 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dispenser25 Aug 2026US 12,714,955 B2King Technology, Inc.
- Satchel dispenser with an isolated dispersant chamber11 Aug 2026US 12,703,651 B2King Technology, Inc.
- Plumbing system and method for purifying drinking water16 Jun 2026US 12,655,047 B2BWT Holding GmbH
- Chemical dispensers for prolonged water treatment12 May 2026US 12,623,936 B2Innovative Water Care, LLC
- Inline filterwell floating weir dispenser28 Apr 2026US 12,612,319 B2King Technology, Inc.
- Water enrichment system1 Oct 2026US 2026/0296931 A1Green Tech Water Ltd
- Assembly providing gravity fed or pump fed curvilinear motion for polymer release and mixing, including centrally mounting multi-outlet nozzle, overflow rim discharge system, and method for passive stormwater treatment using controlled rotational flow17 Sep 2026US 2026/0274719 A1
- Water treatment systems and methods10 Sep 2026US 2026/0265104 A1Nuvo Residential, LLC DBA NuvoH2O
- System and method for producing alkaline water having ph stability and increased mineral content23 Jul 2026US 2026/0209078 A1Generosity Water, Inc.
- Waterborne Cleaning Robot with Sterilization Function23 Jul 2026US 2026/0209090 A1Ningbo SurgeEdge Management Co., Ltd
Most cited
By later US patents
- Personal water filter bottle system161US 6,569,329 B1Innova Pure Water Inc. · 2003
- Chemical feeder106US 5,427,748 APPG Industries, Inc. · 1995
- Device for seeding bacterial cultures to systems to assist in biodegrading waste103US 4,810,385 ASybron Chemicals, Inc. · 1989
- Method and apparatus for mass based dispensing99US 7,201,290 B2Ecolab Inc. · 2007
- Disposable float dispenser94US 4,217,331 AColeco Industries, Inc. · 1980