C02F 2201/006
Cartridges
C02F2201/006 (Cartridges) appears on 1,308 US grants and 1,578 published applications in this corpus.
Search patents in C02F- Granted patents
- 1,308
- Published applications
- 1,578
- Assignees
- 738
- Inventors
- 2,773
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 12 | 0 |
| 1988 | 16 | 0 |
| 1989 | 10 | 0 |
| 1990 | 12 | 0 |
| 1991 | 17 | 0 |
| 1992 | 24 | 0 |
| 1993 | 15 | 0 |
| 1994 | 16 | 0 |
| 1995 | 16 | 0 |
| 1996 | 20 | 0 |
| 1997 | 24 | 0 |
| 1998 | 14 | 0 |
| 1999 | 22 | 0 |
| 2000 | 16 | 0 |
| 2001 | 23 | 7 |
| 2002 | 22 | 17 |
| 2003 | 16 | 47 |
| 2004 | 18 | 42 |
| 2005 | 23 | 47 |
| 2006 | 19 | 29 |
| 2007 | 22 | 40 |
| 2008 | 19 | 44 |
| 2009 | 28 | 46 |
| 2010 | 32 | 60 |
| 2011 | 19 | 46 |
| 2012 | 33 | 46 |
| 2013 | 30 | 48 |
| 2014 | 28 | 69 |
| 2015 | 31 | 56 |
| 2016 | 27 | 68 |
| 2017 | 42 | 75 |
| 2018 | 75 | 106 |
| 2019 | 80 | 109 |
| 2020 | 79 | 106 |
| 2021 | 82 | 85 |
| 2022 | 68 | 108 |
| 2023 | 70 | 80 |
| 2024 | 51 | 77 |
| 2025 | 62 | 67 |
| 2026 | 43 | 53 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter cartridge and filter having same25 Aug 2026US 12,714,954 B2Solventum Intellectual Properties Company
- Dispenser25 Aug 2026US 12,714,955 B2King Technology, Inc.
- Retrofitting and use of rectangular filters, assembly and method for filtration25 Aug 2026US 12,714,957 B2Filtration Technology Corporation
- Filter assembly25 Aug 2026US 12,715,785 B2Samsung Electronics Co., Ltd.
- Pure water systems25 Aug 2026US 12,715,790 B2Unger Marketing International, LLC
- Equipment and method for removing a supernatant phase from a body of water in a polluted groundwater8 Oct 2026US 2026/0307123 A1ENI S. p. A.
- Middle base for gravity-based water filter8 Oct 2026US 2026/0308023 A1Gopala AG
- Modular multi-filter systems and methods of use1 Oct 2026US 2026/0295538 A1Pentair Water Pool and Spa, Inc.
- Gravity-flow filter assembly1 Oct 2026US 2026/0296921 A1Hydros Bottle, LLC
- Ice maker appliance scale cartridge1 Oct 2026US 2026/0296940 A1Haier US Appliance Solutions, Inc.
Most cited
By later US patents
- Inductively powered lamp assembly370US 6,731,071 B2Access Business Group International LLC · 2004
- Inductively powered lamp assembly317US 6,917,163 B2Access Business Group International LLC · 2005
- Inductively powered lamp assembly315US 6,812,645 B2Access Business Group International LLC · 2004
- Starter assembly for a gas discharge lamp282US 6,806,649 B2Access Business Group International LLC · 2004
- Method of manufacturing a lamp assembly279US 6,831,417 B2Access Business Group International LLC · 2004