C02F 2201/002
Construction details of the apparatus
C02F2201/002 (Construction details of the apparatus) appears on 3,118 US grants and 4,309 published applications in this corpus.
Search patents in C02F- Granted patents
- 3,118
- Published applications
- 4,309
- Assignees
- 2,048
- Inventors
- 7,899
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 11 | 0 |
| 1979 | 8 | 0 |
| 1980 | 7 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 13 | 0 |
| 1988 | 20 | 0 |
| 1989 | 14 | 0 |
| 1990 | 13 | 0 |
| 1991 | 19 | 0 |
| 1992 | 26 | 0 |
| 1993 | 17 | 0 |
| 1994 | 19 | 0 |
| 1995 | 23 | 0 |
| 1996 | 25 | 0 |
| 1997 | 32 | 0 |
| 1998 | 21 | 0 |
| 1999 | 32 | 0 |
| 2000 | 23 | 0 |
| 2001 | 29 | 7 |
| 2002 | 25 | 18 |
| 2003 | 17 | 53 |
| 2004 | 22 | 48 |
| 2005 | 25 | 52 |
| 2006 | 24 | 41 |
| 2007 | 24 | 69 |
| 2008 | 25 | 66 |
| 2009 | 41 | 78 |
| 2010 | 49 | 91 |
| 2011 | 38 | 113 |
| 2012 | 64 | 112 |
| 2013 | 63 | 134 |
| 2014 | 62 | 157 |
| 2015 | 90 | 170 |
| 2016 | 96 | 179 |
| 2017 | 125 | 183 |
| 2018 | 166 | 233 |
| 2019 | 188 | 300 |
| 2020 | 234 | 293 |
| 2021 | 246 | 315 |
| 2022 | 232 | 358 |
| 2023 | 232 | 329 |
| 2024 | 220 | 316 |
| 2025 | 246 | 303 |
| 2026 | 159 | 291 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composite filter and water purifier including same6 Oct 2026US 12,753,091 B2Coway Co., Ltd.
- Structure and apparatus for purifying and containing high clarity water used for direct contact recreational purposes6 Oct 2026US 12,753,094 B2Crystal Lagoons Technologies, Inc.
- Device for influent distribution and thickened sludge fermentation to enhance MSBR system6 Oct 2026US 12,753,100 B2Corstar Environmental Equipment Shanghai Ltd
- Pool skimmer6 Oct 2026US 12,753,619 B1Sichuan Cootway Technology Co., Ltd.
- Scalable continuous flow microbial fuel cells29 Sep 2026US 12,747,173 B2Aquacycl, Inc.
- 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.
- Systems, Methods, and Apparatuses for Producing and Packaging Medical Fluids8 Oct 2026US 2026/0307835 A1
- Self-managed water purifier8 Oct 2026US 2026/0308016 A1Coway Co., Ltd.
- Apparatus and method for waste-water reduction in laboratory water purification system8 Oct 2026US 2026/0308022 A1Thermo Orion Inc.
- Middle base for gravity-based water filter8 Oct 2026US 2026/0308023 A1Gopala AG
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