C02F 2103/42
From bathing facilities
Official title: from bathing facilities, e.g. swimming pools
C02F2103/42 (From bathing facilities) appears on 1,382 US grants and 1,473 published applications in this corpus.
Search patents in C02F- Granted patents
- 1,382
- Published applications
- 1,473
- Assignees
- 626
- Inventors
- 2,128
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 8 | 0 |
| 1978 | 15 | 0 |
| 1979 | 5 | 0 |
| 1980 | 10 | 0 |
| 1981 | 15 | 0 |
| 1982 | 10 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 13 | 0 |
| 1986 | 6 | 0 |
| 1987 | 17 | 0 |
| 1988 | 20 | 0 |
| 1989 | 20 | 0 |
| 1990 | 14 | 0 |
| 1991 | 23 | 0 |
| 1992 | 20 | 0 |
| 1993 | 25 | 0 |
| 1994 | 19 | 0 |
| 1995 | 16 | 0 |
| 1996 | 14 | 0 |
| 1997 | 24 | 0 |
| 1998 | 18 | 0 |
| 1999 | 20 | 0 |
| 2000 | 22 | 0 |
| 2001 | 28 | 13 |
| 2002 | 28 | 31 |
| 2003 | 28 | 36 |
| 2004 | 27 | 46 |
| 2005 | 21 | 42 |
| 2006 | 25 | 42 |
| 2007 | 25 | 34 |
| 2008 | 25 | 41 |
| 2009 | 31 | 46 |
| 2010 | 27 | 43 |
| 2011 | 28 | 61 |
| 2012 | 20 | 54 |
| 2013 | 33 | 55 |
| 2014 | 27 | 66 |
| 2015 | 31 | 56 |
| 2016 | 36 | 54 |
| 2017 | 33 | 64 |
| 2018 | 78 | 81 |
| 2019 | 66 | 83 |
| 2020 | 57 | 74 |
| 2021 | 66 | 75 |
| 2022 | 52 | 74 |
| 2023 | 53 | 77 |
| 2024 | 58 | 60 |
| 2025 | 65 | 92 |
| 2026 | 45 | 73 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control center box and flexible bathtub6 Oct 2026US 12,751,582 B2Jiaxing Virpol Sanitary Ware 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.
- Pool skimmer6 Oct 2026US 12,753,619 B1Sichuan Cootway Technology Co., Ltd.
- Automatic swimming pool cleaners especially adept at climbing and cleaning pool stairs29 Sep 2026US 12,747,605 B2Zodiac Pool Systems LLC
- Flat filter media22 Sep 2026US 12,741,238 B2Bullfrog International, LC
- Electrochemical cell8 Oct 2026US 2026/0308024 A1Imperial College Innovations Limited
- Modular multi-filter systems and methods of use1 Oct 2026US 2026/0295538 A1Pentair Water Pool and Spa, Inc.
- Cleaning device1 Oct 2026US 2026/0296920 A1
- Debris removal sleeve1 Oct 2026US 2026/0297969 A1
- Monitoring and controlling connected pool devices24 Sep 2026US 2026/0286736 A1Pentair Water Pool and Spa, Inc.
Most cited
By later US patents
- Automatic chemical monitor and control system238US 5,422,014 A1995
- Water treatment system for swimming pools and potable water151US 4,752,401 ASafe Water Systems International, Inc. · 1988
- Swimming pool management system146US 6,125,481 A2000
- Chlorination and pH control system112US 4,767,511 A1988
- Method and apparatus for filtration with plural ultraviolet treatment stages112US 5,236,595 AInternational Environmental Systems, Inc., USA · 1993