E04H 4/0012
Floating swimming pools
Official title: {Floating swimming pools}
E04H4/0012 (Floating swimming pools) appears on 23 US grants and 21 published applications in this corpus.
Search patents in E04H- Granted patents
- 23
- Published applications
- 21
- Assignees
- 10
- Inventors
- 43
- Latest grant
- 31 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods for purifying natural water for recreational swimming with modular filtration units31 May 2022US 11,344,830 B2Friends of + Pool, Inc.
- Floating lake system and methods of treating water within a floating lake10 Jul 2018US 10,017,908 B2Crystal Lagoons (Curacao) B.V.
- Floating lake system and methods of treating water within a floating lake20 Mar 2018US 9,920,498 B2Crystal Lagoons (Curacao) B.V.
- Floating sheet wave water attraction31 Oct 2017US 9,802,133 B2Voltus Industries Ltd.
- Apparatus for underwater activities22 Mar 2016US 9,289,664 B2Waterbox Oy
- Systems and methods for purifying natural water for recreational swimming with modular filtration units13 Oct 2022US 2022/0323888 A1Friends of + Pool, Inc.
- Systems and methods for purifying natural water for recreational swimming with modular filtration units28 May 2020US 2020/0164293 A1Friends of + Pool, Inc.
- Inflatable float tank17 Jan 2019US 2019/0015624 A1Zen Float Co. LLC
- Floating structure10 May 2018US 2018/0127996 A1
- Floating lake system and methods of treating water within a floating lake6 Jul 2017US 2017/0191237 A1Crystal Lagoons (Curacao) B.V.
Most cited
By later US patents