E04H 4/143
Swimming lane markers with or without wave suppressors
Official title: {Swimming lane markers with or without wave suppressors}
E04H4/143 (Swimming lane markers with or without wave suppressors) appears on 30 US grants and 20 published applications in this corpus.
Search patents in E04H- Granted patents
- 30
- Published applications
- 20
- Assignees
- 7
- Inventors
- 50
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 3 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 2 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Swim training apparatus24 Mar 2026US 12,582,886 B2
- Anchor for lane lines18 Nov 2025US 12,473,740 B2Daldorado, LLC
- Lane rope float20 Aug 2024US 12,065,853 B2Gifu Plastic Industry Co., Ltd.
- Lane rope float25 Apr 2023US 11,634,922 B2Gifu Plastic Industry Co., Ltd.
- Lane rope float24 Jan 2023US 11,560,729 B2Gifu Plastic Industry Co., Ltd.
- Swimming pool entertainment device2 Jul 2026US 2026/0186393 A1SAS Pool-On
- Attachment structure for attaching plurality of lane rope floats to rope, lane rope float set, and lane rope float15 May 2025US 2025/0154784 A1Gifu Plastic Industry Co., Ltd.
- Anchor for lane lines18 Jul 2024US 2024/0240480 A1Daldorado, LLC
- Lane rope float13 Apr 2023US 2023/0112683 A1Gifu Plastic Industry Co., Ltd.
- Swim training apparatus2 Feb 2023US 2023/0034685 A1
Most cited
By later US patents