E04H 4/1227
Circumferential gutters
Official title: {Circumferential gutters}
E04H4/1227 (Circumferential gutters) appears on 85 US grants and 47 published applications in this corpus.
Search patents in E04H- Granted patents
- 85
- Published applications
- 47
- Assignees
- 30
- Inventors
- 85
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 5 | 5 |
| 2018 | 2 | 1 |
| 2019 | 1 | 5 |
| 2020 | 4 | 0 |
| 2021 | 5 | 6 |
| 2022 | 2 | 3 |
| 2023 | 5 | 3 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pool gutter and wall assembly24 Mar 2026US 12,584,326 B2Paddock Pool Equipment Company
- Swimming pool structure with an edge gutter19 Aug 2025US 12,392,153 B2Ma. Mi. International S.R.L.
- Swimming pool structure with water drawing, filtering and recirculating circuit14 Jan 2025US 12,195,995 B2Ma. Mi. International S.R.L.
- System for the removal of volatile products resulting from the disinfection of water in a swimming pool26 Sep 2023US 11,767,678 B2A&T Europe S.P.A.
- Surface gravity wave generator and wave pool4 Apr 2023US 11,619,056 B2Kelly Slater Wave Company, LLC
- Channel Drain Assembly21 May 2026US 2026/0139501 A1Blue Square Manufacturing, LLC
- Surface gravity wave generator and wave pool26 Mar 2026US 2026/0085533 A1Kelly Slater Wave Company, LLC
- Surface gravity wave generator and wave pool6 Feb 2025US 2025/0043582 A1Kelly Slater Wave Company, LLC
- Pool gutter and wall assembly5 Dec 2024US 2024/0401355 A1Paddock Pool Equipment Company
- Surface gravity wave generator and wave pool28 Dec 2023US 2023/0417075 A1Kelly Slater Wave Company, LLC
Most cited
By later US patents