E04H 4/169
Pool nozzles
Official title: {Pool nozzles}
E04H4/169 (Pool nozzles) appears on 151 US grants and 106 published applications in this corpus.
Search patents in E04H- Granted patents
- 151
- Published applications
- 106
- Assignees
- 49
- Inventors
- 157
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 7 | 0 |
| 2003 | 4 | 2 |
| 2004 | 0 | 6 |
| 2005 | 2 | 3 |
| 2006 | 1 | 6 |
| 2007 | 4 | 2 |
| 2008 | 1 | 5 |
| 2009 | 3 | 2 |
| 2010 | 2 | 0 |
| 2011 | 4 | 6 |
| 2012 | 3 | 3 |
| 2013 | 5 | 8 |
| 2014 | 5 | 2 |
| 2015 | 7 | 3 |
| 2016 | 3 | 4 |
| 2017 | 7 | 7 |
| 2018 | 10 | 7 |
| 2019 | 4 | 4 |
| 2020 | 9 | 7 |
| 2021 | 4 | 4 |
| 2022 | 5 | 5 |
| 2023 | 4 | 5 |
| 2024 | 8 | 6 |
| 2025 | 5 | 6 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for cleaning a surface with a fluid25 Aug 2026US 12,716,255 B1
- Programmable pressurized water distribution apparatus for in-floor pool cleaning systems using electrically controlled valves14 Jul 2026US 12,680,328 B2Pool Gazoo
- Cleaning accessory5 May 2026US 12,618,253 B2My Pool Supply, LLC
- In-floor swimming pool cleaning head with reversible bayonet21 Oct 2025US 12,447,482 B2Goettl Design Group, LLC
- Mobile nozzles and associated systems for cleaning pools and spas12 Aug 2025US 12,385,272 B2
- System for visual light communication and related methods27 Aug 2026US 2026/0250975 A1Elliptic Works LLC
- Mobile Nozzles And Associated Systems For Cleaning Pools And Spas9 Jul 2026US 2026/0193898 A1Hayward Industries, Inc.
- Variable flow control nozzle for swimming pools and spas11 Dec 2025US 2025/0375779 A1Zodiac Pool Systems LLC
- Treatment system and unit for one or more fluidic systems13 Nov 2025US 2025/0347133 A2Readipod LLC
- System for visual light communication and related methods16 Oct 2025US 2025/0320737 A1Elliptic Works LLC
Most cited
By later US patents
- Cleaning system for swimming pools and the like72US 4,907,610 ACrystal Pools, Inc. · 1990
- Cleaning system for swimming pools and the like66US 6,419,840 B12002
- Jet stream device51US 4,561,133 A1985
- Fluid distribution valve46US 4,592,379 A1986
- Pool cleaning head with rotary pop-up jet producing element44US 4,322,860 AShasta Industries, Inc. · 1982