- All sections
- E - Fixed constructions
- E04H - Buildings or like structures for particular purposesswimming or splash baths or poolsmastsfencingtents or canopies, in general
- E04H 4/12 - Devices or arrangements for circulating water
Patent holdings for IPC class E04H 4/12
Total number of patents in this class: 887
10-year publication summary
|
74
|
101
|
98
|
114
|
102
|
112
|
97
|
108
|
88
|
94
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zodiac Pool Systems LLC | 398 |
62 |
| Hayward Industries, Inc. | 667 |
61 |
| King Technology, Inc. | 261 |
39 |
| Pentair Water Pool and Spa, Inc. | 441 |
34 |
| Bestway Inflatables & Material Corp. | 415 |
28 |
| Zodiac Pool Care Europe | 288 |
28 |
| Crystal Lagoons Technologies, Inc. | 109 |
24 |
| Intex Marketing Ltd. | 233 |
19 |
| Kelly Slater Wave Company, LLC. | 66 |
17 |
| AquaStar Pool Products, Inc. | 82 |
15 |
| Maytronics Ltd. | 176 |
14 |
| Rheem Manufacturing Company | 986 |
13 |
| Xingmai Innovation Technology (Suzhou) Co., Ltd. | 141 |
11 |
| Ldag Holdings, Inc. | 32 |
10 |
| Ldag Acquisition Corp. | 32 |
10 |
| Whitewater West Industries Ltd. | 225 |
9 |
| Totally New Technologies LLC | 12 |
8 |
| Asia Connection LLC | 79 |
7 |
| bullfrog International, L.C. | 79 |
7 |
| Elliptic Works LLC | 11 |
7 |
| Other owners | 464 |