- All sections
- E - Fixed constructions
- E04H - Buildings or like structures for particular purposes; swimming or splash baths or pools; masts; fencing; tents 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: 784
10-year publication summary
|
78
|
82
|
108
|
105
|
122
|
106
|
118
|
99
|
115
|
22
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hayward Industries, Inc. | 669 |
56 |
| Zodiac Pool Systems LLC | 348 |
55 |
| King Technology, Inc. | 241 |
32 |
| Pentair Water Pool and Spa, Inc. | 457 |
31 |
| Bestway Inflatables & Material Corp. | 367 |
24 |
| Zodiac Pool Care Europe | 241 |
24 |
| Crystal Lagoons Technologies, Inc. | 90 |
23 |
| Intex Marketing Ltd. | 209 |
16 |
| AquaStar Pool Products, Inc. | 75 |
15 |
| Kelly Slater Wave Company, LLC. | 63 |
12 |
| Ldag Holdings, Inc. | 37 |
12 |
| Maytronics Ltd. | 139 |
12 |
| Ldag Acquisition Corp. | 37 |
12 |
| Rheem Manufacturing Company | 861 |
9 |
| Whitewater West Industries Ltd. | 170 |
9 |
| Totally New Technologies LLC | 14 |
8 |
| Watkins Manufacturing Corporation | 497 |
7 |
| Asia Connection LLC | 75 |
7 |
| Zodiac Pool Systems, Inc. | 86 |
7 |
| Paddock Pool Equipment Company, Inc. | 18 |
6 |
| Other owners | 407 |