- All sections
- E - Fixed constructions
- E03B - Installations or methods for obtaining, collecting, or distributing water
- E03B 9/06 - Covers
Patent holdings for IPC class E03B 9/06
Total number of patents in this class: 67
10-year publication summary
|
9
|
10
|
1
|
7
|
8
|
8
|
5
|
10
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mueller International, LLC | 718 |
43 |
| Sigelock Systems, L.L.C. | 15 |
6 |
| WCM Industries, Inc. | 232 |
3 |
| Kennedy Valve Company | 38 |
2 |
| AVK Holding A/S | 98 |
2 |
| E. Hawle Armaturenwerke GmbH | 21 |
1 |
| EJ USA, Inc. | 22 |
1 |
| Hi-g-tek Inc. | 5 |
1 |
| Hydra-shield Mfg. Inc. | 1 |
1 |
| Mul-T-Lock Technologies Ltd. | 58 |
1 |
| Silversmith, Inc. | 21 |
1 |
| Aage V. Kjærs Maskinfabrik A/S | 5 |
1 |
| Bayard | 59 |
1 |
| Camene | 2 |
1 |
| Chunghoenc Co., Ltd. | 1 |
1 |
| Know How Information I Stockholm AB | 1 |
1 |
| Other owners | 0 |