- All sections
- E - Fixed constructions
- E03B - Installations or methods for obtaining, collecting, or distributing water
- E03B 9/02 - HydrantsArrangement of valves thereinKeys for hydrants
Patent holdings for IPC class E03B 9/02
Total number of patents in this class: 242
10-year publication summary
21
|
19
|
23
|
21
|
23
|
21
|
18
|
16
|
18
|
7
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mueller International, LLC | 722 |
87 |
WCM Industries, Inc. | 233 |
28 |
Sigelock Systems, L.L.C. | 15 |
10 |
McWane, Inc. | 111 |
8 |
Vonroll InfraTec (Investment) AG | 29 |
8 |
AVK Holding A/S | 97 |
7 |
Prier Products, Inc. | 15 |
5 |
CPI Excavating Inc. | 3 |
3 |
Kennedy Valve Company | 38 |
3 |
Sakura Rubber Co., Ltd. | 20 |
3 |
Silversmith, Inc. | 21 |
3 |
Aquor Water Systems, Incorporated | 15 |
3 |
AMI Investments, LLC | 7 |
2 |
Merrill Manufacturing Company | 11 |
2 |
No-des, Inc. | 14 |
2 |
Sensus Spectrum LLC | 269 |
2 |
Sentinel Hydrosolutions, LLC | 25 |
2 |
Mirae Industries Co., Ltd | 7 |
2 |
ThinkPod, Inc. | 4 |
2 |
Trakker Industries, LLC | 2 |
2 |
Other owners | 58 |