- All sections
- E - Fixed constructions
- E03B - Installations or methods for obtaining, collecting, or distributing water
- E03B 1/00 - Methods or layout of installations for water supply
Patent holdings for IPC class E03B 1/00
Total number of patents in this class: 255
10-year publication summary
|
15
|
20
|
11
|
5
|
7
|
3
|
7
|
4
|
6
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
12 |
| Wint-wi Ltd. | 19 |
11 |
| NEC Corporation | 36475 |
10 |
| Kubota Corporation | 4168 |
6 |
| Hitachi, Ltd. | 15846 |
4 |
| The Chugoku Electric Power Co., Inc. | 515 |
4 |
| General Ecology, Inc. | 38 |
4 |
| Kohler Mira Limited | 302 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6213 |
4 |
| Buerkert Werke GmbH | 85 |
3 |
| Delta Faucet Company | 2743 |
3 |
| Repligen Corporation | 293 |
3 |
| The Regents of the University of California | 20447 |
2 |
| Robert Bosch GmbH | 43385 |
2 |
| Applied Materials, Inc. | 19849 |
2 |
| Industrial Technology Research Institute | 5071 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 33168 |
2 |
| B/E Aerospace, Inc. | 1702 |
2 |
| Ecolab USA Inc. | 5691 |
2 |
| Eiwa Land Environment Co., Ltd. | 2 |
2 |
| Other owners | 171 |