- 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: 253
10-year publication summary
|
23
|
12
|
15
|
20
|
14
|
6
|
7
|
3
|
7
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
12 |
| Wint-wi Ltd. | 19 |
11 |
| NEC Corporation | 32703 |
10 |
| Hitachi, Ltd. | 16452 |
4 |
| General Ecology, Inc. | 39 |
4 |
| Kohler Mira Limited | 280 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
4 |
| Buerkert Werke GmbH | 92 |
3 |
| Delta Faucet Company | 2725 |
3 |
| Repligen Corporation | 258 |
3 |
| The Regents of the University of California | 18943 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| Applied Materials, Inc. | 16587 |
2 |
| Industrial Technology Research Institute | 4898 |
2 |
| Konica Minolta Medical & Graphic, Inc. | 986 |
2 |
| B/E Aerospace, Inc. | 1493 |
2 |
| The Chugoku Electric Power Co., Inc. | 498 |
2 |
| Ecolab USA Inc. | 5190 |
2 |
| Evoqua Water Technologies LLC | 904 |
2 |
| ExxonMobil Upstream Research Company | 2525 |
2 |
| Other owners | 175 |