- All sections
- E - Fixed constructions
- E02B - Hydraulic engineering
- E02B 13/02 - Closures for irrigation conduits
Patent holdings for IPC class E02B 13/02
Total number of patents in this class: 38
10-year publication summary
|
3
|
5
|
5
|
6
|
6
|
4
|
2
|
2
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rubicon Research Pty Ltd. | 70 |
13 |
| Austin Verissimo | 4 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48302 |
3 |
| Husqvarna AB | 3034 |
3 |
| Crysberg Holding ApS | 8 |
2 |
| Board of Trustees of the University of Arkansas | 828 |
1 |
| Country Cocky Pty. Ltd. | 3 |
1 |
| Denka Company Limited | 2720 |
1 |
| Machine Design, Inc. | 1 |
1 |
| Ningbo Jushen Pumps Industry Co., Ltd. | 3 |
1 |
| Smart Syphon Pty Ltd | 2 |
1 |
| Florida A&M University | 76 |
1 |
| Trakker Industries, LLC | 2 |
1 |
| Allied Entities Pty Ltd | 2 |
1 |
| Blanco Co., Ltd. | 3 |
1 |
| Guangdong Yanghai Agriculture Development Co., Ltd | 1 |
1 |
| Yangjiang Polytechnic | 2 |
1 |
| Institute of Land Engineering and Technology, Shaanxi Provincial Land Engineering Construction Group | 3 |
1 |
| Other owners | 0 |