- All sections
- B - Performing operationstransporting
- B29L - Indexing scheme associated with subclass , relating to particular articles
- B29L 31/24 - Pipe joints or couplings
Patent holdings for IPC class B29L 31/24
Total number of patents in this class: 106
10-year publication summary
|
12
|
8
|
13
|
8
|
13
|
8
|
12
|
7
|
7
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Life Technologies Corporation | 3295 |
3 |
| Crompton Technology Group Limited | 157 |
3 |
| Ipex Technologies Inc. | 99 |
3 |
| Solvay Specialty Polymers USA, LLC | 582 |
3 |
| Uponor Innovation AB | 286 |
3 |
| WilMarc Holdings, LLC | 62 |
3 |
| The Boeing Company | 20051 |
2 |
| "agru" Kunststofftechnik Gesellschaft m.b.H. | 61 |
2 |
| ContiTech Techno-Chemie GmbH | 74 |
2 |
| Divergent Technologies, Inc. | 476 |
2 |
| Meissner Filtration Products, Inc. | 109 |
2 |
| MSA Engineering Systems Limited | 2 |
2 |
| Nifco Inc. | 1104 |
2 |
| NORMA Germany GmbH | 229 |
2 |
| Repligen Corporation | 282 |
2 |
| SaniSure, Inc. | 42 |
2 |
| Sartorius Stedim North America Inc. | 165 |
2 |
| Yueqing Dongbo Electromechanical Co., Ltd. | 13 |
2 |
| Golden Eagle Acquisition LLC | 34 |
2 |
| Mercury Plastics LLC | 75 |
2 |
| Other owners | 60 |