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  • 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
3290
3
Crompton Technology Group Limited
157
3
Ipex Technologies Inc.
98
3
Solvay Specialty Polymers USA, LLC
582
3
Uponor Innovation AB
286
3
WilMarc Holdings, LLC
62
3
The Boeing Company
20048
2
"agru" Kunststofftechnik Gesellschaft m.b.H.
61
2
ContiTech Techno-Chemie GmbH
74
2
Divergent Technologies, Inc.
475
2
Meissner Filtration Products, Inc.
111
2
MSA Engineering Systems Limited
2
2
Nifco Inc.
1104
2
NORMA Germany GmbH
228
2
Repligen Corporation
283
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

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