- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16L - Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means for thermal insulation in general
- F16L 55/18 - Appliances for use in repairing pipes
Patent holdings for IPC class F16L 55/18
Total number of patents in this class: 787
10-year publication summary
54
|
82
|
81
|
85
|
87
|
87
|
64
|
58
|
47
|
17
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
TT Technologies, Inc. | 145 |
61 |
LMK Technologies, LLC | 114 |
28 |
INA Acquisition Corp. | 134 |
25 |
Forge Tech, Inc. | 16 |
14 |
The Charles Machine Works, Inc. | 411 |
12 |
Sanexen Environmental Services Inc. | 39 |
11 |
Subsurface,Inc. | 21 |
11 |
Curapipe System Ltd. | 28 |
9 |
Picote Oy Ltd | 30 |
9 |
Saudi Arabian Oil Company | 11322 |
9 |
Shonan Gosei-Jushi Seisakusho K.K. | 44 |
9 |
SIPP Technologies, LLC | 26 |
9 |
Liqui-Force Services (Ontario) Inc. | 11 |
8 |
Mueller International, LLC | 694 |
8 |
Nu Flow Technologies 2000 Inc. | 33 |
8 |
GE-Hitachi Nuclear Energy Americas LLC | 406 |
6 |
NuFlow Technologies 2000 Inc | 9 |
6 |
Oceaneering International, Inc. | 413 |
6 |
Sekisui Chemical Co., Ltd. | 3159 |
6 |
TDW Delaware, Inc. | 163 |
6 |
Other owners | 526 |