- 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 9/08 - Rigid pipes of concrete, cement, or asbestos cement, with or without reinforcement
Patent holdings for IPC class F16L 9/08
Total number of patents in this class: 39
10-year publication summary
8
|
6
|
3
|
5
|
7
|
5
|
3
|
3
|
2
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Advanced Drainage Systems, Inc. | 304 |
4 |
Construction Research & Technology GmbH | 640 |
3 |
Hawkeye Concrete Products Co. | 6 |
2 |
Hawkeyepedershaab Concrete Technologies, Inc. | 28 |
2 |
Johann Bartlechner KG | 3 |
2 |
University of Maine System Board of Trustees | 261 |
2 |
FSC Technologies, LLC | 9 |
2 |
Pf3 Global, LLC | 5 |
2 |
Spartan Acquisition LLC | 14 |
2 |
Ameron International Corporation | 11 |
1 |
Duktus Rohrsysteme Wetzlar GmbH | 7 |
1 |
Engineered Wire Products, Inc. | 2 |
1 |
IFP Energies Nouvelles | 2717 |
1 |
Jensen Enterprises, Inc. | 13 |
1 |
Lyonnaise des Eaux France | 10 |
1 |
Saint-Gobain Pam | 102 |
1 |
Schlusselbauer, Johann | 6 |
1 |
Smith, Murray W. | 4 |
1 |
PREDL GmbH | 17 |
1 |
Schlusselbauer, Ulrich | 5 |
1 |
Other owners | 7 |