- All sections
- E - Fixed constructions
- E02D - Foundations; excavations; embankments; underground or underwater structures
- E02D 29/02 - Retaining or protecting walls
Patent holdings for IPC class E02D 29/02
Total number of patents in this class: 838
10-year publication summary
74
|
63
|
74
|
90
|
97
|
80
|
72
|
76
|
57
|
16
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Terre Armee Internationale | 48 |
38 |
Keystone Retaining Wall Systems LLC | 228 |
35 |
Hesco Bastion Limited | 69 |
19 |
Anchor Wall Systems, Inc. | 227 |
16 |
Soletanche Freyssinet | 480 |
16 |
Tensar International Corporation | 118 |
15 |
Les Materiaux de Construction Oldcastle Canada Inc. | 28 |
14 |
Pavestone, LLC | 76 |
13 |
Contech Engineered Solutions LLC | 208 |
11 |
T & B Structural Systems LLC | 14 |
11 |
Earth Wall Products, LLC | 23 |
9 |
Oldcastle Building Products Canada, Inc. | 169 |
9 |
RISI Stone Inc. | 54 |
9 |
Keystone Retaining Wall Systems, Inc. | 36 |
8 |
AWT IP, LLC | 12 |
7 |
Officine Maccaferri S.p.A. | 100 |
7 |
Tricon Precast, Ltd., Tricon Management Corp., a Texas corporation | 16 |
7 |
Levee Lock, LLC | 7 |
7 |
Hanforce. Co.,Ltd | 11 |
6 |
Mortarless Technologies, LLC | 79 |
6 |
Other owners | 575 |