Patent holdings for IPC class E03F 5/14

Total number of patents in this class: 417

10-year publication summary

30
26
46
32
37
40
34
17
22
9
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Advanced Drainage Systems, Inc.
373
36
Contech Engineered Solutions LLC
280
20
Oldcastle Infrastructure, Inc.
101
14
Hydro International plc
32
13
Huber SE
100
8
Smith & Loveless, Inc.
118
7
Fabco Industries, Inc.
9
6
StormTrap LLC
33
6
Utsunomiya Kogyo Co., Ltd.
14
6
Hydro Component Systems, LLC
8
5
Upstream Technologies, Inc.
14
5
Landroad Inc
8
5
Stormwater360 Group Limited
13
5
Chongqing University
293
4
KSB SE & Co. KGaA
712
4
Rockwool A/S
815
4
Wuhan Shengyu Drainage System Co., Ltd.
19
4
Decast Ltd.
16
3
Ehl Limited
3
3
Epic Cleantec Inc.
14
3
Other owners 256