Patent holdings for IPC class E01C 19/12

Total number of patents in this class: 90

10-year publication summary

8
3
7
6
3
4
5
2
1
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Joseph vogele AG
329
8
Hunan Zoomlion Special Vehicle Co., Ltd.
361
7
Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd.
195
6
Caterpillar Paving Products Inc.
686
4
Donelson Construction Co., LLC
10
3
GOMACO Corporation
60
3
Hunan Sany Intelligent Control Equipment Co., Ltd.
345
3
Sany Heavy Industry Co., Ltd.
240
3
Heritage Research Group, LLC
64
3
Ligchine International Corporation
51
2
Sno-Way International, Inc.
62
2
BOMAG Marini Equipamentos Ltda
3
2
9432-0090 Quebec Inc.
3
2
Dow Global Technologies LLC
10707
1
Addibots LLC
4
1
Ammann Schweiz AG
80
1
BOMAG GmbH
402
1
Carlson Paving Products, Inc.
9
1
CertusView Technologies, LLC
186
1
Colas
159
1
Other owners 35