Patent holdings for IPC class E01C 19/26

Total number of patents in this class: 192

10-year publication summary

17
19
25
22
15
17
29
14
10
6
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Caterpillar Paving Products Inc.
628
37
Hamm AG
160
35
BOMAG GmbH
405
17
Caterpillar Inc.
8877
14
Hitachi Construction Machinery Co., Ltd.
2498
6
Somero Enterprises, Inc.
83
6
Volvo Construction Equipment AB
1172
6
Ligchine International Corporation
42
5
Wirtgen GmbH
507
5
Tru-Turf Pty Ltd
18
3
AG Shield Ltd
14
3
Wacker Neuson America Corporation
22
3
Honda Motor Co., Ltd.
24537
2
American-Iowa Manufacturing Inc.
5
2
Ammann Schweiz AG
67
2
The Charles Machine Works, Inc.
411
2
Hunan Zoomlion Special Vehicle Co., Ltd.
361
2
Joseph vogele AG
304
2
Sakai Heavy Industries, Ltd.
24
2
Wacker Neuson Corporation
13
2
Other owners 36