Patent holdings for IPC class E01C 19/48

Total number of patents in this class: 783

10-year publication summary

72
53
80
74
74
56
50
46
60
33
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Caterpillar Paving Products Inc.
733
139
Joseph vogele AG
332
132
Wirtgen GmbH
518
64
Sumitomo Construction Machinery Co., Ltd.
242
32
GOMACO Corporation
61
24
BOMAG GmbH
398
23
MOBA Mobile Automation AG
67
18
Axenox, LLC.
40
16
Volvo Construction Equipment AB
1226
15
Sumitomo(s.h.i.) Construction Machinery Co., Ltd.
243
13
Roadtec, Inc.
93
12
Ammann Schweiz AG
81
11
Guntert & Zimmerman Const. Div., Inc.
19
11
Dynapac GmbH
11
8
Ammann Switzerland Ltd.
18
8
Ammann Switzerland AG
12
8
Caterpillar Inc.
10316
6
Hunan Zoomlion Special Vehicle Co., Ltd.
361
6
Leica Geosystems AG
596
6
ABG Allgemeine Baumaschinen-Gesellschaft mbH
10
5
Other owners 226