Patent holdings for IPC class E01C 19/02

Total number of patents in this class: 67

10-year publication summary

9
4
8
2
7
1
4
1
4
3
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Caterpillar Paving Products Inc.
705
5
A.L.M. Holding Company
84
4
Ergon Asphalt & Emulsions, Inc.
119
4
Maeda Road Construction Co., Ltd
22
3
Wirtgen America, Inc.
24
3
Wirtgen GmbH
518
3
Flint Hills Resources, LP
22
2
Ammann Schweiz AG
81
2
Asenco NV
2
2
Donelson Construction Co., LLC
10
2
GOMACO Corporation
61
2
Joseph vogele AG
330
2
Jungang Ascon Co., Ltd.
4
2
Kao Corporation
5056
1
Board of Regents, The University of Texas System
6065
1
AggreBind Inc.
6
1
Ammann Italy S.p.A.
5
1
Astec, Inc.
50
1
Astec Industries, Inc.
92
1
Carlson Paving Products, Inc.
9
1
Other owners 24