Patent holdings for IPC class E01H 1/04

Total number of patents in this class: 110

10-year publication summary

18
13
18
13
6
11
4
6
7
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Aero-Tech Pty Ltd.
17
9
Husqvarna AB
3036
6
Roadtec, Inc.
93
6
Dulevo International S.p.A.
22
4
Federal Signal Corporation
244
4
Schwarze Industries LLC
9
4
Agri-Fab, Inc.
26
3
Nilfisk A/S
168
3
Honda Motor Co., Ltd.
26090
2
9089-1557 Quebec Inc. (Entretien de Stationnement M.A.)
2
2
Alfred Kärcher GmbH & Co. KG
348
2
Harper Industries, Inc.
18
2
Howa Machinery, Ltd.
32
2
Remark Technologies, Inc.
5
2
SAS Dairon
2
2
Schwarze Industries, Inc.
2
2
SMG Sportplatzmaschinenbau GmbH
51
2
Tennant Company
262
2
TYMCO, Inc.
25
2
Vestergaard Company A/S
28
2
Other owners 47