Patent holdings for IPC class E01C 23/22

Total number of patents in this class: 147

10-year publication summary

14
18
15
15
15
12
13
18
9
3
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Graco Minnesota Inc.
1255
22
Raid One IP LLC
34
9
Seescan, Inc.
548
7
Swozi AG
10
5
Micropply Limited
42
5
LimnTech LLC
17
4
TORC Robotics, Inc.
297
4
Tinymobilerobots ApS
22
4
Apex Brands, Inc.
742
3
Capstan Ag Systems, Inc.
107
3
Federal Signal Corporation
222
3
Fleet (Line Markers) Limited
9
3
Laserline Mfg., Inc.
9
3
Seymour of Sycamore, Inc.
23
3
Damar Industries Limited
13
3
Illinois Tool Works Inc.
11710
2
AT&T Intellectual Property I, L.P.
9832
2
Hewlett-Packard Development Company, L.P.
25393
2
Ricoh Company, Ltd.
13305
2
Digital Line Markers FZE
8
2
Other owners 56