Patent holdings for IPC class E01C 23/22

Total number of patents in this class: 146

10-year publication summary

15
19
15
15
17
14
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.
1256
22
Raid One IP LLC
34
9
Seescan, Inc.
552
7
Swozi AG
10
5
Micropply Limited
42
5
LimnTech LLC
17
4
TORC Robotics, Inc.
320
4
Tinymobilerobots ApS
22
4
Apex Brands, Inc.
746
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
12
3
Illinois Tool Works Inc.
11745
2
AT&T Intellectual Property I, L.P.
9871
2
Hewlett-Packard Development Company, L.P.
25337
2
Ricoh Company, Ltd.
13299
2
Digital Line Markers FZE
8
2
Other owners 55