Patent holdings for IPC class E01F 9/529

Total number of patents in this class: 78

10-year publication summary

6
10
16
22
13
13
16
8
8
6
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Traffix Devices, Inc.
183
14
Plastic Safety Systems, Inc.
54
13
Board of Regents of The Nevada System of Higher Education, on Behalf of The University of Nevada, Las Vegas
150
3
Driskell Holdings LLC
4
3
3m Innovative Properties Company
17857
2
Brady Corporation Limited
32
2
Roadcare Co.,Ltd.
2
2
Speed Spots LLC
2
2
International Business Machines Corporation
61207
1
Ford Global Technologies, LLC
20520
1
Compagnie générale des établissements Michelin SCA
2567
1
University of Florida Research Foundation, Inc.
4007
1
Boe Technology Group Co., Ltd.
40912
1
Amosense Co., Ltd.
483
1
Beijing BOE Optoelectronics Technology Co., Ltd.
3881
1
Champagne Edition Inc.
22
1
Edeva AB
5
1
Evolutionary Markings, Inc.
4
1
Federal Signal Corporation
231
1
Innovative Patents Ltd.
3
1
Other owners 25