Patent holdings for IPC class E05C 9/04

Total number of patents in this class: 405

10-year publication summary

29
42
40
36
45
38
38
37
31
15
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Piolax Inc.
405
44
Southco, Inc.
250
13
Chatsworth Products, Inc.
220
12
Sargent Manufacturing Company
236
12
Endura Products, LLC
214
12
Ford Global Technologies, LLC
20676
10
Schlage Lock Company LLC
1335
10
B/E Aerospace, Inc.
1663
8
Cmech (Guangzhou) Ltd.
51
6
Dirak Dieter Ramsauer Konstruktionselemente GmbH & Co. KG
46
6
Amesbury Group, Inc.
83
5
ASSA ABLOY Sicherheitstechnik GmbH
122
5
EMKA Beschlagteile GmbH & Co. KG
91
5
Nifco Inc.
1106
5
Hyundai Motor Company
22167
4
Andersen Corporation
271
4
Compumeric Engineering, Inc.
23
4
Justrite Manufacturing Company, L.L.C.
109
4
Rittal GmbH & Co. KG
603
4
Leer Group
112
4
Other owners 228