Patent holdings for IPC class E05C 9/04

Total number of patents in this class: 404

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.
410
44
Southco, Inc.
254
13
Chatsworth Products, Inc.
222
12
Sargent Manufacturing Company
235
12
Endura Products, LLC
216
12
Ford Global Technologies, LLC
20826
10
Schlage Lock Company LLC
1360
10
B/E Aerospace, Inc.
1673
8
Cmech (Guangzhou) Ltd.
51
6
Dirak Dieter Ramsauer Konstruktionselemente GmbH & Co. KG
46
6
Amesbury Group, Inc.
83
5
ASSA ABLOY Sicherheitstechnik GmbH
120
5
EMKA Beschlagteile GmbH & Co. KG
91
5
Nifco Inc.
1108
5
Hyundai Motor Company
22610
4
Andersen Corporation
274
4
Compumeric Engineering, Inc.
23
4
Justrite Manufacturing Company, L.L.C.
109
4
Rittal GmbH & Co. KG
621
4
Leer Group
115
4
Other owners 227