Patent holdings for IPC class C09K 21/02

Total number of patents in this class: 659

10-year publication summary

57
43
56
43
32
53
42
40
44
16
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Mighty Fire Breaker LLC
95
31
Sekisui Chemical Co., Ltd.
3581
19
Martinswerk GmbH
44
18
3m Innovative Properties Company
17511
13
Pilkington Group Limited
779
9
Perimeter Solutions LP, Perimeter Solutions Inc., a Delaware corporation
133
9
Unifrax I LLC
240
8
Sumitomo Electric Industries, Ltd.
16071
7
Sumitomo Wiring Systems, Ltd.
10767
7
Adeka Corporation
1367
7
Aspen Aerogels, Inc.
258
7
AutoNetworks Technologies, Ltd.
6922
7
BASF SE
21129
6
AGC Glass Europe
1158
6
Konoshima Chemical Co., Ltd.
62
6
Tremco illbruck Limited
9
6
Hilti Aktiengesellschaft
3580
5
Hexion Inc.
230
5
LS Cable & System Ltd.
401
5
S.A. Lhoist Recherche et Developpement
194
5
Other owners 473