Patent holdings for IPC class F16J 15/3276

Total number of patents in this class: 92

10-year publication summary

16
11
10
10
9
5
4
7
4
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
NOK Corporation
2296
10
NTN Corporation
4915
7
Aktiebolaget SKF
3126
6
Trelleborg Sealing Solutions Germany GmbH
187
4
ElringKlinger AG
574
3
SEW-EURODRIVE GmbH & Co. KG
2033
3
Schaeffler Technologies AG & Co. KG
10948
2
A.W. Chesterton Company
94
2
Carl Freudenberg KG
1486
2
Eagle Industry Co., Ltd.
1176
2
ElringKlinger Kunststofftechnik GmbH
32
2
Freudenberg-NOK General Partnership
150
2
Spicer Gelenkwellenbau GmbH
13
2
Tenute S.r.l.
7
2
VR Automotive Dichtungssysteme GmbH
9
2
AIGI Environmental Inc.
12
2
Inpro/Seal LLC
103
2
Atlas Seals, Inc.
4
2
Halliburton Energy Services, Inc.
21320
1
Robert Bosch GmbH
44128
1
Other owners 33