Patent holdings for IPC class F04C 18/12

Total number of patents in this class: 299

10-year publication summary

25
27
30
35
27
38
30
27
17
11
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Edwards Limited
791
60
Pfeiffer Vacuum
170
39
Eaton Intelligent Power Limited
5979
30
Leybold GmbH
296
12
Ateliers Busch SA
51
10
Toyota Industries Corporation
1112
8
Jurop S.p.A.
16
8
Eaton Corporation
1820
7
Gardner Denver Schopfheim GmbH
17
7
Oerlikon Leybold Vacuum GmbH
106
7
Elivac Inc.
9
6
Elivac, Co., Ltd.,
9
6
Atlas Copco Airpower, naamloze vennootschap
1026
5
Raymond Zhou Shaw
5
4
Edwards, s.r.o.
21
4
Hugo Vogelsang Maschinenbau GmbH
64
3
NOK Corporation
2215
3
Ingersoll-Rand Industrial U.S., Inc.
503
3
Edwards Korea Ltd.
11
3
Industrial Technologies and Services, LLC
167
3
Other owners 71