- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 37/14 - Pumps specially adapted for elastic fluids and having pertinent characteristics not provided for in, or of interest apart from, groups for special use to obtain high vacuum
Patent holdings for IPC class F04B 37/14
Total number of patents in this class: 268
10-year publication summary
|
28
|
22
|
20
|
17
|
31
|
31
|
21
|
35
|
23
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Edwards Limited | 764 |
41 |
| Edwards Vacuum LLC | 155 |
12 |
| Ateliers Busch SA | 53 |
10 |
| Edwards Japan Limited | 376 |
9 |
| SAES Getters S.p.A. | 338 |
9 |
| Leybold GmbH | 293 |
9 |
| Pfeiffer Vacuum | 153 |
8 |
| Sumitomo Heavy Industries, Ltd. | 1670 |
7 |
| ColdQuanta, Inc., AKA ColdQuanta | 142 |
6 |
| Ebara Corporation | 1951 |
5 |
| Atlas Copco Airpower, naamloze vennootschap | 915 |
4 |
| National Oilwell Varco, L.P. | 1604 |
4 |
| Tae Technologies, Inc. | 220 |
4 |
| Shimadzu Corporation | 5791 |
3 |
| Adixen Vacuum Products | 19 |
3 |
| Oerlikon Leybold Vacuum GmbH | 117 |
3 |
| Pfeiffer Vacuum GmbH | 85 |
3 |
| Cryo H&i, Inc | 7 |
3 |
| The Boeing Company | 19843 |
2 |
| Koninklijke Philips N.V. | 22975 |
2 |
| Other owners | 121 |