- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16L - Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means for thermal insulation in general
- F16L 55/033 - Noise absorbers
Patent holdings for IPC class F16L 55/033
Total number of patents in this class: 254
10-year publication summary
25
|
33
|
21
|
26
|
27
|
21
|
18
|
13
|
17
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Fisher Controls International LLC | 1520 |
10 |
Robert Bosch GmbH | 40953 |
8 |
HYDAC Technology GmbH | 221 |
6 |
Umfotec GmbH | 18 |
6 |
FUJIFILM Corporation | 27102 |
4 |
Samsung Electronics Co., Ltd. | 131630 |
3 |
3m Innovative Properties Company | 18406 |
3 |
Mitsubishi Electric Corporation | 43934 |
3 |
Hilti Aktiengesellschaft | 3227 |
3 |
Deutsches Institut fur Lebensmitteltechnik e.V. | 57 |
3 |
Hanon Systems | 1632 |
3 |
Henn GmbH & Co. KG | 75 |
3 |
Tetra Laval Holdings & Finance S.A. | 2007 |
3 |
Umfotec Umformtechnik GmbH | 3 |
3 |
Zhejiang DunAn Artificial Environment Co., Ltd | 394 |
3 |
Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1407 |
3 |
Meyer Utility Structures LLC | 28 |
3 |
DENKER, Dietrich | 5 |
3 |
Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 288 |
3 |
Illinois Tool Works Inc. | 11152 |
2 |
Other owners | 176 |