- 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 19/12 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered with additional sealing means
Patent holdings for IPC class F16L 19/12
Total number of patents in this class: 61
10-year publication summary
4
|
2
|
11
|
8
|
4
|
2
|
7
|
4
|
2
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Victaulic Company | 664 |
8 |
Swagelok Company | 325 |
6 |
Mueller International, LLC | 694 |
5 |
Daikin Industries, Ltd. | 9495 |
3 |
A. Y. McDonald Mfg. Co. (an Iowa corporation) | 19 |
3 |
Higashio Mech Co., Ltd. | 14 |
3 |
Parker-Hannifin Corporation | 999 |
3 |
Reinke Manufacturing Company, Inc. | 39 |
3 |
Walter Stauffenberg GmbH & Co. KG | 51 |
3 |
Effebi S.p.A. | 32 |
2 |
Acorn Engineering Company | 167 |
1 |
Adel Wiggins Group | 14 |
1 |
Bridgeport Fittings, Inc. | 48 |
1 |
Cambridge Brass, Inc. | 14 |
1 |
Crane Limited | 44 |
1 |
Inoue Sudare Co., Ltd. | 4 |
1 |
Jung Woo Metal Ind. Co., Ltd. | 11 |
1 |
Mecanique Analytique Inc. | 55 |
1 |
Parker Hannifin Manufacturing Germany GmbH & Co. KG | 40 |
1 |
Parker Intangibles LLC | 1237 |
1 |
Other owners | 12 |