Français Register Login

  • All sections
  • F - Mechanical engineeringlightingheatingweaponsblasting
  • F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
  • F16L 17/08 - Metal sealing rings

Patent holdings for IPC class F16L 17/08

Total number of patents in this class: 40

10-year publication summary

0
9
3
7
1
3
3
1
2
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
National Coupling Company, Inc.
59
4
TDW Delaware, Inc.
165
3
Rohr, Inc.
773
2
Saudi Arabian Oil Company
14305
2
De Pretto Industrie S.R.L.
5
2
Microflex Technologies, Inc.
9
2
Baker Hughes Energy Technology UK Limited
271
2
Innovex International, Inc
128
2
Chevron U.S.A. Inc.
4159
1
AFGlobal UK Limited
3
1
A.L.M.T. Corp.
242
1
Freudenberg Oil & Gas, LLC
36
1
GE Oil & Gas UK Limited
130
1
Hoffman Enclosures, Inc.
195
1
NOK Corporation
2307
1
Oil States Energy Services, L.L.C.
71
1
OneSubsea IP UK Limited
440
1
Petrotechnologies, Inc.
16
1
Sandvik Intellectual Property AB
1392
1
Trendsetter Engineering, Inc.
51
1
Other owners 9

  • ipowner home
  • ipqwery home
  • contact us
  • privacy policy
  • terms and conditions
© 2026 IPQwery All rights reserved