Method of producing anti-scaling and anti-galling coating on an internal surface of a tubular member
US-2025257839-A1 · Aug 14, 2025 · US
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by ceramic or vitreous materials
by ceramic or vitreous materials · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16L58/14 |
| Official title | by ceramic or vitreous materials |
| Display label | by ceramic or vitreous materials |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat exchange tube of waste heat boiler
US-11796170-B2 · Oct 24, 2023 · US
Methods of conducting coiled tubing operations
US-11512539-B2 · Nov 29, 2022 · US
Metallic laminate shaped flow path member and method of manufacturing the same
US-2022363595-A1 · Nov 17, 2022 · US
Heat exchange tube of waste heat boiler
US-2022243908-A1 · Aug 4, 2022 · US
Methods of conducting coiled tubing operations
US-2021189807-A1 · Jun 24, 2021 · US
Spray pipe, desulfurization apparatus provided with the spray pipe, and inspection method for the desulfurization apparatus
US-2020384407-A1 · Dec 10, 2020 · US
Protective aluminum oxide surface coatings and low-temperature forming process for high-temperature applications
US-10577694-B2 · Mar 3, 2020 · US
Reforming tube comprising an insert affording protection against corrosion
US-10421057-B2 · Sep 24, 2019 · US
Surface treatment method and device treated thereby
US-10138434-B2 · Nov 27, 2018 · US
Reforming tube comprising an insert affording protection against corrosion
US-2018229206-A1 · Aug 16, 2018 · US
Hydrate deposit inhibition with surface-chemical combination
US-10036489-B2 · Jul 31, 2018 · US
Protective aluminum oxide surface coatings and low-temperature forming process for high-temperature applications
US-2018187311-A1 · Jul 5, 2018 · US
Rotary distributor for distributing free-flowing media
US-9708168-B2 · Jul 18, 2017 · US
Heat releasing pipe
US-9534710-B2 · Jan 3, 2017 · US
Composite particles comprising a conductive coating of PEDOT/PSS, methods of making, and articles including the same
US-9490041-B2 · Nov 8, 2016 · US
Surface treatment method and device treated thereby
US-2016304796-A1 · Oct 20, 2016 · US
Heat releasing pipe
US-2016033057-A1 · Feb 4, 2016 · US
Rotary distributor for distributing free-flowing media
US-2015375981-A1 · Dec 31, 2015 · US
Exhaust pipe
US-9188251-B2 · Nov 17, 2015 · US