Oxidative coupling of methane for olefin production
US-11505514-B2 · Nov 22, 2022 · US
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Steam superheaters characterised by location, arrangement, or disposition
Steam superheaters characterised by location, arrangement, or disposition · 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 | F22G7/00 |
| Official title | Steam superheaters characterised by location, arrangement, or disposition |
| Display label | Steam superheaters characterised by location, arrangement, or disposition |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oxidative coupling of methane for olefin production
US-2021094892-A1 · Apr 1, 2021 · US
Oxidative coupling of methane for olefin production
US-10870611-B2 · Dec 22, 2020 · US
Oxidative coupling of methane for olefin production
US-2020189994-A1 · Jun 18, 2020 · US
Annealing system and method
US-10643867-B2 · May 5, 2020 · US
Exhaust gas treatment system and method, as well as ship comprising, and use of, such a system
US-10533473-B2 · Jan 14, 2020 · US
Oxidative coupling of methane for olefin production
US-10407361-B2 · Sep 10, 2019 · US
Annealing system and method
US-2019139793-A1 · May 9, 2019 · US
Oxidative coupling of methane for olefin production
US-2018327334-A1 · Nov 15, 2018 · US
Oxidative coupling of methane for olefin production
US-9944573-B2 · Apr 17, 2018 · US
Exhaust gas treatment system and method, as well as ship comprising, and use of, such a system
US-2017362985-A1 · Dec 21, 2017 · US
Oxidative coupling of methane for olefin production
US-2017297975-A1 · Oct 19, 2017 · US
Method and apparatus for generating steam for the recovery of hydrocarbon
US-9593563-B2 · Mar 14, 2017 · US