Full-metal anti-high temperature cycloid downhole motor
US-11525443-B1 · Dec 13, 2022 · US
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Copper or alloys thereof
Copper or alloys thereof · 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 | F05C2201/0475 |
| Official title | Copper or alloys thereof |
| Display label | Copper or alloys thereof |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 5 |
| 2022 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Full-metal anti-high temperature cycloid downhole motor
US-2022389819-A1 · Dec 8, 2022 · US
Piston compression rings of copper-nickel-tin alloys
US-10837554-B2 · Nov 17, 2020 · US
Method for producing a swashplate
US-10792733-B2 · Oct 6, 2020 · US
Sintered ferrous alloy valve seat exhibiting excellent thermal conductivity for use in internal combustion engine
US-2020284173-A1 · Sep 10, 2020 · US
Piston having an undercrown surface with coating and method of manufacture thereof
US-10731598-B2 · Aug 4, 2020 · US
Piston having an undercrown surface with coating and method of manufacture thereof
US-2020123998-A1 · Apr 23, 2020 · US
Swash plate and method of manufacturing swash plate
US-10408202-B2 · Sep 10, 2019 · US
Stators for downhole motors, methods for fabricating the same, and downhole motors incorporating the same
US-10233926-B2 · Mar 19, 2019 · US
Piston for internal combustion engine
US-10174711-B2 · Jan 8, 2019 · US
Piston compression rings of copper-nickel-tin alloys
US-2018195612-A1 · Jul 12, 2018 · US
Piston compression rings of copper-beryllium alloys
US-2018195613-A1 · Jul 12, 2018 · US
Method for producing a swashplate
US-2018154449-A1 · Jun 7, 2018 · US
Bearing faces with fluid channels for gear pumps
US-2018142685-A1 · May 24, 2018 · US
Aluminum alloy with low density and high heat resistance
US-9896747-B2 · Feb 20, 2018 · US
Bearing faces with fluid channels for gear pumps
US-9874208-B2 · Jan 23, 2018 · US
Swash plate and production method of the same
US-9657818-B2 · May 23, 2017 · US
Swash plate and method of manufacturing swash plate
US-2017130709-A1 · May 11, 2017 · US
Bearing faces with fluid channels for gear pumps
US-2016208611-A1 · Jul 21, 2016 · US
Aluminum alloy with low density and high heat resistance
US-2015144227-A1 · May 28, 2015 · US