Pressurized vapor cycle liquid distillation
US-11260316-B2 · Mar 1, 2022 · US
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Port members in the form of conical or cylindrical pieces situated in the centre of the impeller
Port members in the form of conical or cylindrical pieces situated in the centre of the impeller · 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 | F04C19/008 |
| Official title | {Port members in the form of conical or cylindrical pieces situated in the centre of the impeller} |
| Display label | Port members in the form of conical or cylindrical pieces situated in the centre of the impeller |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid ring vacuum pump
US-11143186-B2 · Oct 12, 2021 · US
Pressurized vapor cycle liquid distillation
US-11123654-B2 · Sep 21, 2021 · US
Pressurized Vapor Cycle Liquid Distillation
US-2021170299-A1 · Jun 10, 2021 · US
Pressurized vapor cycle liquid distillation
US-10905971-B2 · Feb 2, 2021 · US
Pressurized Vapor Cycle Liquid Distillation
US-2020360832-A1 · Nov 19, 2020 · US
Pressurized vapor cycle liquid distillation
US-10765963-B2 · Sep 8, 2020 · US
Liquid ring vacuum pump
US-2020141410-A1 · May 7, 2020 · US
Pressurized Vapor Cycle Liquid Distillation
US-2019381420-A1 · Dec 19, 2019 · US
Pressurized vapor cycle liquid distillation
US-10507403-B2 · Dec 17, 2019 · US
Pressurized vapor cycle liquid distillation
US-10179298-B2 · Jan 15, 2019 · US
Locally Powered Water Distillation System
US-2017210637-A1 · Jul 27, 2017 · US
Locally powered water distillation system
US-9617167-B2 · Apr 11, 2017 · US
Liquid ring heat engine
US-9540936-B2 · Jan 10, 2017 · US
Locally Powered Water Distillation System
US-2016185617-A1 · Jun 30, 2016 · US
Pressurized Vapor Cycle Liquid Distillation
US-2016067629-A1 · Mar 10, 2016 · US
Locally powered water distillation system
US-9278868-B2 · Mar 8, 2016 · US
Pressurized vapor cycle liquid distillation
US-9186598-B2 · Nov 17, 2015 · US
Method and apparatus for phase change enhancement
US-9005393-B2 · Apr 14, 2015 · US