Duckbill aerosol separator with always open refinement
US-11994049-B2 · May 28, 2024 · US
using compression or decompression of the gas
using compression or decompression of the gas · 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 | F01M2013/045 |
| Official title | {using compression or decompression of the gas} |
| Display label | using compression or decompression of the gas |
| Total patents | 28 |
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 | 3 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Separation assembly with multiple separators and a single jet pump assembly
US-11828213-B2 · Nov 28, 2023 · US
Duckbill aerosol separator with always open refinement
US-2023279796-A1 · Sep 7, 2023 · US
Duckbill aerosol separator with always open refinement
US-11624302-B2 · Apr 11, 2023 · US
Separation Assembly with Multiple Separators and a Single Jet Pump Assembly
US-2023091372-A1 · Mar 23, 2023 · US
Duckbill aerosol separator with always open refinement
US-2022154608-A1 · May 19, 2022 · US
Filter insert as well as fluid filter
US-11154805-B2 · Oct 26, 2021 · US
Breather chamber structure and engine
US-11015501-B2 · May 25, 2021 · US
Oil separator
US-10815849-B2 · Oct 27, 2020 · US
Engine
US-2020208552-A1 · Jul 2, 2020 · US
Breather chamber structure and engine
US-2020208554-A1 · Jul 2, 2020 · US
Engine
US-10415443-B2 · Sep 17, 2019 · US
Liquid mist separation device
US-10300416-B2 · May 28, 2019 · US
Filter Insert as well as Fluid Filter
US-2019111371-A1 · Apr 18, 2019 · US
Liquid mist separation device
US-2019070543-A1 · Mar 7, 2019 · US
Oil separator
US-10087798-B2 · Oct 2, 2018 · US
Oil separator
US-10082057-B2 · Sep 25, 2018 · US
Oil separator
US-2018142591-A1 · May 24, 2018 · US
Oil separator
US-9890675-B2 · Feb 13, 2018 · US
Oil separator
US-9810116-B2 · Nov 7, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01M2013/045?
- CPC F01M2013/045 is the Cooperative Patent Classification code for “using compression or decompression of the gas.”
- How many patents are filed under CPC F01M2013/045 (using compression or decompression of the gas)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC F01M2013/045 growing?
- Publication counts under this code: 4 in 2023 vs 1 in 2024 (latest complete years).