Dust filter for gas meter
US-2024288294-A1 · Aug 29, 2024 · US
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ring shaped
ring shaped · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D29/055 |
| Official title | {ring shaped} |
| Display label | ring shaped |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2024 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filter retaining plug
US-12049910-B2 · Jul 30, 2024 · US
Integrated module with stage one and stage two filters combined in single housing
US-11918941-B2 · Mar 5, 2024 · US
Filtration head for a filter system and funnel for use in conjunction with a filtration head
US-11865477-B2 · Jan 9, 2024 · US
Integrated module with stage one and stage two filters combined in single housing
US-2022387913-A1 · Dec 8, 2022 · US
Integrated module with stage one and stage two filters combined in single housing
US-11458426-B2 · Oct 4, 2022 · US
Filter retaining plug
US-2021190097-A1 · Jun 24, 2021 · US
Filter retaining plug
US-10975894-B2 · Apr 13, 2021 · US
Filtration head for a filter system and funnel for use in conjunction with a filtration head
US-2021023481-A1 · Jan 28, 2021 · US
Mesh filter
US-10850215-B2 · Dec 1, 2020 · US
Filter for protecting bearing system and associated drive wheel end
US-2020340534-A1 · Oct 29, 2020 · US
Integrated module with stage one and stage two filters combined in single housing
US-2020246737-A1 · Aug 6, 2020 · US
Filter retaining plug
US-2019309770-A1 · Oct 10, 2019 · US
Mesh filter
US-2019151778-A1 · May 23, 2019 · US
Filter assembly for solenoid-actuated valve
US-2019091611-A1 · Mar 28, 2019 · US
Fuel inlet filter for fuel injectors
US-10060401-B2 · Aug 28, 2018 · US
Fuel inlet filter for fuel injectors
US-2017306913-A1 · Oct 26, 2017 · US
Application specific fuel filter
US-2017175692-A1 · Jun 22, 2017 · US
Filter member and a method of obtaining cells using the same
US-9546934-B2 · Jan 17, 2017 · US
Filter member and a method of obtaining cells using the same
US-2015087010-A1 · Mar 26, 2015 · US