Asymmetric gas bearing bushing for thermo-pump
US-12448963-B2 · Oct 21, 2025 · US
Seals or sealing arrangements
Seals or sealing arrangements · 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 | F02G1/0535 |
| Official title | {Seals or sealing arrangements} |
| Display label | Seals or sealing arrangements |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2018 | 7 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Slow actuation mechanoliquid piston heat pump
US-2025172107-A1 · May 29, 2025 · US
Stirling cycle machine
US-2025067230-A1 · Feb 27, 2025 · US
Asymmetric gas bearing bushing for thermo-pump
US-2024337259-A1 · Oct 10, 2024 · US
Stirling cycle machine
US-12078123-B2 · Sep 3, 2024 · US
Reciprocating heat engine with hot cylinder head and cold cylinder
US-12000357-B2 · Jun 4, 2024 · US
Moteur thermique alternatif a culasse chaude et cylindre froid
US-2023304456-A1 · Sep 28, 2023 · US
Expander system
US-11767784-B2 · Sep 26, 2023 · US
Reinforced sealing rings
US-11746904-B2 · Sep 5, 2023 · US
Stirling engine
US-2023147340-A1 · May 11, 2023 · US
Expander system
US-2022213828-A1 · Jul 7, 2022 · US
Reinforced sealing rings
US-2022074493-A1 · Mar 10, 2022 · US
Reinforced sealing rings
US-11193588-B2 · Dec 7, 2021 · US
Articulated plenum for transfer-expansion-regeneration combustion engine
US-11187184-B2 · Nov 30, 2021 · US
Reinforced sealing rings
US-2020362966-A1 · Nov 19, 2020 · US
Double-working-medium expander used for two-stage organic Rankine cycle
US-10801324-B2 · Oct 13, 2020 · US
Articulated plenum
US-2020309064-A1 · Oct 1, 2020 · US
Reinforced sealing rings
US-10731759-B2 · Aug 4, 2020 · US
Stirling Cycle Machine
US-2019376468-A1 · Dec 12, 2019 · US
Atmospheric storage and transfer of thermal energy
US-10082104-B2 · Sep 25, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02G1/0535?
- CPC F02G1/0535 is the Cooperative Patent Classification code for “Seals or sealing arrangements.”
- How many patents are filed under CPC F02G1/0535 (Seals or sealing arrangements)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC F02G1/0535 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).