System and method for equalizing pressure in ionization chamber of radiation device
US-12516765-B2 · Jan 6, 2026 · US
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making use of a bellows or an expansible folded or corrugated tube
making use of a bellows or an expansible folded or corrugated tube · 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 | F16L51/02 |
| Official title | making use of a bellows or an expansible folded or corrugated tube |
| Display label | making use of a bellows or an expansible folded or corrugated tube |
| Total patents | 22 |
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 | 1 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Connecting system for connecting components in an aircraft
US-12241574-B2 · Mar 4, 2025 · US
System and method for equalizing pressure in ionization chamber of radiation device
US-2024110655-A1 · Apr 4, 2024 · US
System and method for equalizing pressure in ionization chamber of radiation device
US-11841104-B2 · Dec 12, 2023 · US
Vacuum pump and piping structural portion for vacuum pump
US-2023107183-A1 · Apr 6, 2023 · US
Connecting system for connecting components in an aircraft
US-2023100434-A1 · Mar 30, 2023 · US
Compensator arrangement for transport systems
US-11441718-B2 · Sep 13, 2022 · US
System and method for equalizing pressure in ionization chamber of radiation device
US-2021325917-A1 · Oct 21, 2021 · US
Irrigation boot assembly
US-11118686-B2 · Sep 14, 2021 · US
Compensator arrangement for transport systems
US-2021199225-A1 · Jul 1, 2021 · US
Expansion compensator
US-10697575-B2 · Jun 30, 2020 · US
Decompression heat-insulating pipe structure
US-10443776-B2 · Oct 15, 2019 · US
Irrigation boot assembly
US-2019040981-A1 · Feb 7, 2019 · US
Suspended pipe assembly
US-10139017-B2 · Nov 27, 2018 · US
Decompression heat-insulating pipe structure
US-2018231170-A1 · Aug 16, 2018 · US
Suspended pipe assembly
US-2018100606-A1 · Apr 12, 2018 · US
Solar heat collection tube
US-9903612-B2 · Feb 27, 2018 · US
Suspended pipe assembly
US-9885430-B1 · Feb 6, 2018 · US
Method of installing an expansion compensator and an expansion compensator
US-2017191597-A1 · Jul 6, 2017 · US
Suspended pipe assembly
US-9683680-B1 · Jun 20, 2017 · US