Inflatable with elastic constraint tethers
US-2023383811-A1 · Nov 30, 2023 · US
in a chamber with a flexible wall {(producing hollow articles of plastics, e.g. air bellows, B29D22/00)}
in a chamber with a flexible wall {(producing hollow articles of plastics, e.g. air bellows, B29D22/00)} · 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 | F16F9/04 |
| Official title | in a chamber with a flexible wall {(producing hollow articles of plastics, e.g. air bellows, B29D22/00)} |
| Display label | in a chamber with a flexible wall {(producing hollow articles of plastics, e.g. air bellows, B29D22/00)} |
| Total patents | 77 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 9 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 7 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filter device and fixing means comprising a filter device of this type
US-11471809-B2 · Oct 18, 2022 · US
Brake system damping device with a passage in a separating element
US-11434963-B2 · Sep 6, 2022 · US
Gas spring sensors using millimeter wavelength radar and gas spring assemblies and suspension systems including same
US-2022268913-A1 · Aug 25, 2022 · US
Suspension device
US-2022242185-A1 · Aug 4, 2022 · US
Sealing device and drive apparatus including the same
US-2022025950-A1 · Jan 27, 2022 · US
Metal diaphragm damper
US-11231138-B2 · Jan 25, 2022 · US
Metal diaphragm damper
US-2021285589-A1 · Sep 16, 2021 · US
Elastomeric articles with improved fire protection properties
US-11111979-B2 · Sep 7, 2021 · US
Air spring, in particular for a vehicle, vehicle with at least one such air spring and method for operating such an air spring
US-2021172494-A1 · Jun 10, 2021 · US
Shock absorber and laundry treatment device comprising shock absorber
US-2021148433-A1 · May 20, 2021 · US
Rolling lobe seal for an air spring assembly
US-2021062886-A1 · Mar 4, 2021 · US
Brake System Damping Device with a Passage in a Separating Element
US-2021054890-A1 · Feb 25, 2021 · US
Inertia compensation for a reciprocating mowing sickle
US-10912254-B2 · Feb 9, 2021 · US
Tube catcher for a hot forming machine and hot forming machine
US-10844924-B2 · Nov 24, 2020 · US
Filter device and fixing means comprising a filter device of this type
US-2020353400-A1 · Nov 12, 2020 · US
Assembly having a gas spring for a cable rotary-pendulum kinematic system and use of the assembly for switching
US-10818453-B2 · Oct 27, 2020 · US
Spring- and damping arrangement for a motorcycle
US-10682893-B2 · Jun 16, 2020 · US
Assembly having a gas spring for a cable rotary-pendulum kinematic system and use of the assembly for switching
US-2020152406-A1 · May 14, 2020 · US
Air suspension assembly
US-10525785-B2 · Jan 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F9/04?
- CPC F16F9/04 is the Cooperative Patent Classification code for “in a chamber with a flexible wall {(producing hollow articles of plastics, e.g. air bellows, B29D22/00)}.”
- How many patents are filed under CPC F16F9/04 (in a chamber with a flexible wall {(producing hollow articles of plastics, e.g. air bellows, B29D22/00)})?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC F16F9/04 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).