Vibration components and loudspeakers
US-2024259733-A1 · Aug 1, 2024 · US
corrugated, pleated or ribbed
corrugated, pleated or ribbed · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04R7/14 |
| Official title | corrugated, pleated or ribbed |
| Display label | corrugated, pleated or ribbed |
| Total patents | 209 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 14 |
| 2017 | 28 |
| 2018 | 19 |
| 2019 | 26 |
| 2020 | 20 |
| 2021 | 17 |
| 2022 | 21 |
| 2023 | 19 |
| 2024 | 16 |
| 2025 | 11 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vibration Diaphragm
US-2018367914-A1 · Dec 20, 2018 · US
Loudspeaker-diaphragm and loudspeaker including the same
US-2018270596-A1 · Sep 20, 2018 · US
MEMS microphone
US-10003890-B2 · Jun 19, 2018 · US
Miniature sounder
US-9936302-B2 · Apr 3, 2018 · US
Audio speakers with integrated sealing and assembly features for "caseless" installation
US-2017359640-A1 · Dec 14, 2017 · US
Audio speakers with integrated sealing and assembly features for “caseless” installation
US-9843850-B2 · Dec 12, 2017 · US
Loudspeaker diaphragm and manufacturing method thereof
US-9838817-B2 · Dec 5, 2017 · US
Miniature sounder
US-2017347201-A1 · Nov 30, 2017 · US
Miniature sounder
US-2017347204-A1 · Nov 30, 2017 · US
Speaker device
US-2017347184-A1 · Nov 30, 2017 · US
Ultrasonic transducer with emitting element
US-2017307426-A1 · Oct 26, 2017 · US
Acoustic diaphragm
US-9769570-B2 · Sep 19, 2017 · US
Audio speakers with integrated sealing and assembly features for "caseless" installation
US-2017264983-A1 · Sep 14, 2017 · US
Pcb speaker and method for micromachining speaker diaphragm on pcb substrate
US-2017265013-A1 · Sep 14, 2017 · US
Manufacturing method of a condenser microphone
US-9729990-B2 · Aug 8, 2017 · US
Semiconductor structure and manufacturing method thereof
US-9718677-B1 · Aug 1, 2017 · US
Electroacoustic Transducer
US-2017215007-A1 · Jul 27, 2017 · US
Acoustic diaphragm and speaker box
US-9716951-B2 · Jul 25, 2017 · US
Semiconductor structure and manufacturing method thereof
US-2017203961-A1 · Jul 20, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04R7/14?
- CPC H04R7/14 is the Cooperative Patent Classification code for “corrugated, pleated or ribbed.”
- How many patents are filed under CPC H04R7/14 (corrugated, pleated or ribbed)?
- Our database includes 209 publications tagged with this CPC code.
- Is patent activity under CPC H04R7/14 growing?
- Publication counts under this code: 16 in 2024 vs 11 in 2025 (latest complete years).