Combustion Apparatus
US-2018372311-A1 · Dec 27, 2018 · US
using screens or perforated plates · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F23D14/14 |
| Official title | using screens or perforated plates |
| Display label | using screens or perforated plates |
| Total patents | 129 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 17 |
| 2017 | 13 |
| 2018 | 22 |
| 2019 | 28 |
| 2020 | 17 |
| 2021 | 10 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2018372311-A1 · Dec 27, 2018 · US
US-2018363897-A1 · Dec 20, 2018 · US
US-10151478-B2 · Dec 11, 2018 · US
US-2018347809-A1 · Dec 6, 2018 · US
US-10126015-B2 · Nov 13, 2018 · US
US-10125983-B2 · Nov 13, 2018 · US
US-10119704-B2 · Nov 6, 2018 · US
US-10088153-B2 · Oct 2, 2018 · US
US-10077899-B2 · Sep 18, 2018 · US
US-10030871-B2 · Jul 24, 2018 · US
US-10024543-B2 · Jul 17, 2018 · US
US-2018195717-A1 · Jul 12, 2018 · US
US-10006715-B2 · Jun 26, 2018 · US
US-2018135855-A1 · May 17, 2018 · US
US-2018087774-A1 · Mar 29, 2018 · US
US-2018087772-A1 · Mar 29, 2018 · US
US-2018080648-A1 · Mar 22, 2018 · US
US-2018066846-A1 · Mar 8, 2018 · US
US-2018038588-A1 · Feb 8, 2018 · US
US-2018003378-A1 · Jan 4, 2018 · US
Answers are generated from the same data shown on this page.