Methods and systems for starting hydrogen powered gas generators
US-2024052782-A1 · Feb 15, 2024 · US
Mechanical Engineering
Mechanical Engineering · 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 | F02C7/32 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 3,028 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 181 |
| 2016 | 170 |
| 2017 | 224 |
| 2018 | 269 |
| 2019 | 268 |
| 2020 | 363 |
| 2021 | 326 |
| 2022 | 286 |
| 2023 | 323 |
| 2024 | 283 |
| 2025 | 261 |
| 2026 | 74 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic pump start system and method
US-9222491-B2 · Dec 29, 2015 · US
Distributed Engine Accessory Drive
US-2015369132-A1 · Dec 24, 2015 · US
Assembly for a jet engine of an aircraft
US-9217374-B2 · Dec 22, 2015 · US
Heat Shield for Gas Turbine Engine Gearbox
US-2015361898-A1 · Dec 17, 2015 · US
Two Spool Gas Generator with Mount Ring
US-2015354463-A1 · Dec 10, 2015 · US
Aircraft environmental control system inlet flow control
US-9205927-B2 · Dec 8, 2015 · US
Flexible support structure for a geared architecture gas turbine engine
US-2015345398-A1 · Dec 3, 2015 · US
Electrical structure having a grounding plane
US-9204497-B2 · Dec 1, 2015 · US
Fire resistant electrical panel
US-2015342022-A1 · Nov 26, 2015 · US
Gas turbine engine oil tank
US-9194294-B2 · Nov 24, 2015 · US
Two spool engine core with a starter
US-2015330300-A1 · Nov 19, 2015 · US
Gas turbine engine oil tank
US-2015322854-A1 · Nov 12, 2015 · US
Gas turbine engine surge margin bleed power recuperation
US-9175605-B2 · Nov 3, 2015 · US
Fundamental gear system architecture
US-2015308351-A1 · Oct 29, 2015 · US
Method for setting a gear ratio of a fan drive gear system of a gas turbine engine
US-2015308335-A1 · Oct 29, 2015 · US
Constant-speed pump system for engine thermal management system AOC reduction and environmental control system loss elimination
US-9151224-B2 · Oct 6, 2015 · US
MEMS Acoustic Transducer with Silicon Nitride Backplate and Silicon Sacrificial Layer
US-2015274506-A1 · Oct 1, 2015 · US
Electrical harness connector
US-9139144-B2 · Sep 22, 2015 · US
Gas turbine engine starter-generator with integrated lube oil scavenge functionality
US-9140194-B2 · Sep 22, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02C7/32?
- CPC F02C7/32 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F02C7/32 (Mechanical Engineering)?
- Our database includes 3,028 publications tagged with this CPC code.
- Is patent activity under CPC F02C7/32 growing?
- Publication counts under this code: 283 in 2024 vs 261 in 2025 (latest complete years).