System for transporting and storing, in particular hydrogen and its mixtures
US-2024401753-A1 · Dec 5, 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 | F17D1/02 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 141 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 5 |
| 2017 | 12 |
| 2018 | 4 |
| 2019 | 10 |
| 2020 | 15 |
| 2021 | 11 |
| 2022 | 14 |
| 2023 | 12 |
| 2024 | 15 |
| 2025 | 26 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Interlock apparatus for chemical supply system
US-2024178018-A1 · May 30, 2024 · US
Fluid pressure control apparatus
US-2021294359-A1 · Sep 23, 2021 · US
High-pressure hose
US-11085560-B2 · Aug 10, 2021 · US
System and method for predicting and controlling gas line performance
US-2020400530-A1 · Dec 24, 2020 · US
Air source system for supplying air to a turbine engine by fracturing manifold equipment
US-10830032-B1 · Nov 10, 2020 · US
Method and Apparatus for Pulse Gas Delivery
US-2020321225-A1 · Oct 8, 2020 · US
Fuel extraction system, fuel tank apparatus having a fuel extraction system, and fuel cell system having a fuel extraction system
US-2020309324-A1 · Oct 1, 2020 · US
Concentration control apparatus and material gas supply system
US-10718050-B2 · Jul 21, 2020 · US
Flame arrestor
US-2020215366-A1 · Jul 9, 2020 · US
Natural gas temperature and pressure regulating system based on recovering pressure energy and absorbing heat from ultralow temperature ambient environment
US-10704739-B2 · Jul 7, 2020 · US
Smart subsea pipeline with channels
US-10683950-B2 · Jun 16, 2020 · US
High-Pressure Hose
US-2020149663-A1 · May 14, 2020 · US
Valve apparatus
US-2020149642-A1 · May 14, 2020 · US
Fully visual flow loop system for studying hydrate blockage
US-2020096452-A1 · Mar 26, 2020 · US
Method and system for burying a pipeline in a bed of a body of water
US-10597849-B2 · Mar 24, 2020 · US
Method for determining gas rupture exposure radius value based on dispersion model
US-2020073965-A1 · Mar 5, 2020 · US
A natural gas temperature and pressure regulating system based on recovering pressure energy and absorbing heat from ultralow temperature ambient environment
US-2020072418-A1 · Mar 5, 2020 · US
Smart subsea pipeline with conduits
US-10544893-B2 · Jan 28, 2020 · US
Substrate processing systems including gas delivery system with reduced dead legs
US-2019323125-A1 · Oct 24, 2019 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F17D1/02?
- CPC F17D1/02 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F17D1/02 (Mechanical Engineering)?
- Our database includes 141 publications tagged with this CPC code.
- Is patent activity under CPC F17D1/02 growing?
- Publication counts under this code: 15 in 2024 vs 26 in 2025 (latest complete years).