System and methods for reducing particulate matter emissions
US-10487760-B2 · Nov 26, 2019 · US
Tanks, e.g. multiple tanks
Tanks, e.g. multiple tanks · 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 | F02D19/0665 |
| Official title | {Tanks, e.g. multiple tanks} |
| Display label | Tanks, e.g. multiple tanks |
| Total patents | 133 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 9 |
| 2017 | 15 |
| 2018 | 11 |
| 2019 | 20 |
| 2020 | 10 |
| 2021 | 11 |
| 2022 | 10 |
| 2023 | 13 |
| 2024 | 7 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat exchanger configuration for adsorption-based onboard octane on-demand and cetane on-demand
US-2019234320-A1 · Aug 1, 2019 · US
Engine
US-2019234319-A1 · Aug 1, 2019 · US
Fuel filling apparatus and method for bi-fuel vehicle
US-10343515-B2 · Jul 9, 2019 · US
Multi-fuel transport refrigeration unit
US-2019145325-A1 · May 16, 2019 · US
Optimized fuel management system for direct injection ethanol enhancement of gasoline engines
US-10221783-B2 · Mar 5, 2019 · US
A fuel system for an internal combustion engine
US-2019048808-A1 · Feb 14, 2019 · US
Methods and systems for adjusting fueling of engine cylinders
US-2018347494-A1 · Dec 6, 2018 · US
A fuel tank arrangement for a dual fuel internal combustion engine
US-2018304740-A1 · Oct 25, 2018 · US
Adjusting a fuel on-board a vehicle
US-2018245524-A1 · Aug 30, 2018 · US
Optimized fuel management system for direct injection ethanol enhancement of gasoline engines
US-2018202375-A1 · Jul 19, 2018 · US
Adjusting a fuel on-board a vehicle
US-9957903-B2 · May 1, 2018 · US
Portable generator having multiple fuel sources
US-2018080392-A1 · Mar 22, 2018 · US
Adjusting a fuel on-board a vehicle
US-2018066613-A1 · Mar 8, 2018 · US
Lpg filling system of bi-fuel vehicle
US-2018058632-A1 · Mar 1, 2018 · US
Method and apparatus for fuel regulation
US-9885299-B2 · Feb 6, 2018 · US
Fuel supply system for an engine with an electric ignition power source
US-2018003136-A1 · Jan 4, 2018 · US
Fuel supply system for an engine with an electric ignition power source
US-9856835-B1 · Jan 2, 2018 · US
Adjusting a fuel on-board a vehicle
US-2017341508-A1 · Nov 30, 2017 · US
Adjusting a fuel on-board a vehicle
US-9827850-B2 · Nov 28, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D19/0665?
- CPC F02D19/0665 is the Cooperative Patent Classification code for “Tanks, e.g. multiple tanks.”
- How many patents are filed under CPC F02D19/0665 (Tanks, e.g. multiple tanks)?
- Our database includes 133 publications tagged with this CPC code.
- Is patent activity under CPC F02D19/0665 growing?
- Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).