Control system for compression-ignition engine
US-10895214-B2 · Jan 19, 2021 · US
Methods of operating
Methods of operating · 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 | F02B1/14 |
| Official title | Methods of operating |
| Display label | Methods of operating |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 15 |
| 2020 | 21 |
| 2021 | 7 |
| 2022 | 6 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control system for pre-mixture compression-ignition engine
US-10895215-B2 · Jan 19, 2021 · US
Control system for compression ignition engine
US-10883438-B2 · Jan 5, 2021 · US
Zeolite-like metal-organic frameworks with ana topology
US-2020391180-A1 · Dec 17, 2020 · US
Homogeneous charge compression ignition linear generator
US-10815878-B2 · Oct 27, 2020 · US
Control system for compression ignition engine
US-10801393-B2 · Oct 13, 2020 · US
Control device for compression-ignition engine
US-10794317-B2 · Oct 6, 2020 · US
Zeolite-like metal-organic frameworks with ana topology
US-10759724-B2 · Sep 1, 2020 · US
Control device for compression-ignition engine
US-10731589-B2 · Aug 4, 2020 · US
Compression ignition engine
US-2020232380-A1 · Jul 23, 2020 · US
Apparatus and methods for controlling reciprocating internal combustion engines
US-10718211-B2 · Jul 21, 2020 · US
Control system for compression-ignition engine
US-10704480-B2 · Jul 7, 2020 · US
Control device for compression ignition engine
US-2020200117-A1 · Jun 25, 2020 · US
Apparatus and methods for controlling reciprocating internal combustion engines
US-10683754-B2 · Jun 16, 2020 · US
Solenoid activated vacuum pump for an engine system and system having same
US-10677239-B2 · Jun 9, 2020 · US
Control system for compression-ignition engine
US-10641193-B2 · May 5, 2020 · US
Control system for compression-ignition engine
US-10641192-B2 · May 5, 2020 · US
Control device for compression-ignition engine
US-10641161-B2 · May 5, 2020 · US
Control system for compression-ignition engine
US-10605193-B2 · Mar 31, 2020 · US
Fuel upgrading and reforming with metal organic framework
US-2020038835-A1 · Feb 6, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B1/14?
- CPC F02B1/14 is the Cooperative Patent Classification code for “Methods of operating.”
- How many patents are filed under CPC F02B1/14 (Methods of operating)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC F02B1/14 growing?
- Publication counts under this code: 2 in 2023 vs 1 in 2025 (latest complete years).