Method and control unit for operating a spark-ignition internal combustion engine or a dual-fuel internal combustion engine operated in the spark-ignition mode
US-11326487-B2 · May 10, 2022 · US
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by considering total base number [TBN]
by considering total base number [TBN] · 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 | F01M2011/1493 |
| Official title | {by considering total base number [TBN]} |
| Display label | by considering total base number [TBN] |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and control unit for operating a diesel internal combustion engine or a dual-fuel internal combustion engine operated in the diesel mode
US-11187121-B2 · Nov 30, 2021 · US
Determination of total base number in lubricants
US-10845356-B2 · Nov 24, 2020 · US
Method and control unit for operating a spark-ignition internal combustion engine or a dual-fuel internal combustion engine operated in the spark-ignition mode
US-2020340377-A1 · Oct 29, 2020 · US
Method and control unit for operating a diesel internal combustion engine or a dual-fuel internal combustion engine operated in the diesel mode
US-2020340378-A1 · Oct 29, 2020 · US
Systems for in situ monitoring of working fluids and working fluid systems
US-10738669-B2 · Aug 11, 2020 · US
Determination of total base number in lubricants
US-2019187119-A1 · Jun 20, 2019 · US
Systems for in situ monitoring of working fluids and working fluid systems
US-2018156086-A1 · Jun 7, 2018 · US
Lubricant health and service determination
US-9846149-B2 · Dec 19, 2017 · US
Lubricant health and service determination
US-2015047419-A1 · Feb 19, 2015 · US