Method for controlling fuel of a spark ignited engine while regenerating a particulate filter
US-9863348-B2 · Jan 9, 2018 · US
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Ruhland Helmut Hans patents
Ruhland Helmut Hans holds 3 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 3 |
| Recent patents | 0 |
| First publication | Feb 3, 2015 |
| Latest publication | Jan 9, 2018 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Method for controlling fuel of a spark ignited engine while regenerating a particulate filter
US-9863348-B2 · Jan 9, 2018 · US
Exhaust gas aftertreatment device and method for a gasoline engine
US-9238982-B2 · Jan 19, 2016 · US
Multi-cylinder internal combustion engine and method for operating a multi-cylinder internal combustion engine
US-8944026-B2 · Feb 3, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| Y02T10/12 | 3 |
| Y02T10/22 | 2 |
| F01N3/101 | 2 |
| F01N3/035 | 1 |
| F01N2510/0682 | 1 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Mechanical Engineering | 3 |
| Cross-Sectional Technologies | 3 |