Inventor
Mark A. Rosswurm
Inventor
Columbus, OH, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines13%
G01DMeasuring not specially adapted for a specific variable13%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems13%
Y02TClimate change mitigation technologies related to transportation13%
F02BInternal-combustion piston engines7%
F02GHot gas or combustion-product positive-displacement engine plants7%
F02PIgnition, other than compression ignition, for internal-combustion engines7%
G01RMeasuring electric variables7%
G06FElectric digital data processing7%
H02HEmergency protective circuit arrangements7%
PatentTitleYear
10,815,913Systems, methods, and apparatus for operation of dual fuel engines20209,371,789'System and method for a self-adjusting dual fuel gas control'20165,180,939'Mechanically commutated linear alternator'19935,012,237'Reflected electrostatic field angle resolver'19914,998,103'Electrostatic position sensing angle resolver'19914,996,967'Apparatus and method for generating a highly conductive channel for the flow of plasma current'19914,649,537'Random pattern lock and key fault detection scheme for microprocessor systems'19874,556,842'Tracking filter for sensing DC content in an AC waveform'19854,370,702'Microprocessor control of inverter power transistors with DC content correction'19834,342,076'Transistor turn off current sensing circuit'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1987Patents assigned to WESTINGHOUSE ELECTRIC CORP (4)· patent assignee history
1982–1985Based in Ada, OH, US· patent location history
1983Based in Jackson Township, Stark County, OH, US· patent location history
1987Based in Shawnee Township, Allen County, OH, US· patent location history
1991Patents assigned to CUMMINS ELECTRONICS (2)· patent assignee history
1991Patents assigned to CUMMINS ENGINE CO INC (1)· patent assignee history
1991–2020Based in Columbus, OH, US· patent location history
1993Patents assigned to CUMMINS POWER GENERATION INC (1)· patent assignee history
2016–2020Patents assigned to CUMMINS INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WESTINGHOUSE ELECTRIC CORP | 4 | 1982–1987 |
| CUMMINS ELECTRONICS | 2 | 1991 |
| CUMMINS INC | 2 | 2016–2020 |
| CUMMINS ENGINE CO INC | 1 | 1991 |
| CUMMINS POWER GENERATION INC | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Columbus, OH, US | 6 | 1991–2020 |
| Ada, OH, US | 2 | 1982–1985 |
| Shawnee Township, Allen County, OH, US | 1 | 1987 |
| Jackson Township, Stark County, OH, US | 1 | 1983 |