Inventor · Wilsonville, OR, US

Mark D. Rowan

12Patents
7h-index
17Co-inventors
63Inventor score

Filing activity: Jul 24, 1992 → Oct 12, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
USD752955S1 Cord holder General 27 Active
US8054042B2 Modular power supply Electricity 26 Active
US5523690A Metal detector with bivariate display Physics 25 Expired
US6879161B2 Method and apparatus for distinguishing metal objects employing multiple frequency interrogation Physics 17 Expired
US6911823B2 Metal detector employing static discrimination Physics 15 Expired
USD773432S1 Amplifier General 11 Active
US9424975B2 Split core transformer with self-aligning cores Electricity 10 Active
US5596277A Method and apparatus for displaying signal information from a metal detector Physics 7 Expired
US9177718B2 Sensing transformer with pivotable and rotatable split cores Physics 4 Active
US8527782B2 Power hub Physics 3 Active
US11869293B2 Building control systems Physics 0 Active
US9147546B2 Self-calibrating current switch with display Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.