Inventor · Shaler Township, PA, US

Mark E. Baer

29Patents
11h-index
18Co-inventors
68Inventor score

Filing activity: Mar 12, 1991 → Sep 22, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US7337494B2 Electrostatic cloth attachment for vacuum head Human Necessities 49 Expired
US5177657A Ground fault interruptor circuit with electronic latch Electricity 46 Expired
US6222285A Intelligent switch control circuit Human Necessities 42 Expired
US5747973A Current regulating switch circuit Electricity 42 Expired
US5309310A Combined ground fault interrupter circuit and remote control on/off device Emerging Cross-Sectional Technologies 29 Expired
US5127764A Clip ring spread preventer Emerging Cross-Sectional Technologies 25 Expired
US5184041A Structure for coupling field windings to motor brushes Emerging Cross-Sectional Technologies 23 Expired
US8141231B2 Electric motor Emerging Cross-Sectional Technologies 19 Active
US7654480B2 Mulcher Performing Operations; Transporting 17 Active
US8015661B2 Vacuum with rechargeable battery Human Necessities 17 Active
US6381803B1 Vacuum cleaner Human Necessities 15 Expired
US7095150B2 Apparatus for securing a bobbin of a reluctance machine Electricity 11 Expired
US5373210A Motor brush spring subassembly Electricity 10 Expired
US6035515A Motor shaft assembly and method Emerging Cross-Sectional Technologies 9 Expired
US7342339B2 Reluctance machine having a non-uniform air gap Electricity 8 Expired
US7208907B2 System and method of restarting a switched reluctance motor after a rapid cycling of power Electricity 8 Expired
US6077032A Housing assembly for a vacuum cleaner Mechanical Engineering; Lighting; Heating 6 Expired
US7345437B2 Rechargeable vacuum with reduced AC voltage Electricity 6 Expired
US5459444A Circuit breaker for use in wall mounted plug Electricity 4 Expired
US6184601A Thermally responsive protection apparatus Electricity 3 Expired
US7241117B2 Motor shaft assembly and method Emerging Cross-Sectional Technologies 3 Expired
US6069432A Rotor structure Electricity 3 Expired
US6343773B1 Support structure Emerging Cross-Sectional Technologies 3 Expired
US7859224B2 Charge control circuit for a vehicle vacuum cleaner battery Electricity 3 Active
US5943776A Motor shaft assembly method Emerging Cross-Sectional Technologies 2 Expired

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