Inventor · Littleton, MA, US

George A. Smith

22Patents
11h-index
16Co-inventors
72Inventor score

Filing activity: Aug 13, 1976 → May 16, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5781892A Method and apparatus for interacting with a computer reservation system Physics 95 Expired
US5842176A Method and apparatus for interacting with a computer reservation system Physics 91 Expired
US5081367A Electric power system with maintenance bypass for uninterruptible power supply using closed transition operation Electricity 74 Expired
US5397868A Transfer switch Electricity 50 Expired
US5581133A Combination transfer and bypass isolation switch utilizing drawout protective devices and key interlocks Electricity 45 Expired
US4105365A Helicopter rotor lead-lag damper Performing Operations; Transporting 27 Expired
US5436415A Interlock for electrical switches Electricity 25 Expired
US5422453A Handle actuator for a circuit interrupter handle Electricity 20 Expired
US5200586A Five gear isolating mechanism for bypass isolation switches Electricity 17 Expired
US5475190A Operator of a handle or toggle of a switch Electricity 13 Expired
US4952900A Controlled seal for an expulsion fuse and method of assembling same Electricity 11 Expired
US7336477B2 Electrical switching apparatus and heat sink therefor Electricity 9 Expired
US4706119A Camera vision axis inclination indication apparatus Electricity 8 Expired
US9988805B1 Clearspan fabric structure Fixed Constructions 6 Active
US4132017A Blade for earth moving equipment Fixed Constructions 5 Expired
US4766408A Current limiting fuse with indicator Electricity 4 Expired
US4995886A Method of assembling a controlled seal for an expulsion fuse Emerging Cross-Sectional Technologies 4 Expired
US5412995A Single-ply roof cover fatigue tester Physics 3 Expired
US10352033B2 Clearspan fabric structure Fixed Constructions 3 Active
US10914060B2 Clearspan fabric structure Fixed Constructions 2 Active
US11773581B2 Clearspan fabric structure Fixed Constructions 2 Active
US11332919B2 Clearspan fabric structure Fixed Constructions 1 Active

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