Inventor · Waltham, MA, US

Walter J. Hall

12Patents
6h-index
18Co-inventors
63Inventor score

Filing activity: Oct 16, 1978 → Nov 2, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US5345061A Convection/infrared solder reflow apparatus utilizing controlled gas flow Performing Operations; Transporting 37 Expired
US5573688A Convection/infrared solder reflow apparatus Performing Operations; Transporting 34 Expired
US6146448A Flux management system for a solder reflow oven Performing Operations; Transporting 26 Expired
US4541358A Method and apparatus for solder removal Electricity 11 Expired
US4324959A Pre-insertion resistor mechanism for a circuit interrupting device Electricity 11 Expired
US4596906A Arrangement for providing independent rotary and linear drive outputs for high-voltage switches Electricity 10 Expired
US4384185A Circuit interrupting device Electricity 6 Expired
US4636602A Linear operating mechanism for electrical switches Emerging Cross-Sectional Technologies 5 Expired
US4986578A Door latching arrangement for an enclosure Emerging Cross-Sectional Technologies 5 Expired
US4562324A Electrical contact for use in a current-interrupting unit Electricity 3 Expired
US4757780A Apparatus for solder removal Electricity 3 Expired
US4338499A Anti-paralleling apparatus for high-voltage gear Electricity 1 Expired

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