WH

Walter J. Hall

SE S&C Electric: 7 patents #38 of 210Top 20%
HT Htc: 2 patents #603 of 1,407Top 45%
VI Vitronics: 2 patents #2 of 10Top 20%
SB Soltec B.V.: 1 patents #5 of 21Top 25%
📍 Evanston, IL: #134 of 1,719 inventorsTop 8%
🗺 Illinois: #7,280 of 84,256 inventorsTop 9%
Overall (All Time): #428,386 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6146448 Flux management system for a solder reflow oven Russell G. Shaw, Roy J. Palhof, Phillip D. Bourgelais 2000-11-14
5573688 Convection/infrared solder reflow apparatus Albert Chanasyk, J. Robert Maxwell, Russell G. Shaw, Roy J. Palhof, Phillip D. Bourgelais 1996-11-12
5345061 Convection/infrared solder reflow apparatus utilizing controlled gas flow Albert Chanasyk, J. Robert Maxwell, Russell G. Shaw, Roy J. Palhof, Phillip D. Bourgelais 1994-09-06
4986578 Door latching arrangement for an enclosure 1991-01-22
4757780 Apparatus for solder removal Donald J. Spigarelli, Douglas J. Peck, James L. Finney 1988-07-19
4636602 Linear operating mechanism for electrical switches Chester H. Lin, Joel A. Ramos, Edward J. Rogers 1987-01-13
4596906 Arrangement for providing independent rotary and linear drive outputs for high-voltage switches Leonard V. Chabala, Robert H. Harner, Edward J. Rogers, Norman J. Stranczek, Thomas J. Tobin 1986-06-24
4562324 Electrical contact for use in a current-interrupting unit Raymond P. O'Leary 1985-12-31
4541358 Method and apparatus for solder removal Donald J. Spigarelli, Douglas J. Peck, James L. Finney 1985-09-17
4384185 Circuit interrupting device John M. Jarosz 1983-05-17
4338499 Anti-paralleling apparatus for high-voltage gear Leonard V. Chabala 1982-07-06
4324959 Pre-insertion resistor mechanism for a circuit interrupting device John C. Opfer 1982-04-13