Inventor
SPEHRLEY JR CHARLES W
US35 patents
⚠️ This page may combine multiple inventors who share the name “SPEHRLEY JR CHARLES W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SPECTRA INC
22 patentsUS4751528AJun 14, 1988
Platen arrangement for hot melt ink jet apparatus
SPECTRA INC158 citations98
US4961082AOct 2, 1990
Deaeration of ink in an ink jet system
SPECTRA INC45 citations96
US4951067AAug 21, 1990
Controlled ink drop spreading in hot melt ink jet printing
SPECTRA INC78 citations96
US4814786AMar 21, 1989
Hot melt ink supply system
SPECTRA INC104 citations96
US4788556ANov 29, 1988
Deaeration of ink in an ink jet system
SPECTRA INC63 citations96
US5189438AFeb 23, 1993
Dual reservoir and valve system for an ink jet head
SPECTRA INC61 citations95
US5182571AJan 26, 1993
Hot melt ink jet transparency
SPECTRA INC61 citations95
US4937598AJun 26, 1990
Ink supply system for an ink jet head
SPECTRA INC121 citations93
US5075689ADec 24, 1991
Bidirectional hot melt ink jet printing
SPECTRA INC49 citations92
US5043741AAug 27, 1991
Controlled ink drop spreading in hot melt ink jet printing
SPECTRA INC47 citations92
US4928120AMay 22, 1990
Orifice plate cleaner for hot melt ink jet
SPECTRA INC49 citations90
US5281442AJan 25, 1994
Treatment of hot melt ink images
SPECTRA INC17 citations81
US4873134AOct 10, 1989
Hot melt ink projection transparency
SPECTRA INC23 citations81
US4801473AJan 31, 1989
Method for preparing a hot melt ink transparency
SPECTRA INC22 citations80
US5105204AApr 14, 1992
Subtractive color hot melt ink reflection images on opaque substrates
SPECTRA INC15 citations73
US5114747AMay 19, 1992
Treatment of hot melt ink images
SPECTRA INC8 citations72
US5023111AJun 11, 1991
Treatment of hot melt ink images
SPECTRA INC13 citations72
US5172135ADec 15, 1992
Hot melt ink supply unit
SPECTRA INC8 citations71
US5003322AMar 26, 1991
Holt melt ink supply unit
SPECTRA INC13 citations71
US4864330ASep 5, 1989
Method of forming a hot melt ink unit
SPECTRA INC11 citations71
US5337079AAug 9, 1994
Post-processing of colored hot melt ink images
SPECTRA INC6 citations62
US4877676AOct 31, 1989
Hot melt ink transparency
SPECTRA INC4 citations60
XEROX CORP
6 patentsUS4782363ANov 1, 1988
Copying system for on-line finishing
XEROX CORP57 citations95
US4849795AJul 18, 1989
Sheet transport
XEROX CORP29 citations92
US4221480ASep 9, 1980
Belt support and control system
XEROX CORP30 citations92
US5467180ANov 14, 1995
High air flow low pressure prefuser transport
XEROX CORP21 citations87
US4294539AOct 13, 1981
Document vacuum weir system
XEROX CORP26 citations82
US4305529ADec 15, 1981
Particle dispensing system
XEROX CORP11 citations74