Inventor
PLAYFAIR DAVID B
US14 patents
⚠️ This page may combine multiple inventors who share the name “PLAYFAIR DAVID B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XEROX CORP
13 patentsUS6137972AOct 24, 2000
Imaging material dispensing system
XEROX CORP102 citations96
USD432916SOct 31, 2000
Container end cap
XEROX CORP51 citations94
US5383502AJan 24, 1995
Automatic toner dispenser lid latching and unlatching system
XEROX CORP25 citations90
USD832220SOct 30, 2018
Earth plate
XEROX CORP4 citations71
USD422627SApr 11, 2000
Plug for a toner container
XEROX CORP7 citations71
US5552864ASep 3, 1996
Magnetic seal with tapered shunts
XEROX CORP14 citations69
US5575408ANov 19, 1996
Image developer material agitation system with non-binding mixing coil agitator
XEROX CORP12 citations68
US8050595B2Nov 1, 2011
Replenishment carrier injection system
XEROX CORP5 citations62
US7805099B2Sep 28, 2010
Teeter-totter valve for carrier replenishment system
XEROX CORP4 citations62
US7796900B2Sep 14, 2010
Developer cartridge replacement scheme for electrostatographic printing
XEROX CORP3 citations62
USD629447SDec 21, 2010
Replenisher toner container for a xerographic machine
XEROX CORP3 citations60
US6631250B2Oct 7, 2003
Developer filtration module
XEROX CORP2 citations60
US10175631B2Jan 8, 2019
Earth plate with breakaway rotated tabs
XEROX CORP0 citations40