Inventor
STAFFORD DONALD WAYNE
26 patents
⚠️ This page may combine multiple inventors who share the name “STAFFORD DONALD WAYNE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEXMARK INT INC
19 patentsUS6243115B1Jun 5, 2001
Pressurized ink supply and delivery system for an ink jet printer
LEXMARK INT INC97 citations96
US6145971ANov 14, 2000
Printer ink pump and method of supplying ink using motion of the carrier
LEXMARK INT INC23 citations91
US6117557ASep 12, 2000
Caprolactone ester polyurethane developer roller
LEXMARK INT INC33 citations91
US5804114ASep 8, 1998
Process of making a polyurethane roller with high surface resistance
LEXMARK INT INC23 citations90
US5707743AJan 13, 1998
Polyurethane roller with high surface resistance
LEXMARK INT INC22 citations90
US10365586B1Jul 30, 2019
End seal assembly for an undercut developer roll
LEXMARK INT INC4 citations71
US6072970AJun 6, 2000
Charge roller
LEXMARK INT INC15 citations71
US9261812B1Feb 16, 2016
Toner adder roll having an abrasive agent additive
LEXMARK INT INC3 citations69
US7356278B2Apr 8, 2008
Cleaning member for charging device
LEXMARK INT INC7 citations66
US5797076AAug 18, 1998
Abrasive shim compliant doctor blade
LEXMARK INT INC15 citations65
US6990308B1Jan 24, 2006
Image forming device, print cartridge and doctor blade assembly that reduce vibrations at doctoring media nip
LEXMARK INT INC3 citations61
US6087011AJul 11, 2000
Polyurethane roller with oxide surface layer
LEXMARK INT INC4 citations61
US7167672B2Jan 23, 2007
Method and device for conveying waste toner in an image forming device
LEXMARK INT INC4 citations60
US7162191B2Jan 9, 2007
Buffed toner metering blade for use with an imaging apparatus
LEXMARK INT INC2 citations60
US8017192B2Sep 13, 2011
Radiation cured coatings for image forming device components
LEXMARK INT INC2 citations59
US7231163B2Jun 12, 2007
Apparatus and method of reducing charge roller contamination
LEXMARK INT INC5 citations58
US7310494B2Dec 18, 2007
Developing agent transport and storage
LEXMARK INT INC0 citations49
US7236730B2Jun 26, 2007
Dampening mechanism for an image forming apparatus
LEXMARK INT INC0 citations47
US7899384B2Mar 1, 2011
Apparatus and method of reducing charge roller contamination
LEXMARK INT INC0 citations39