Inventor
CAMPBELL ALAN STIRLING
US17 patents
⚠️ This page may combine multiple inventors who share the name “CAMPBELL ALAN STIRLING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEXMARK INT INC
13 patentsUS6510291B2Jan 21, 2003
Toner supply with level sensor and meter and method of using the same
LEXMARK INT INC59 citations93
US6560418B2May 6, 2003
Method of setting laser power and developer bias in a multi-color electrophotographic machinie
LEXMARK INT INC25 citations91
US5875378AFeb 23, 1999
Toner cartridge with hopper exit agitator
LEXMARK INT INC48 citations91
US6021297AFeb 1, 2000
Flexible doctor blade having a radiused contact surface
LEXMARK INT INC30 citations89
US6356726B1Mar 12, 2002
Electrophotographic printer with compact pre-transfer erase assembly
LEXMARK INT INC16 citations84
US6466763B1Oct 15, 2002
Conveyor and waste toner reservoir for an image-forming apparatus
LEXMARK INT INC16 citations83
US7398025B2Jul 8, 2008
White vector feedback adjustment
LEXMARK INT INC8 citations71
US6072970AJun 6, 2000
Charge roller
LEXMARK INT INC15 citations71
US8849146B2Sep 30, 2014
Method and system for efficient duplex printing
LEXMARK INT INC6 citations70
US6181904B1Jan 30, 2001
Toner cartridge with pre-doctoring comminuator
LEXMARK INT INC11 citations69
US7379682B2May 27, 2008
Optimization of operating parameters, including imaging power, in an electrophotographic device
LEXMARK INT INC4 citations60
US9256162B2Feb 9, 2016
Method and apparatus for magnetic brush retraction in electrophotographic system
LEXMARK INT INC1 citations52
US7702267B2Apr 20, 2010
Apparatus and method for transfer of image forming substances
LEXMARK INT INC1 citations50