P

Inventor

BUCHANAN JOHN ANDREW

US24 patents
⚠️ This page may combine multiple inventors who share the name “BUCHANAN JOHN ANDREW”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LEXMARK INT INC

21 patents
US6459876B1Oct 1, 2002

Toner cartridge

LEXMARK INT INC57 citations95
USD759154SJun 14, 2016

Laser printer toner cartridge

LEXMARK INT INC26 citations94
USD759157SJun 14, 2016

Laser printer toner cartridge

LEXMARK INT INC17 citations92
USD759155SJun 14, 2016

Laser printer toner cartridge

LEXMARK INT INC17 citations92
USD759156SJun 14, 2016

Laser printer toner cartridge

LEXMARK INT INC19 citations92
US8873996B1Oct 28, 2014

Toner system for an image forming device including a toner cartridge having a shutter with bypassing actuation

LEXMARK INT INC12 citations92
US6871031B2Mar 22, 2005

Coupling mechanism for a two piece printer cartridge

LEXMARK INT INC21 citations92
US6496662B1Dec 17, 2002

Optical toner low sensor

LEXMARK INT INC43 citations92
US6487383B2Nov 26, 2002

Dynamic end-seal for toner development unit

LEXMARK INT INC47 citations92
US6078771AJun 20, 2000

Low friction doctor blade

LEXMARK INT INC23 citations92
US9031451B2May 12, 2015

Toner cartridge having a shutter lock mechanism

LEXMARK INT INC22 citations91
US9164425B2Oct 20, 2015

Toner cartridge having loading and latching features

LEXMARK INT INC11 citations84
US9152083B2Oct 6, 2015

Carriage assembly for toner cartridge loading and latching

LEXMARK INT INC7 citations84
US9104141B2Aug 11, 2015

Toner cartridge having a shutter with bypassing actuation

LEXMARK INT INC10 citations84
US8879964B1Nov 4, 2014

Toner cartridge having an angled exit port surface

LEXMARK INT INC7 citations84
USRE47166EDec 18, 2018

Toner cartridge having loading and latching features

LEXMARK INT INC2 citations73
US9983508B2May 29, 2018

Image forming device having a replaceable toner cartridge that includes an engagement member for actuating a shutter

LEXMARK INT INC1 citations63
US7233760B2Jun 19, 2007

Method and device for doctor blade retention

LEXMARK INT INC2 citations63
US9798268B2Oct 24, 2017

Toner cartridge having a movable engagement member that protrudes from a front of the toner cartridge for acutating a shutter

LEXMARK INT INC0 citations52
US9436128B2Sep 6, 2016

Toner cartridge having an engagement member for actuating a shutter

LEXMARK INT INC0 citations52
US8774684B2Jul 8, 2014

Toner cartridge having a pivoting exit port cover

LEXMARK INT INC0 citations51

BUCHANAN JOHN ANDREW

3 patents