Membership
Tour
Register
Log in
Alexander L. Chapman
Follow
Person
Lexington, KY, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Toner level sensing using toner container vibration
Patent number
11,947,282
Issue date
Apr 2, 2024
Lexmark International, Inc.
Alexander Lloyd Chapman
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Material sensing using container vibration
Patent number
11,947,279
Issue date
Apr 2, 2024
Lexmark International, Inc.
Alexander Lloyd Chapman
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Acoustical physically unclonable function (puf) and system
Patent number
11,522,694
Issue date
Dec 6, 2022
Lexmark International, Inc.
Scott Richard Castle
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Methods and systems to calibrate media indexing errors in a printin...
Patent number
7,391,525
Issue date
Jun 24, 2008
Lexmark International, Inc.
Alexander L. Chapman
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatuses for sensing rotational position of a compon...
Patent number
7,126,107
Issue date
Oct 24, 2006
Lexmark International, Inc.
Adam J. Ahne
G01 - MEASURING TESTING
Information
Patent Grant
Encoder with mask spacer contacting the encoder film
Patent number
6,624,407
Issue date
Sep 23, 2003
Lexmark International, Inc.
Dariush Aboonasry
G01 - MEASURING TESTING
Information
Patent Grant
Optical encoder assembly with non-engageable encoder housing and re...
Patent number
6,600,151
Issue date
Jul 29, 2003
Lexmark International, Inc.
Alexander Lloyd Chapman
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
MATERIAL SENSING USING CONTAINER VIBRATION
Publication number
20230305432
Publication date
Sep 28, 2023
Lexmark International, Inc.
ALEXANDER LLOYD CHAPMAN
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER LEVEL SENSING USING TONER CONTAINER VIBRATION
Publication number
20230305434
Publication date
Sep 28, 2023
Lexmark International, Inc.
ALEXANDER LLOYD CHAPMAN
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ACOUSTICAL PHYSICALLY UNCLONABLE FUNCTION (PUF) AND SYSTEM
Publication number
20210266159
Publication date
Aug 26, 2021
Lexmark International, Inc.
SCOTT RICHARD CASTLE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Methods and systems to calibrate media indexing errors in a printin...
Publication number
20040179217
Publication date
Sep 16, 2004
Alexander L. Chapman
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Methods and apparatuses for sensing rotational position of a compon...
Publication number
20040178332
Publication date
Sep 16, 2004
Adam J. Ahne
G01 - MEASURING TESTING
Information
Patent Application
Optical encoder assembly
Publication number
20030052261
Publication date
Mar 20, 2003
Alexander Lloyd Chapman
G01 - MEASURING TESTING