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RANDAL SCOTT WILLIAMSON
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GEORGETOWN, KY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Toner cartridge latching
Patent number
11,720,048
Issue date
Aug 8, 2023
Lexmark International, Inc.
Randal Scott Williamson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sealing assembly for an electrophotographic image forming device
Patent number
11,681,243
Issue date
Jun 20, 2023
Lexmark International, Inc.
Mark William Amann
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner container having a common input gear for a toner agitator ass...
Patent number
11,656,561
Issue date
May 23, 2023
Lexmark International, Inc.
Randal Scott Williamson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Replaceable units of an electrophotographic image forming device ha...
Patent number
11,520,282
Issue date
Dec 6, 2022
Lexmark International, Inc.
Gregory Alan Cavill
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sensor positioning by a replaceable unit of an image forming device
Patent number
11,385,566
Issue date
Jul 12, 2022
Lexmark International, Inc.
Virgil Johnson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner container having an encoded member and an alignment guide for...
Patent number
11,378,897
Issue date
Jul 5, 2022
Lexmark International, Inc.
Virgil Johnson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner cartridge
Patent number
D955472
Issue date
Jun 21, 2022
Lexmark International, Inc.
Virgil Johnson
D18 - Printing and office machinery
Information
Patent Grant
Replaceable unit for an electrophotographic image forming device ha...
Patent number
11,353,824
Issue date
Jun 7, 2022
Lexmark International, Inc.
James Richard Leemhuis
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Shipping or storage separator for replaceable units of an electroph...
Patent number
11,347,180
Issue date
May 31, 2022
Lexmark International, Inc.
Gregory Alan Cavill
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner cartridge
Patent number
D952030
Issue date
May 17, 2022
Lexmark International, Inc.
Brian Scott Carpenter
D18 - Printing and office machinery
Information
Patent Grant
Toner cartridge latching
Patent number
11,287,770
Issue date
Mar 29, 2022
Lexmark International, Inc.
Randal Scott Williamson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner container having a common input gear for a toner agitator ass...
Patent number
11,221,568
Issue date
Jan 11, 2022
Lexmark International, Inc.
Randal Scott Williamson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Replaceable units of an electrophotographic image forming device ha...
Patent number
11,175,621
Issue date
Nov 16, 2021
Lexmark International, Inc.
Gregory Alan Cavill
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner cartridge
Patent number
D936138
Issue date
Nov 16, 2021
Lexmark International, Inc.
Jay Scott Siekmann
D18 - Printing and office machinery
Information
Patent Grant
Toner container having a reduced auger flight to accommodate bi-dir...
Patent number
11,137,699
Issue date
Oct 5, 2021
Lexmark International, Inc.
Randal Scott Williamson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner agitator support
Patent number
11,126,112
Issue date
Sep 21, 2021
Lexmark International, Inc.
Brian Scott Carpenter
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Replaceable unit for an electrophotographic image forming device ha...
Patent number
11,119,443
Issue date
Sep 14, 2021
Lexmark International, Inc.
James Richard Leemhuis
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sensor positioning by a replaceable unit of an image forming device
Patent number
11,022,910
Issue date
Jun 1, 2021
Lexmark International, Inc.
Virgil Johnson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner container having an encoded member and an alignment guide for...
Patent number
11,022,909
Issue date
Jun 1, 2021
Lexmark International, Inc.
Virgil Johnson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sealing assembly for an electrophotographic image forming device
Patent number
10,983,457
Issue date
Apr 20, 2021
Lexmark International, Inc.
Mark William Amann
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetometer chip sensor array for reading a magnetic PUF, includin...
Patent number
10,921,393
Issue date
Feb 16, 2021
Lexmark International, Inc.
William Pohl Corbett
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Toner container having a common input gear for a toner agitator ass...
Patent number
10,859,944
Issue date
Dec 8, 2020
Lexmark International, Inc.
Randal Scott Williamson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Replaceable unit for an electrophotographic image forming device ha...
Patent number
10,775,737
Issue date
Sep 15, 2020
Lexmark International, Inc.
James Richard Leemhuis
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Replaceable unit for an electrophotographic image forming device ha...
Patent number
10,649,399
Issue date
May 12, 2020
Lexmark Internatioanl, Inc.
James Richard Leemhuis
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Drive actuation of a toner agitator assembly and an encoded member...
Patent number
10,527,969
Issue date
Jan 7, 2020
Lexmark International, Inc.
Randal Scott Williamson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner container having a common input gear for a toner agitator ass...
Patent number
10,527,967
Issue date
Jan 7, 2020
Lexmark International, Inc.
Randal Scott Williamson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Replaceable unit for an electrophotographic image forming device ha...
Patent number
10,496,027
Issue date
Dec 3, 2019
Lexmark International, Inc.
Brian Scott Carpenter
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner cartridge having a biasing assembly for biasing a media feed...
Patent number
10,444,661
Issue date
Oct 15, 2019
Lexmark International, Inc.
Gregory Alan Cavill
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Replaceable unit for an electrophotographic image forming device ha...
Patent number
10,429,790
Issue date
Oct 1, 2019
Lexmark International, Inc.
Brian Scott Carpenter
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Toner agitator assembly
Patent number
10,203,628
Issue date
Feb 12, 2019
Lexmark International, Inc.
Randal Scott Williamson
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
TONER CARTRIDGE LATCHING
Publication number
20230333507
Publication date
Oct 19, 2023
Lexmark International, Inc.
RANDAL SCOTT WILLIAMSON
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SEALING ASSEMBLY FOR AN ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE
Publication number
20230273549
Publication date
Aug 31, 2023
Lexmark International, Inc.
MARK WILLIAM AMANN
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER CARTRIDGE LATCHING
Publication number
20220171325
Publication date
Jun 2, 2022
Lexmark International, Inc.
RANDAL SCOTT WILLIAMSON
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER CONTAINER HAVING A COMMON INPUT GEAR FOR A TONER AGITATOR ASS...
Publication number
20220091538
Publication date
Mar 24, 2022
LEXMARK INTERNATIONAL, INC.
RANDAL SCOTT WILLIAMSON
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
REPLACEABLE UNITS OF AN ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE HA...
Publication number
20220035304
Publication date
Feb 3, 2022
Lexmark International, Inc.
GREGORY ALAN CAVILL
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
REPLACEABLE UNIT FOR AN ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE HA...
Publication number
20210364984
Publication date
Nov 25, 2021
Lexmark International, Inc.
James Richard Leemhuis
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SENSOR POSITIONING BY A REPLACEABLE UNIT OF AN IMAGE FORMING DEVICE
Publication number
20210247705
Publication date
Aug 12, 2021
Lexmark International, Inc.
VIRGIL JOHNSON
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER CONTAINER HAVING AN ENCODED MEMBER AND AN ALIGNMENT GUIDE FOR...
Publication number
20210247704
Publication date
Aug 12, 2021
Lexmark International, Inc.
VIRGIL JOHNSON
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
REPLACEABLE UNITS OF AN ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE HA...
Publication number
20210200142
Publication date
Jul 1, 2021
Lexmark International, Inc.
GREGORY ALAN CAVILL
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SEALING ASSEMBLY FOR AN ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE
Publication number
20210200122
Publication date
Jul 1, 2021
Lexmark International, Inc.
MARK WILLIAM AMANN
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER AGITATOR SUPPORT
Publication number
20210200115
Publication date
Jul 1, 2021
Lexmark International, Inc.
BRIAN SCOTT CARPENTER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SHIPPING OR STORAGE SEPARATOR FOR REPLACEABLE UNITS OF AN ELECTROPH...
Publication number
20210200144
Publication date
Jul 1, 2021
Lexmark International, Inc.
GREGORY ALAN CAVILL
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER CARTRIDGE LATCHING
Publication number
20210181670
Publication date
Jun 17, 2021
Lexmark International, Inc.
RANDAL SCOTT WILLIAMSON
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER CONTAINER HAVING A COMMON INPUT GEAR FOR A TONER AGITATOR ASS...
Publication number
20210048765
Publication date
Feb 18, 2021
Lexmark International, Inc.
RANDAL SCOTT WILLIAMSON
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
REPLACEABLE UNIT FOR AN ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE HA...
Publication number
20200371469
Publication date
Nov 26, 2020
Lexmark International, Inc.
James Richard Leemhuis
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SEALING ASSEMBLY FOR AN ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE
Publication number
20200348620
Publication date
Nov 5, 2020
Lexmark International, Inc.
MARK WILLIAM AMANN
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SENSOR POSITIONING BY A REPLACEABLE UNIT OF AN IMAGE FORMING DEVICE
Publication number
20200218175
Publication date
Jul 9, 2020
Lexmark International, Inc.
VIRGIL JOHNSON
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER CONTAINER HAVING AN ENCODED MEMBER AND AN ALIGNMENT GUIDE FOR...
Publication number
20200218174
Publication date
Jul 9, 2020
Lexmark International, Inc.
VIRGIL JOHNSON
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER CONTAINER HAVING A COMMON INPUT GEAR FOR A TONER AGITATOR ASS...
Publication number
20200117120
Publication date
Apr 16, 2020
Lexmark International, Inc.
RANDAL SCOTT WILLIAMSON
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
REPLACEABLE UNIT FOR AN ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE HA...
Publication number
20190377298
Publication date
Dec 12, 2019
Lexmark International, Inc.
BRIAN SCOTT CARPENTER
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETOMETER CHIP SENSOR ARRAY FOR READING A MAGNETIC PUF, INCLUDIN...
Publication number
20190369174
Publication date
Dec 5, 2019
Lexmark International, Inc.
WILLIAM POHL CORBETT
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
REPLACEABLE UNIT FOR AN ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE HA...
Publication number
20190121280
Publication date
Apr 25, 2019
Lexmark International, Inc.
BRIAN SCOTT CARPENTER
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
REPLACEABLE UNIT HAVING A MEDIA FEED ROLL ASSEMBLY FOR AN ELECTROPH...
Publication number
20190121277
Publication date
Apr 25, 2019
Lexmark International, Inc.
GREGORY ALAN CAVILL
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER CARTRIDGE HAVING A BIASING ASSEMBLY FOR BIASING A MEDIA FEED...
Publication number
20190121256
Publication date
Apr 25, 2019
Lexmark International, Inc.
GREGORY ALAN CAVILL
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
REPLACEABLE UNIT FOR AN ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE HA...
Publication number
20180224796
Publication date
Aug 9, 2018
Lexmark International, Inc.
BRIAN SCOTT CARPENTER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING DEVICE HAVING A REPLACEABLE TONER CARTRIDGE THAT INCL...
Publication number
20180024464
Publication date
Jan 25, 2018
Lexmark International, Inc.
John Andrew Buchanan
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE HAVING A REPLACEABLE UNIT...
Publication number
20170315496
Publication date
Nov 2, 2017
LEXMARK INTERNATIONAL, INC.
BRIAN SCOTT CARPENTER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
REPLACEABLE UNIT FOR AN ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE HA...
Publication number
20170168447
Publication date
Jun 15, 2017
Lexmark International, Inc.
BRIAN SCOTT CARPENTER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
VARIABLE FORCE WIPER FOR MAINTENANCE STATION OF IMAGING DEVICE
Publication number
20170157936
Publication date
Jun 8, 2017
Funai Electric Co., Ltd.
Randal S. Williamson
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Physical Unclonable Function of a Supply Item
Publication number
20170102668
Publication date
Apr 13, 2017
Lexmark International, Inc.
Roger Steven Cannon
H04 - ELECTRIC COMMUNICATION TECHNIQUE