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Mark Wilkinson
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Irmo, SC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method for forming a lantern ring for a shaft sealing system
Patent number
12,110,965
Issue date
Oct 8, 2024
SEAL RYT CORP.
Mark R. Wilkinson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method of forming a pillar lantern ring for a shaft sealing system
Patent number
11,566,709
Issue date
Jan 31, 2023
SEAL-Ryr CORP.
Mark R. Wilkinson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pillar lantern ring for a shaft sealing system
Patent number
11,054,036
Issue date
Jul 6, 2021
SEAL RYT CORP.
Mark R. Wilkinson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Extended pillar lantern ring
Patent number
D917674
Issue date
Apr 27, 2021
SEAL RYT CORP.
Mark R. Wilkinson
D23 - Environmental heating and cooling
Information
Patent Grant
Pillar lantern ring
Patent number
D917673
Issue date
Apr 27, 2021
SEAL RYT CORP.
Mark R. Wilkinson
D23 - Environmental heating and cooling
Information
Patent Grant
Pillar lantern ring with a brace
Patent number
D917675
Issue date
Apr 27, 2021
SEAL RYT CORP.
Mark R. Wilkinson
D23 - Environmental heating and cooling
Information
Patent Grant
Universally adaptable, easy to load trimmer head with free rotating...
Patent number
9,861,033
Issue date
Jan 9, 2018
Shakespeare Company, LLC
David B. Skinner
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Seal bearing assembly with annular cylinder of two outer cylindrica...
Patent number
9,638,251
Issue date
May 2, 2017
Seal-Ryt Corporation
Lynne A. Thoma
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Trimmer line cutting device and method
Patent number
9,555,552
Issue date
Jan 31, 2017
Shakespeare Company, LLC
David B. Skinner
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Seal-bearing assembly
Patent number
9,347,488
Issue date
May 24, 2016
Seal-Ryt Corporation
Lynne A. Thoma
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Locking collar for cylindrical cavity
Patent number
9,206,903
Issue date
Dec 8, 2015
SEAL RYT CORP.
Michael F. Huard
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Seal-bearing assembly
Patent number
8,814,432
Issue date
Aug 26, 2014
Seal-Ryt Corporation
Lynne A. Thoma
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Gland follower with integral loading cylinders for a rotary or reci...
Patent number
D695788
Issue date
Dec 17, 2013
Mark R. Wilkinson
D15 - Machines not elsewhere specified
Information
Patent Grant
Stuffing box bushing with lantern ring and a slit with a locking fe...
Patent number
D679301
Issue date
Apr 2, 2013
Mark R. Wilkinson
D15 - Machines not elsewhere specified
Information
Patent Grant
Stuffing box bushing having a slit with a locking feature
Patent number
D679302
Issue date
Apr 2, 2013
Mark R. Wilkinson
D15 - Machines not elsewhere specified
Information
Patent Grant
Shaft sealing system for a rotary mechanical device
Patent number
6,834,862
Issue date
Dec 28, 2004
Mark R. Wilkinson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method of making packing material having expanded graphite disperse...
Patent number
5,716,055
Issue date
Feb 10, 1998
Calconn, Inc.
Mark R. Wilkinson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Packing material having expanded graphite dispersed throughout
Patent number
5,687,974
Issue date
Nov 18, 1997
Calconn, Inc.
Mark R. Wilkinson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
COMPOSITE BEARING
Publication number
20250154985
Publication date
May 15, 2025
SEAL RYT CORP.
Mark R. Wilkinson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
METHOD FOR FORMING A LANTERN RING FOR A SHAFT SEALING SYSTEM
Publication number
20230243427
Publication date
Aug 3, 2023
SEAL RYT CORP.
MARK R. WILKINSON
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
METHOD OF FORMING A PILLAR LANTERN RING FOR A SHAFT SEALING SYSTEM
Publication number
20210285547
Publication date
Sep 16, 2021
MARK R. WILKINSON
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
PILLAR LANTERN RING FOR A SHAFT SEALING SYSTEM
Publication number
20200103034
Publication date
Apr 2, 2020
SEAL-RYT CORPORATION
MARK R. WILKINSON
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
SEAL-BEARING ASSEMBLY
Publication number
20160238077
Publication date
Aug 18, 2016
SEAL-RYT CORPORATION
LYNNE A. THOMA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
UNIVERSALLY ADAPTABLE, EASY TO LOAD TRIMMER HEAD WITH FREE ROTATING...
Publication number
20150327436
Publication date
Nov 19, 2015
SHAKESPEARE COMPANY, LLC
David B. Skinner
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
SEAL-BEARING ASSEMBLY
Publication number
20140314346
Publication date
Oct 23, 2014
SEAL-RYT CORPORATlON
LYNNE A. THOMA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
SEAL-BEARING ASSEMBLY
Publication number
20140105527
Publication date
Apr 17, 2014
Lynne A. THOMA
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
LOCKING COLLAR FOR CYLINDRICAL CAVITY
Publication number
20130127121
Publication date
May 23, 2013
SEAL RYT CORP.
MICHAEL F. HUARD
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Stuffing box bushing, assembly and method of manufacture
Publication number
20070170657
Publication date
Jul 26, 2007
Mark R. Wilkinson
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Stuffing box bushing, assembly and method of manufacture
Publication number
20070170658
Publication date
Jul 26, 2007
Mark R. Wilkinson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Shaft sealing system for a rotary mechanical device
Publication number
20030107183
Publication date
Jun 12, 2003
Mark R. Wilkinson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...