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Tom Roberts
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Bolingbrook, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and method for tin-tie application
Patent number
8,820,381
Issue date
Sep 2, 2014
Plitek L.L.C.
Karl K. Hoffman
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Apparatus and method for lubricating pressure relief valves
Patent number
8,522,926
Issue date
Sep 3, 2013
Plitek, L.L.C.
Karl K. Hoffman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Apparatus for the application of pressure relief valves
Patent number
8,082,644
Issue date
Dec 27, 2011
Plitek L.L.C.
Karl K. Hoffman
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method for the application of pressure relief valves
Patent number
7,472,524
Issue date
Jan 6, 2009
Plitek, L.L.C.
Karl K. Hoffman
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Apparatus and method for the application of pressure relief valves
Patent number
7,328,543
Issue date
Feb 12, 2008
Plitek, L.L.C.
Karl K. Hoffman
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Process for manufacturing electrochemical cells
Patent number
6,287,721
Issue date
Sep 11, 2001
Thomas & Betts International, Inc.
Like Xie
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Method For Lubricating Pressure Relief Valves
Publication number
20170246826
Publication date
Aug 31, 2017
Karl K. Hoffman
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Application
Method For Lubricating Pressure Relief Valves
Publication number
20150038309
Publication date
Feb 5, 2015
Karl K. Hoffman
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Application
APPARATUS AND METHOD FOR TIN-TIE APPLICATION
Publication number
20120247346
Publication date
Oct 4, 2012
Karl K. Hoffman
B30 - PRESSES
Information
Patent Application
Apparatus for the application of pressure relief valves
Publication number
20090271965
Publication date
Nov 5, 2009
Plitek, L.L.C.
Karl K. Hoffman
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Method for the application of pressure relief vales
Publication number
20080172985
Publication date
Jul 24, 2008
Plitek, L.L.C.
Karl K. Hoffman
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Apparatus and method for lubricating pressure relief valves
Publication number
20080041663
Publication date
Feb 21, 2008
Plitek, L.L.C.
Karl K. Hoffman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
APPARATUS AND METHOD FOR THE APPLICATION OF PRESSURE RELIEF VALVES
Publication number
20070266675
Publication date
Nov 22, 2007
Plitek, L.L.C.
Karl K. Hoffman
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL