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Jon Scharrer
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Johnson Creek, WI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Spherical valve stem seat
Patent number
11,035,486
Issue date
Jun 15, 2021
T-LON PRODUCTS, INC.
Jon Scharrer
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Apparatus and systems for preventing extrusion
Patent number
10,520,086
Issue date
Dec 31, 2019
T-LON PRODUCTS, INC.
Jon Scharrer
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Directional drill hammer pullback device
Patent number
9,611,696
Issue date
Apr 4, 2017
Earth Tool Company LLC
Robert F. Crane
E21 - EARTH DRILLING MINING
Information
Patent Grant
Directional drill hammer pullback device
Patent number
9,169,946
Issue date
Oct 27, 2015
Earth Tool Company L.L.C.
Robert F. Crane
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
SPHERICAL VALVE STEM SEAT AND METHOD OF MAKING SAME
Publication number
20190316702
Publication date
Oct 17, 2019
T-Lon Products, Inc.
Jon Scharrer
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Apparatus for Preventing Extrusion and Method of Manufacturing an A...
Publication number
20190017600
Publication date
Jan 17, 2019
T-Lon Products, Inc.
Jon Scharrer
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Directional Drill Hammer Pullback Device
Publication number
20160010394
Publication date
Jan 14, 2016
EARTH TOOL COMPANY LLC
Robert F. Crane
E21 - EARTH DRILLING MINING
Information
Patent Application
Directional Drill Hammer Pullback Device
Publication number
20140255103
Publication date
Sep 11, 2014
EARTH TOOL COMPANY LLC
Robert F. Crane
E21 - EARTH DRILLING MINING