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David Henry Rudge
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Burlington, CA
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Patents Grants
last 30 patents
Information
Patent Grant
System and method for in-motion railcar loading
Patent number
11,511,776
Issue date
Nov 29, 2022
BHP BILLITON CANADA INC.
Martin Murray
B61 - RAILWAYS
Information
Patent Grant
Wear resistant composite material, its application in cooling eleme...
Patent number
10,527,352
Issue date
Jan 7, 2020
Hatch Ltd.
Dustin Alexander Vickress
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Furnace cooling system with thermally conductive joints between coo...
Patent number
10,259,084
Issue date
Apr 16, 2019
Hatch Ltd.
Robert J. Veenstra
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for removal and replacement of a hinged lid on a metallur...
Patent number
8,262,982
Issue date
Sep 11, 2012
Hatch Ltd.
Song Leng
B66 - HOISTING LIFTING HAULING
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM AND METHOD FOR IN-MOTION RAILCAR LOADING
Publication number
20200156670
Publication date
May 21, 2020
BHP Billiton Canada Inc.
Martin Murray
B61 - RAILWAYS
Information
Patent Application
WEAR RESISTANT COMPOSITE MATERIAL, ITS APPLICATION IN COOLING ELEME...
Publication number
20180347905
Publication date
Dec 6, 2018
Hatch Ltd.
Maciej Urban Jastrzebski
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Application
FURNACE COOLING SYSTEM WITH THERMALLY CONDUCTIVE JOINTS BETWEEN COO...
Publication number
20160250726
Publication date
Sep 1, 2016
Hatch Ltd.
John Andrew, Ferguson Shaw
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
APPARATUS FOR REMOVAL AND REPLACEMENT OF A HINGED LID ON A METALLUR...
Publication number
20110133373
Publication date
Jun 9, 2011
Hatch Ltd.
Song Leng
B66 - HOISTING LIFTING HAULING