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Allan J. MacRae
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Hayward, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Stave cooler
Patent number
10,982,902
Issue date
Apr 20, 2021
MacRae Technologies, Inc.
Allan J. MacRae
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Water pipe collection box and stave cooler support
Patent number
10,954,574
Issue date
Mar 23, 2021
Allan J. MacRae
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Stave cooler with common coolant collar
Patent number
10,870,898
Issue date
Dec 22, 2020
MacRae Technologies, Inc.
Allan J. MacRae
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method for stabilizing thermal conduction of block coolers with cas...
Patent number
10,684,078
Issue date
Jun 16, 2020
MacRae Technologies, Inc.
Allan J. MacRae
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Furnace bricks, coolers, and shells/bindings operating in systemic...
Patent number
10,533,802
Issue date
Jan 14, 2020
MacRae Technologies, Inc.
Allan J. MacRae
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Cantilevered cooler shelf for refractory brick furnaces
Patent number
10,393,438
Issue date
Aug 27, 2019
MacRae Technologies, Inc.
Allan J. MacRae
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Wear-resistant, single penetration stave coolers
Patent number
10,364,475
Issue date
Jul 30, 2019
MacRae Technologies, Inc.
Allan J. MacRae
C21 - METALLURGY OF IRON
Information
Patent Grant
Panel for ferrous or non-ferrous metal making furnace
Patent number
10,247,477
Issue date
Apr 2, 2019
Todd G. Smith
C21 - METALLURGY OF IRON
Information
Patent Grant
Long campaign life stave coolers for circular furnaces with contain...
Patent number
9,963,754
Issue date
May 8, 2018
Allan J. MacRae
C21 - METALLURGY OF IRON
Information
Patent Grant
Thin stave cooler and support frame system
Patent number
8,834,784
Issue date
Sep 16, 2014
Allan J. MacRae
C21 - METALLURGY OF IRON
Information
Patent Grant
Elastically interconnected cooler compressed hearth and walls
Patent number
8,696,978
Issue date
Apr 15, 2014
Allan MacRae
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Furnace refractory brick hearth tap hole
Patent number
8,574,488
Issue date
Nov 5, 2013
Allan MacRae
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Furnace refractory brick hearth system
Patent number
8,446,929
Issue date
May 21, 2013
Allan J. MacRae
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Wide-range round-bottom hearth-brick compression system
Patent number
8,325,779
Issue date
Dec 4, 2012
Allan J. MacRae
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Eddy-free high velocity cooler
Patent number
8,268,233
Issue date
Sep 18, 2012
Allan J. MacRae
C21 - METALLURGY OF IRON
Information
Patent Grant
Furnace-wall cooling block
Patent number
6,280,681
Issue date
Aug 28, 2001
Allan J. MacRae
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
SINGLE MOUNTING CAST IRON OR COPPER STAVE COOLER
Publication number
20240219120
Publication date
Jul 4, 2024
MacRae Technologies, Inc.
Allan J. MacRae
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Application
METHODS FOR MANUFACTURING HIGH HEAT FLUX REGIME COOLERS
Publication number
20230097541
Publication date
Mar 30, 2023
Allan J. MacRae
C21 - METALLURGY OF IRON
Information
Patent Application
METHODS FOR MANUFACTURING HIGH HEAT FLUX REGIME COOLERS
Publication number
20210324490
Publication date
Oct 21, 2021
MacRae Technologies, Inc.
Allan J. MacRae
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
STAVE COOLER
Publication number
20200348080
Publication date
Nov 5, 2020
MacRae Technologies, Inc.
Allan J. MacRae
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Application
GLYCOL DEHYDRATING FURNACE COOLANTS
Publication number
20200017744
Publication date
Jan 16, 2020
MacRae Technologies, Inc.
Allan J. MacRae
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Application
INTRINSICALLY SAFE, EFFICIENT RICH GLYCOL FURNACE COOLANTS
Publication number
20190367793
Publication date
Dec 5, 2019
MacRae Technologies, Inc.
Allan J. MacRae
C21 - METALLURGY OF IRON
Information
Patent Application
FURNACE BRICKS, COOLERS, AND SHELLS/BINDINGS OPERATING IN SYSTEMIC...
Publication number
20190310018
Publication date
Oct 10, 2019
MacRae Technologies, Inc.
Allan J. MacRae
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH HEAT FLUX REGIME COOLERS
Publication number
20190276906
Publication date
Sep 12, 2019
MacRae Technologies, Inc.
Allan J. MacRae
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
WATER PIPE COLLECTION BOX AND STAVE COOLER SUPPORT
Publication number
20190271049
Publication date
Sep 5, 2019
MacRae Technologies, Inc.
Allan J. MacRae
C21 - METALLURGY OF IRON
Information
Patent Application
STAVE COOLER WITH COMMON COOLANT COLLAR
Publication number
20190256936
Publication date
Aug 22, 2019
MacRae Technologies, Inc.
Allan J. MacRae
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Plate cooler stave apparatus and methods for ferrous or non-ferrous...
Publication number
20190170439
Publication date
Jun 6, 2019
Berry Metal Company
Todd G. Smith
C21 - METALLURGY OF IRON
Information
Patent Application
CANTILEVERED COOLER SHELF FOR REFRACTORY BRICK FURNACES
Publication number
20190063839
Publication date
Feb 28, 2019
Allan J. MacRae
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Application
WEAR-RESISTANT, SINGLE PENETRATION STAVE COOLERS
Publication number
20180347002
Publication date
Dec 6, 2018
Allan J. MacRae
C21 - METALLURGY OF IRON
Information
Patent Application
WATER-BASED HEAT TRANSFER FLUID COOLING SYSTEMS INTRINSICALLY SAFE...
Publication number
20180245171
Publication date
Aug 30, 2018
Allan J. MacRae
C21 - METALLURGY OF IRON
Information
Patent Application
LONG CAMPAIGN LIFE STAVE COOLERS FOR CIRCULAR FURNACES WITH CONTAIN...
Publication number
20180073090
Publication date
Mar 15, 2018
Allan J. MacRae
C21 - METALLURGY OF IRON
Information
Patent Application
LINTEL SHELF COOLERS IN VERTICALLY ORIENTED FURNACES
Publication number
20180003440
Publication date
Jan 4, 2018
Allan J. MacRae
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
APPARATUS AND METHODS FOR GAS TIGHT SECONDARY COPPER STAVE SUPPORT
Publication number
20130203007
Publication date
Aug 8, 2013
Berry Metal Company
Todd G. Smith
C21 - METALLURGY OF IRON
Information
Patent Application
FURNACE REFRACTORY BRICK HEARTH TAP HOLE
Publication number
20130099432
Publication date
Apr 25, 2013
Allan MacRae
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Application
ELASTICALLY INTERCONNECTED COOLER COMPRESSED HEARTH AND WALLS
Publication number
20130099430
Publication date
Apr 25, 2013
Allan MacRae
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Application
THIN STAVE COOLER AND SUPPORT FRAME SYSTEM
Publication number
20120193843
Publication date
Aug 2, 2012
Allan J. MacRae
C21 - METALLURGY OF IRON
Information
Patent Application
EDDY-FREE HIGH VELOCITY COOLER
Publication number
20110088600
Publication date
Apr 21, 2011
Allan J. MacRae
C21 - METALLURGY OF IRON
Information
Patent Application
WIDE-RANGE ROUND-BOTTOM HEARTH-BRICK COMPRESSION SYSTEM
Publication number
20100132599
Publication date
Jun 3, 2010
Allan J. MacRae
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
FURNACE HEARTH COMPRESSION
Publication number
20080190336
Publication date
Aug 14, 2008
Allan J. MacRae
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES