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Charlottesville, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Positive displacement rotary devices
Patent number
11,111,788
Issue date
Sep 7, 2021
Mallen Research Limited Partnership
David Alton McDaniel
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Positive displacement rotary devices with uniform tolerances
Patent number
10,138,730
Issue date
Nov 27, 2018
Mallen Research Limited Partnership
David Alton McDaniel
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Positive displacement rotary devices with uniquely configured voids
Patent number
9,664,047
Issue date
May 30, 2017
Mallen Research Limited Partnership
David Alton McDaniel
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Positive displacement rotary devices with uniform tolerances
Patent number
9,664,048
Issue date
May 30, 2017
Mallen Research Limited Partnership
David Alton McDaniel
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Fixed-vane positive displacement rotary devices
Patent number
8,956,134
Issue date
Feb 17, 2015
Mallen Research Limited
David Alton McDaniel
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Vane pumping machine utilizing invar-class alloys for maximizing op...
Patent number
6,435,851
Issue date
Aug 20, 2002
Mallen Research Ltd., Partnership
Brian D. Mallen
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Variable bandwidth striated charge for use in a rotary vane pumping...
Patent number
6,386,172
Issue date
May 14, 2002
Mallen Research Ltd.
Brian D. Mallen
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Hot wall combustion insert for a rotary vane pumping machine
Patent number
6,321,713
Issue date
Nov 27, 2001
Mallen Research Corporation
Brian D. Mallen
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Rotary positive-displacement scavenging device for rotary vane pump...
Patent number
6,244,240
Issue date
Jun 12, 2001
Mallen Research Limited Partnership
Brian D. Mallen
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Cooling system for a rotary vane pumping machine
Patent number
6,241,497
Issue date
Jun 5, 2001
Mallen Research Limited Partnership
Brian D. Mallen
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Vane pumping machine utilizing invar-class alloys for maximizing op...
Patent number
6,162,034
Issue date
Dec 19, 2000
Mallen Research Ltd., Partnership
Brian D. Mallen
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Vane slot roller assembly for rotary vane pumping machine and metho...
Patent number
6,120,271
Issue date
Sep 19, 2000
Mallen Research Corporation
Brian D. Mallen
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Rotary-linear vane guidance in a rotary vane pumping machine
Patent number
6,120,273
Issue date
Sep 19, 2000
Mallen Research Corporation
Brian D. Mallen
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Cooling system for a rotary vane pumping machine
Patent number
6,086,346
Issue date
Jul 11, 2000
Mallen Research Corporation
Brian D. Mallen
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Rotary-linear vane guidance in a rotary vane machine
Patent number
6,036,462
Issue date
Mar 14, 2000
Mallen Research Ltd. Partnership
Brian D. Mallen
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Vortex generator for sliding van internal combustion engine
Patent number
5,979,395
Issue date
Nov 9, 1999
Mallen Research Ltd. Partnership
Brian D. Mallen
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Sliding vane engine
Patent number
5,524,587
Issue date
Jun 11, 1996
Mallen Research Ltd. Partnership
Brian D. Mallen
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method of reducing emissions in a sliding vane internal combustion...
Patent number
5,524,586
Issue date
Jun 11, 1996
Mallen Research Ltd. Partnership
Brian D. Mallen
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Helicotoroidal vane rotary engine
Patent number
5,474,043
Issue date
Dec 12, 1995
Mallen Research Ltd. Partnership
Brian D. Mallen
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Patents Applications
last 30 patents
Information
Patent Application
POSITIVE DISPLACEMENT ROTARY DEVICES
Publication number
20170226856
Publication date
Aug 10, 2017
MALLEN RESEARCH LIMITED PARTNERSHIP
David Alton MCDANIEL
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
POSITIVE DISPLACEMENT ROTARY DEVICES
Publication number
20150184657
Publication date
Jul 2, 2015
MALLEN RESEARCH LIMITED PARTNERSHIP
David Alton MCDANIEL
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
POSITIVE DISPLACEMENT ROTARY DEVICES
Publication number
20150167464
Publication date
Jun 18, 2015
MALLEN RESEARCH LIMITED PARTNERSHIP
David Alton MCDANIEL
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
FIXED-VANE POSITIVE DISPLACEMENT ROTARY DEVICES
Publication number
20140056745
Publication date
Feb 27, 2014
MALLEN RESEARCH LIMITED PARTNERSHIP
David Alton MCDANIEL
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Trademark
last 30 trademarks
Information
Trademark
75464752 - ECOVANE
Serial number
75464752
Filing date
Apr 8, 1998
Mallen Research Ltd. Partnership
12 - Vehicles
Information
Trademark
75098200 - TURBOVANE
Serial number
75098200
Filing date
May 3, 1996
Mallen Research Ltd.
7 - Machines and machine tools
Information
Trademark
75094454 - TURBOVANE
Serial number
75094454
Filing date
Apr 26, 1996
Mallen Research Ltd.
12 - Vehicles