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Dennis M. DeFreitas
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Oxford, NY, US
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last 30 patents
Information
Patent Grant
Ignition methods and apparatus using microwave and laser energy
Patent number
5,845,480
Issue date
Dec 8, 1998
Unison Industries Limited Partnership
Dennis Michael DeFreitas
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ignition apparatus using electrostatic nozzle and catalytic igniter
Patent number
5,695,328
Issue date
Dec 9, 1997
Simmonds Precision Engine Systems & Precision Combustion
Dennis Michael DeFreitas
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ignition methods and apparatus using microwave energy
Patent number
5,689,949
Issue date
Nov 25, 1997
Simmonds Precision Engine Systems, Inc.
Dennis M. DeFreitas
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ignition methods and apparatus using microwave energy
Patent number
5,673,554
Issue date
Oct 7, 1997
Simmonds Precision Engine Systems, Inc.
Dennis Michael DeFreitas
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ignition methods and apparatus for combustors
Patent number
5,628,180
Issue date
May 13, 1997
Simmonds Precision Engine Systems
Dennis M. DeFreitas
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Ignition methods and apparatus for combustors
Patent number
5,590,517
Issue date
Jan 7, 1997
Simmonds Precision Engine Systems, Inc.
Dennis M. DeFreitas
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Electrostatic fuel injector body with igniter electrodes formed in...
Patent number
5,588,299
Issue date
Dec 31, 1996
Simmonds Precision Engine Systems, Inc.
Dennis M. DeFreitas
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Commonly housed electrostatic fuel atomizer and igniter apparatus f...
Patent number
5,515,681
Issue date
May 14, 1996
Simmonds Precision Engine Systems
Dennis M. DeFreitas
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Temperature detector and control for an igniter
Patent number
5,499,497
Issue date
Mar 19, 1996
Simmonds Precision Engine Systems
Dennis M. DeFreitas
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Laser ignition methods and apparatus for combustors
Patent number
5,367,869
Issue date
Nov 29, 1994
Simmonds Precision Engine Systems
Dennis M. DeFreitas
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS