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Dwight D. Back
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Pembroke Pines, FL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Compositions and methods for detecting leaks in HVAC/R systems
Patent number
8,418,530
Issue date
Apr 16, 2013
Mainstream Engineering Corporation
Robert P. Scaringe
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and method for self-heating and self-hydrating foods and...
Patent number
8,062,528
Issue date
Nov 22, 2011
Mainstream Engineering Corp.
Dwight D. Back
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Replacement solvents having improved properties and methods of usin...
Patent number
7,998,916
Issue date
Aug 16, 2011
Mainstream Engineering Corporation
Lawrence R. Grzyll
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Replacement solvents having improved properties and methods of usin...
Patent number
7,960,331
Issue date
Jun 14, 2011
Lawrence R. Grzyll
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Apparatus and method for self-heating and self-hydrating foods and...
Patent number
7,846,332
Issue date
Dec 7, 2010
Mainstream Engineering Corporation
Dwight D. Back
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Replacement solvents having improved properties and methods of usin...
Patent number
7,429,557
Issue date
Sep 30, 2008
Mainstream Engineering Corporation
Lawrence R. Grzyll
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Formulation and method for treating wetted surface elements in clim...
Patent number
6,638,431
Issue date
Oct 28, 2003
Mainstream Engineering Corporation
Dwight D. Back
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Removable test kit and method of use for vapor compression systems
Patent number
6,576,473
Issue date
Jun 10, 2003
Mainstream Engineering Corporation
Robert P. Scaringe
G01 - MEASURING TESTING
Information
Patent Grant
Active topical skin protectants using polymer coated metal alloys
Patent number
6,437,005
Issue date
Aug 20, 2002
The United States of America as represented by the Secretary of the Army
Stephen T. Hobson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Magnetic bearing system and method of controlling magnetic bearing...
Patent number
6,429,561
Issue date
Aug 6, 2002
Mainstream Engineering Corporation
Russell W. Davis
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method of introducing an in situant into a vapor compression system...
Patent number
6,327,897
Issue date
Dec 11, 2001
Mainstream Engineering Corporation
Robert Peter Scaringe
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Clothes washer and dryer system for recycling and reusing graywater
Patent number
6,327,731
Issue date
Dec 11, 2001
Mainstream Engineering Corporation
Dwight D. Back
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Method for treating water over an extended time using tablets and p...
Patent number
6,303,039
Issue date
Oct 16, 2001
Mainstream Engineering Corporation
Dwight D. Back
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Noble gas storage and flow control system for ion propulsion
Patent number
6,301,876
Issue date
Oct 16, 2001
Mainstream Engineering Corporation
Dwight Douglas Back
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Noble gas storage and delivery system for ion propulsion
Patent number
6,286,304
Issue date
Sep 11, 2001
Mainstream Engineering Corporation
Dwight Douglas Back
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Clothes washer and dryer system for recycling and reusing gray water
Patent number
6,269,667
Issue date
Aug 7, 2001
Mainstream Engineering Corporation
Dwight D. Back
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Method of introducing an additive into a fluid system, especially u...
Patent number
6,170,320
Issue date
Jan 9, 2001
Mainstream Engineering Corporation
Robert P. Scaringe
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method for coating reactive metal alloy powders and their use in de...
Patent number
6,136,373
Issue date
Oct 24, 2000
Mainstream Engineering Corporation
Dwight D. Back
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Composition and method for de-icing and anti-icing surfaces
Patent number
5,993,684
Issue date
Nov 30, 1999
Mainstream Engineering Corporation
Dwight D. Back
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method and system for the destruction of hetero-atom organics using...
Patent number
5,922,926
Issue date
Jul 13, 1999
Mainstream Engineering Corporation
Dwight Douglas Back
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Process and system for recycling and reusing gray water
Patent number
5,868,937
Issue date
Feb 9, 1999
Mainstream Engineering Corporation
Dwight Douglas Back
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Water disinfection method using metal-ligand complexes
Patent number
5,632,904
Issue date
May 27, 1997
Mainstream Engineering Corporation
Nidal A. Samad
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process and apparatus for oxidizing and neutralizing caustic waste...
Patent number
5,607,653
Issue date
Mar 4, 1997
Mainstream Engineering Corporation
Dwight D. Back
C05 - FERTILISERS MANUFACTURE THEREOF
Patents Applications
last 30 patents
Information
Patent Application
Apparatus and Method for Self-Heating and Self-Hydrating Foods and...
Publication number
20100300969
Publication date
Dec 2, 2010
Mainstream Engineering Corp.
Dwight D. Back
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Replacement Solvents Having Improved Properties and Methods of Usin...
Publication number
20090026418
Publication date
Jan 29, 2009
Mainstream Engineering Corp.
Lawrence R. Grzyll
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
Replacement Solvents Having Improved Properties and Methods of Usin...
Publication number
20090005282
Publication date
Jan 1, 2009
Mainstream Engineering Corp.
Lawrence R. Grzyll
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
Nanotube/metal substrate composites and methods for producing such...
Publication number
20060233692
Publication date
Oct 19, 2006
Mainstream Engineering Corp.
Robert P. Scaringe
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
Self cleaning electrostatic air cleaning system
Publication number
20060174763
Publication date
Aug 10, 2006
Mainstream Engineering Corporation
Robert P. Scaringe
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
Replacement solvents having improved properties and methods of usin...
Publication number
20060166851
Publication date
Jul 27, 2006
Mainstream Engineering Corp.
Lawrence R. Grzyll
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
Nanotube composites and methods for producing
Publication number
20060025515
Publication date
Feb 2, 2006
Mainstream Engineering Corp.
Robert P. Scaringe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Nanotube/metal substrate composites and methods for producing such...
Publication number
20050238810
Publication date
Oct 27, 2005
Mainstream Engineering Corp.
Robert P. Scaringe
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
Formulation and method for treating wetted surface elements in clim...
Publication number
20020162800
Publication date
Nov 7, 2002
Dwight D. Back
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Method of introducing an in situant into a vapor compression system...
Publication number
20020007663
Publication date
Jan 24, 2002
Mainstream Engineering Corporation
Robert Peter Scaringe
G01 - MEASURING TESTING
Information
Patent Application
Fire extinguishing methods and blends utilizing unsaturated perfluo...
Publication number
20010032960
Publication date
Oct 25, 2001
Lawrence Robert Grzyll
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Application
Clothes washer and dryer system for recycling and reusing graywater
Publication number
20010027580
Publication date
Oct 11, 2001
Mainstream Engineering Corporation
Dwight D. Back
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC