RG Delaware, Inc.

Organization

Wilmington, DE, US

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Flume system for a filter system including at least one filter havi...
- Patent number 8,992,774
- Issue date Mar 31, 2015
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Dissolved air flotation clarifier
- Patent number 8,518,266
- Issue date Aug 27, 2013
- RG Delaware, Inc.
- R. Lee Roberts
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Underdrain system
- Patent number 8,409,437
- Issue date Apr 2, 2013
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Flume system for a filter system including at least one filter havi...
- Patent number 8,333,889
- Issue date Dec 18, 2012
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of washing a particulate filter bed using an underdrain
- Patent number 8,277,665
- Issue date Oct 2, 2012
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Underdrain for a filter system for filtering water or wastewater an...
- Patent number 8,070,946
- Issue date Dec 6, 2011
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Underdrain system
- Patent number 8,052,871
- Issue date Nov 8, 2011
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Underdrain system
- Patent number 8,052,870
- Issue date Nov 8, 2011
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
System for filtering water or wastewater
- Patent number 7,927,485
- Issue date Apr 19, 2011
- RG Delaware, Inc.
- R. Lee Roberts
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
System and method for uniformly distributing a fluid through a filt...
- Patent number 7,922,903
- Issue date Apr 12, 2011
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus for monitoring an underdrain of a filter system
- Patent number 7,921,697
- Issue date Apr 12, 2011
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Underdrain system
- Patent number 7,820,043
- Issue date Oct 26, 2010
- RG Delaware Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter system
- Patent number 7,771,597
- Issue date Aug 10, 2010
- RG Delaware, Inc.
- Mark Kevin Addison
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Flume for a filter system including at least one filter having a fi...
- Patent number 7,758,750
- Issue date Jul 20, 2010
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus for monitoring an underdrain of a filter system
- Patent number 7,754,089
- Issue date Jul 13, 2010
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
System and method for uniformly distributing a fluid through a filt...
- Patent number 7,736,506
- Issue date Jun 15, 2010
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter having a filter layer that forms a protective barrier to pre...
- Patent number 7,481,930
- Issue date Jan 27, 2009
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Underdrain
- Patent number D565148
- Issue date Mar 25, 2008
- RG Delaware, Inc.
- Mark Kevin Addison
- D23 - Environmental heating and cooling
Information Patent Grant
Apparatus for directing fluids through a filter system
- Patent number 7,288,193
- Issue date Oct 30, 2007
- RG Delaware, Inc.
- R. Lee Roberts
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
System for settling solids or other impurities from water or wastew...
- Patent number 7,213,712
- Issue date May 8, 2007
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Underdrain
- Patent number D519601
- Issue date Apr 25, 2006
- RG Delaware, Inc.
- Mark Kevin Addison
- D23 - Environmental heating and cooling
Information Patent Grant
Filter system and methods of operating the same
- Patent number 6,998,046
- Issue date Feb 14, 2006
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Underdrain system
- Patent number 6,991,723
- Issue date Jan 31, 2006
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus for directing fluids through a filter system
- Patent number 6,989,096
- Issue date Jan 24, 2006
- RG Delaware, Inc.
- R. Lee Roberts
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Underdrain system
- Patent number 6,982,034
- Issue date Jan 3, 2006
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Modular filter system and method of repairing and/or replacing comp...
- Patent number 6,942,795
- Issue date Sep 13, 2005
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Low profile extruded underdrain
- Patent number 6,740,237
- Issue date May 25, 2004
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Modular filter system
- Patent number 6,616,852
- Issue date Sep 9, 2003
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus for directing fluids through a filter system
- Patent number 6,569,327
- Issue date May 27, 2003
- RG Delaware, Inc.
- R. Lee Roberts
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods and apparatus for sludge collection
- Patent number 6,354,328
- Issue date Mar 12, 2002
- RG Delaware, Inc.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
FLUME SYSTEM FOR A FILTER SYSTEM INCLUDING AT LEAST ONE FILTER HAVI...
- Publication number 20130134086
- Publication date May 30, 2013
- RG DELAWARE, INC.
- R. Lee Roberts
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Trademarklast 30 trademarks

Information Trademark
76535401 - RETROLINERS
- Serial number 76535401
- Registration number 2901306
- Filing date Aug 8, 2003
- RG Delaware, Inc.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
76535402 - TRILATERAL
- Serial number 76535402
- Registration number 2866387
- Filing date Aug 8, 2003
- RG Delaware, Inc.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
76535720 - MICROWEDGE
- Serial number 76535720
- Registration number 2912305
- Filing date Aug 8, 2003
- RG Delaware, Inc.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
76535400 - THE ROBERTS FILTER GROUP
- Serial number 76535400
- Registration number 2918546
- Filing date Aug 8, 2003
- RG Delaware, Inc.
- 37 - Building construction
Information Trademark
76504066 - PWI
- Serial number 76504066
- Registration number 2954189
- Filing date Apr 3, 2003
- RG Delaware, Inc.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
76440260 - MAXIMUS
- Serial number 76440260
- Registration number 2731832
- Filing date Aug 9, 2002
- RG Delaware, Inc.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
75656155 - INFINITY
- Serial number 75656155
- Registration number 2439217
- Filing date Mar 8, 1999
- RG Delaware, Inc.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
75525634 - DYNAMIC PROBE
- Serial number 75525634
- Registration number 2765830
- Filing date Jul 27, 1998
- RG Delaware, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75490875 - LO-PROFILE
- Serial number 75490875
- Filing date May 22, 1998
- RG Delaware, Inc.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
75284638 - SPYDER
- Serial number 75284638
- Registration number 2180289
- Filing date May 1, 1997
- RG Delaware, Inc.
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
75254645 - ROBERTS
- Serial number 75254645
- Registration number 2178090
- Filing date Mar 10, 1997
- RG Delaware, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75240326 - ROBERTS SERVICES
- Serial number 75240326
- Registration number 2194799
- Filing date Feb 11, 1997
- RG Delaware, Inc.
- 37 - Building construction

RG Delaware, Inc.

Organization

Patents Grantslast 30 patents

Flume system for a filter system including at least one filter havi...

Dissolved air flotation clarifier

Underdrain system

Flume system for a filter system including at least one filter havi...

Method of washing a particulate filter bed using an underdrain

Underdrain for a filter system for filtering water or wastewater an...

Underdrain system

Underdrain system

System for filtering water or wastewater

System and method for uniformly distributing a fluid through a filt...

Method and apparatus for monitoring an underdrain of a filter system

Underdrain system

Filter system

Flume for a filter system including at least one filter having a fi...

Method and apparatus for monitoring an underdrain of a filter system

System and method for uniformly distributing a fluid through a filt...

Filter having a filter layer that forms a protective barrier to pre...

Underdrain

Apparatus for directing fluids through a filter system

System for settling solids or other impurities from water or wastew...

Underdrain

Filter system and methods of operating the same

Underdrain system

Apparatus for directing fluids through a filter system

Underdrain system

Modular filter system and method of repairing and/or replacing comp...

Low profile extruded underdrain

Modular filter system

Apparatus for directing fluids through a filter system

Methods and apparatus for sludge collection

Patents Applicationslast 30 patents

FLUME SYSTEM FOR A FILTER SYSTEM INCLUDING AT LEAST ONE FILTER HAVI...

Trademarklast 30 trademarks

76535401 - RETROLINERS

76535402 - TRILATERAL

76535720 - MICROWEDGE

76535400 - THE ROBERTS FILTER GROUP

76504066 - PWI

76440260 - MAXIMUS

75656155 - INFINITY

75525634 - DYNAMIC PROBE

75490875 - LO-PROFILE

75284638 - SPYDER

75254645 - ROBERTS

75240326 - ROBERTS SERVICES