RG Delaware, Inc.

Patent Applications and Registrations

Patent applications and USPTO patent grants for RG Delaware, Inc..The latest application filed is for "flume system for a filter system including at least one filter having a fitler bed that is periodically washed with liquid, gas or a bombination thereof".

Company Profile

0.30.2

RG Delaware, Inc. - Wilmington DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks

Patent Activity

Patent	Date
Flume system for a filter system including at least one filter having a filter bed that is periodically washed with liquid, gas or a combination thereof Grant 8,992,774 - Roberts , et al. March 31, 2	2015-03-31
Dissolved air flotation clarifier Grant 8,518,266 - Roberts , et al. August 27, 2	2013-08-27
Flume System For A Filter System Including At Least One Filter Having A Fitler Bed That Is Periodically Washed With Liquid, Gas Or A Bombination Thereof App 20130134086 - Roberts; R. Lee ; et al.	2013-05-30
Underdrain system Grant 8,409,437 - Roberts , et al. April 2, 2	2013-04-02
Flume system for a filter system including at least one filter having a filter bed that is periodically washed with liquid, gas or a combination thereof Grant 8,333,889 - Roberts , et al. December 18, 2	2012-12-18
Method of washing a particulate filter bed using an underdrain Grant 8,277,665 - Roberts , et al. October 2, 2	2012-10-02
Underdrain for a filter system for filtering water or wastewater and a method of washing the filter system Grant 8,070,946 - Roberts , et al. December 6, 2	2011-12-06
Underdrain system Grant 8,052,870 - Roberts , et al. November 8, 2	2011-11-08
Underdrain system Grant 8,052,871 - Roberts , et al. November 8, 2	2011-11-08
System for filtering water or wastewater Grant 7,927,485 - Roberts , et al. April 19, 2	2011-04-19
System and method for uniformly distributing a fluid through a filter bed in a filter Grant 7,922,903 - Roberts , et al. April 12, 2	2011-04-12
Method and apparatus for monitoring an underdrain of a filter system Grant 7,921,697 - Roberts April 12, 2	2011-04-12
Underdrain system Grant 7,820,043 - Roberts , et al. October 26, 2	2010-10-26
Filter system Grant 7,771,597 - Addison August 10, 2	2010-08-10
Flume for a filter system including at least one filter having a filter bed that is periodically washed with liquid, gas or a combination thereof Grant 7,758,750 - Roberts , et al. July 20, 2	2010-07-20
Method and apparatus for monitoring an underdrain of a filter system Grant 7,754,089 - Roberts July 13, 2	2010-07-13
System and method for uniformly distributing a fluid through a filter bed in a filter Grant 7,736,506 - Roberts , et al. June 15, 2	2010-06-15
Filter having a filter layer that forms a protective barrier to prevent clogging of a gravel-less underdrain and method of making the same Grant 7,481,930 - Roberts January 27, 2	2009-01-27
Underdrain Grant D565,148 - Addison March 25, 2	2008-03-25
Apparatus for directing fluids through a filter system Grant 7,288,193 - Roberts , et al. October 30, 2	2007-10-30
System for settling solids or other impurities from water or wastewater and associated methods Grant 7,213,712 - Roberts May 8, 2	2007-05-08
Filter system and methods of operating the same Grant 6,998,046 - Roberts , et al. February 14, 2	2006-02-14
Underdrain system Grant 6,991,723 - Roberts , et al. January 31, 2	2006-01-31
Apparatus for directing fluids through a filter system Grant 6,989,096 - Roberts , et al. January 24, 2	2006-01-24
Underdrain system Grant 6,982,034 - Roberts , et al. January 3, 2	2006-01-03
Modular filter system and method of repairing and/or replacing components thereof Grant 6,942,795 - Roberts , et al. September 13, 2	2005-09-13
Low profile extruded underdrain Grant 6,740,237 - Roberts , et al. May 25, 2	2004-05-25
Modular filter system Grant 6,616,852 - Roberts , et al. September 9, 2	2003-09-09
Methods for sludge collection Grant 6,045,709 - Roberts April 4, 2	2000-04-04
Methods and apparatus for monitoring a filter bed by differential pressure Grant 5,980,755 - Roberts , et al. November 9, 1	1999-11-09

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