$ERII SEC Filings

Filing Filed On
PRIMARY DOCUMENT 21 Feb 2012
PRIMARY DOCUMENT 21 Feb 2012
SC 13G/A 14 Feb 2012
ENERGY RECOVERY INC. 12312011 13 Feb 2012
SC 13G 09 Feb 2012
PRIMARY DOCUMENT 03 Feb 2012
PRIMARY DOCUMENT 05 Jan 2012
PRIMARY DOCUMENT 04 Jan 2012
PRIMARY DOCUMENT 14 Dec 2011
PRIMARY DOCUMENT 28 Nov 2011
PRIMARY DOCUMENT 23 Nov 2011
CURRENT REPORT 14 Nov 2011
FORM 10-Q 08 Nov 2011
FORM 8-K 03 Nov 2011
FORM 8-K 27 Oct 2011
PRIMARY DOCUMENT 20 Sep 2011
PRIMARY DOCUMENT 20 Sep 2011
PRIMARY DOCUMENT 20 Sep 2011
PRIMARY DOCUMENT 20 Sep 2011
PRIMARY DOCUMENT 20 Sep 2011