Weir; Robert K.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Weir; Robert K..The latest application filed is for "rain and storm water filtration systems".

Company Profile

0.10.7

Weir; Robert K. - Denver CO

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

Patent Activity

Patent	Date
Method and apparatus for ensuring a minimum bypass flow from a hydropower diversion box Grant 9,273,439 - Perkins , et al. March 1, 2	2016-03-01
Apparatus for separating fish from debris and allowing water passage Grant 8,252,175 - Weir August 28, 2	2012-08-28
Rain and storm water filtration systems Grant 7,805,890 - Esmond , et al. October 5, 2	2010-10-05
Rain And Storm Water Filtration Systems App 20090236273 - Esmond; Steven E. ; et al.	2009-09-24
Method and apparatus for separating fish from debris and allowing water passage App 20090223459 - Weir; Robert K.	2009-09-10
Rain and storm water filtration systems Grant 7,584,577 - Esmond , et al. September 8, 2	2009-09-08
Method and apparatus for separating oil and debris from water run-off Grant 7,300,590 - Weir , et al. November 27, 2	2007-11-27
Apparatus for separating oil and debris from water run-off Grant 7,258,785 - Weir , et al. August 21, 2	2007-08-21
Method and apparatus for separating oil and debris from water run-off App 20070187310 - Weir; Robert K. ; et al.	2007-08-16
Rain and storm water filtration systems App 20050246967 - Esmond, Steven E. ; et al.	2005-11-10
Apparatus and method of particulate removal from liquids Grant 6,953,529 - Weir October 11, 2	2005-10-11
Method and apparatus for separating oil and debris from water run-off App 20050072738 - Weir, Robert K.	2005-04-07
Apparatus and method of particulate removal from liquids App 20040222167 - Weir, Robert K.	2004-11-11
Rain and storm water filtration systems Grant 6,705,049 - Esmond , et al. March 16, 2	2004-03-16
Rain and storm water filtration systems App 20030167700 - Esmond, Steven E. ; et al.	2003-09-11

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