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| US5702596 | 10 Jul 1995 | 30 Dic 1997 | Geberit Technik AG | Roof water inlet |
| US7784242 | 5 May 2005 | 31 Ago 2010 | Zurn Industries, LLC | Drain support plate/under-deck clamp |
| US7997038 | 15 Dic 2004 | 16 Ago 2011 | Zurn Industries, LLC | Floor drain support plate |
| US8146308 | 14 Oct 2010 | 3 Abr 2012 | Zurn Industries, LLC | Floor drain support plate |
| USD368514 | 18 Ago 1994 | 2 Abr 1996 | | Laundry tub overflow drain |
| USD576257 | 28 Nov 2007 | 2 Sep 2008 | Rainwater Management Solutions | Siphonic roof drain |
| USD578619 | 28 Nov 2007 | 14 Oct 2008 | Rainwater Management Solutions | Siphonic roof drain |
| USD598523 | 18 Sep 2008 | 18 Ago 2009 | | Plumbing fixture |
| USD598987 | 18 Sep 2008 | 25 Ago 2009 | | Plumbing fixture |
| USD645117 | 6 Dic 2010 | 13 Sep 2011 | | Filter basket |
