|
| US4022421 | 1 Dic 1975 | 10 May 1977 | | Delayed release valve for a fire hydrant |
| US4070700 | 1 Dic 1975 | 24 Ene 1978 | Carba S.A. | Detecting element for a control device for invalids |
| US4741363 | 29 Oct 1986 | 3 May 1988 | Hydrotek Corporation | Fluid faucet |
| US4782424 | 18 Ago 1987 | 1 Nov 1988 | Hansa Metallwerke AG | Circuit arrangement for the non-contacting control of a sanitary fitting |
| US4915347 | 18 May 1989 | 10 Abr 1990 | Kohler Co. | Solenoid operated faucet |
| US4928732 | 29 Mar 1988 | 29 May 1990 | Hydrotek Corporation | Fluid faucet |
| US6968860 | 5 Ago 2004 | 29 Nov 2005 | Masco Corporation of Indiana | Restricted flow hands-free faucet |
| US7069941 | 3 Jun 2004 | 4 Jul 2006 | Arichell Technologies Inc. | Electronic faucets for long-term operation |
| US7383721 | 23 Dic 2005 | 10 Jun 2008 | Arichell Technologies Inc. | Leak Detector |
| US7690623 | 3 Jul 2006 | 6 Abr 2010 | Arichell Technologies Inc. | Electronic faucets for long-term operation |