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| US4804163 | 10 mai 1988 | 14 févr. 1989 | | Key button type of water tap |
| US6401741 | 7 nov. 2000 | 11 juin 2002 | | Excess flow shut-off valve |
| US7299814 | 9 juin 2005 | 27 nov. 2007 | | Method and apparatus for selectively shutting off the flow of water to a building |
| US7299819 | 12 juin 2006 | 27 nov. 2007 | John A. Fenton | Water flow sensor alone and in combination with a method and apparatus for selectively shutting off the flow of water to a building |
