Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7207606 | Mechanical pipe joint, gasket, and method for restraining pipe spigots in mechanical pipe joint bell sockets A mechanical pipe joint, restraining gasket, and method for restraining pipe spigots within adjacent bell sockets. The restraining gasket is composed of two axially-separate components: a sealing portion and a restraining portion made of a plurality of arcuate locki... | 04/24/2007 |
| 7121594 | Toilet valve quick connect system A toilet valve quick connect includes an upper housing having a capture chamber which facilitates the operation of a capture nut with oversized outward peripheral portions to enable it to be turned within the confines of a typical toilet tank. The toilet valve quick... | 10/17/2006 |
| 6946183 | Slip resistant mat A slip resistant floor mat composed of one or more layers of material the bottom layer of which incorporates a plurality of recessions with inset suction cups in the bottom surface of the bottom layer that comes into contact with the intended surface, such as a floo... | 09/20/2005 |
| 6866298 | Toilet valve quick connect system A toilet valve quick connect includes an upper housing having a capture chamber which facilitates the operation of a capture nut with oversized outward peripheral portions to enable it to be turned within the confines of a typical toilet tank. The toilet valve quick... | 03/15/2005 |
| 6728976 | Toilet tank attachment bracket with unitary spring arm An attachment system for mounting a flush tank to a toilet bowl includes a bracket disposed between the tank and the bowl. The bracket has a generally planar body defining a central opening receiving a tubular flush extension extending from the tank into an opening ... | 05/04/2004 |
| 6059261 | Universal connector A plumbing connector is provided to communicate water between a wall valve and a toilet. An adapter is provided to facilitate a mating relationship between threads of a first configuration on the valve and threads of a second configuration on the connecto... | 05/09/2000 |
| 5295273 | Pressurized flush toilet coupling A coupling connects a pressurized flush water vessel held in a toilet tank to a toilet bowl. The coupling has a passageway which provides direct fluid communication between the vessel and the bowl and a chamber for accumulating drainage, which may be exha... | 03/22/1994 |
| 4924533 | Coupling means for toilet tank and bowl assembly A mounting assembly to couple a water tank to a water closet is disclosed. The mounting assembly includes a threaded bolt, tubular elastomeric seal member and fastening means. The elastomeric member has centering ribs formed around its outer surface, a fl... | 05/15/1990 |
| 4757560 | Toilet tank gasket A one piece gasket for a toilet which eliminates the use of separate sealing washers and spacing devices is disclosed. The one piece gasket is formed with flange portions extending from a central sealing portion and has upstanding connectors (with fastene... | 07/19/1988 |
| 4445237 | Close coupled water-closet combination and adapter This invention relates to an adapter for coupling a toilet bowl, such as residential toilet bowl, to a flush device that is generally utilized in a commercial close coupled water-closet combination. The adapter includes a substrate having a hole therethro... | 05/01/1984 |
| 4283802 | Toilet tanks with built-in water supply valve A toilet tank has water supply and overflow ducts which are integrally formed with the base and walls of the tank. The water supply duct is connected to a water inlet at one end to supply water to the tank and has an inlet valve at its other end to contro... | 08/18/1981 |
| 4162548 | Water closets A water closet shell comprising a basin component formed in one piece of molded plastics material and a cistern component likewise formed and when assembled defines a water closet unit having a flushing rim section. The flushing rim section is defined by ... | 07/31/1979 |
