Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 5788217 | Cuspidor water supply valving The flow of water to a cuspidor bowl-rinse spout and cup-filling spout is controlled by a normally closed valve that is actuated by a lever, the ends of which lever protrude through opposite sides of the cuspidor housing. Either end of the lever may be mo... | 08/04/1998 |
| 5421996 | Separator for separating with locking element mounted sensor A separator for separating a solid and liquid is disclosed which includes a sensor system for detecting the level of solid that is separated from the liquid and accumulated in a settling tank. A movable locking element locks the separator to the settling ... | 06/06/1995 |
| 5367717 | Cuspidor A cuspidor having a substantially rounded basin with a bottom, a substantially upright surrounding sidewall and a fluid inlet spaced above the bottom adjacent one end of the basin for directing flushing fluid into the basin. The juncture between the botto... | 11/29/1994 |
| 4470163 | Spitting device for dental purposes A cuspidor or spitting device for dental purposes comprising a bowl formed by a lateral curved wall and a conical bottom surface with the upper edge of the lateral curved wall merging with an inclined surface portion of the upper surface of the housing an... | 09/11/1984 |
| 4344756 | Water recycler for dental operatories A water recycling unit and system for dental operatories for use to supply operating priming water to liquid seal type vacuum pumps and including a conduit connectable to a municipal water supply, a solenoid valve in said conduit operated by a timer to op... | 08/17/1982 |
| 4307475 | Vacuum cuspidor The specification discloses an improved dental cuspidor having a vacuum drain means. The specification also discloses a drain having a drain chamber of which one side is formed by a diaphragm so that when water reaches a given height in the chamber, the d... | 12/29/1981 |
| 4245989 | Water economizing system for dental equipment This invention pertains to a water recycling system for economy in water consumption by dental evacuating equipment employing a water seal type pump and includes a storage tank for waste water received from the pump, a fresh water tank above the storage t... | 01/20/1981 |
| 4165546 | Portable cuspidor A portable cuspidor supplied with rinse water and vacuum drainage through ganged flexible hoses has a hollow, enclosed cuspidor cup or bowl provided with a cushioned side wall opening against which facial areas surrounding the mouth of the patient or user... | 08/28/1979 |
| 3964112 | Dental cuspidor with fluid recirculation system A water recirculation system is described wherein the discharge of one or more dental cuspidors is rendered reuseable and continuously used in the operation of a water sealed vacuum pump in a dental vacuum discharge system.... | 06/22/1976 |
