Bizarre Patents
Nicotine Containing Dental Floss
Keep away cavities and cancer at the same time.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4028249 | Sewage settling tank The efficiency of a sewage settling tank is improved by providing the tank with a plurality of submerged, vertically spaced decks which divide the tank into a plurality of horizontal settling layers. This improves the settling rate in that solids travel a... | 06/07/1977 |
| 4023190 | Film processor An X-ray film processor having a double tank construction wherein the drive rollers for transporting the film in a straight line horizontally through the processor are disposed in an upper film processing tank and above the normal level of the processing ... | 05/10/1977 |
| 4011164 | Skimmer apparatus for sewage settling tanks and the like A scum removal system for sewage settling tanks and the like employs a floating skimmer system which is lowered onto the surface of the liquid at one end of the tank and then moved toward the opposite end where floating materials collected by the skimmer ... | 03/08/1977 |
| 3997444 | Sewage settling tank A sewage settling tank is provided with two or more banks of tube settlers to improve the settling rate. The tube settlers are spaced above the bottom of the settling tank and upstanding from about the periphery of each bank is a baffle member which defin... | 12/14/1976 |
| 3988001 | Variable flow control valve for use with dental syringes and the like A valve for dental syringes and the like has its actuator provided with a cam. When the actuator is moved axially it engages a valve seal member and rocks the member on the valve seat so that initially only a portion of the valve about the periphery of th... | 10/26/1976 |
| 3985307 | Mechanical device to mix amalgam A dental amalgam producing machine having a rotatable arm adapted to receive an amalgam mulling container at one end and having a counter weight at the other end, the arm being inclined with respect to the horizontal. A belt disposed about a non-rotating ... | 10/12/1976 |
| 3982893 | Sterilizer control method and apparatus A signal generating and transmitting device is disclosed which can be placed within a load to be sterilized to continuously monitor sterilization affecting conditions at the center of the load. Radio signals representing the sensed conditions are transmit... | 09/28/1976 |
| 3978183 | Method of filter molding and electrical heating unit made thereby A process for producing an electrical heating unit by filter molding an inorganic refractory fiber to form an insulating body about a heating element wherein a layer of insulating fabric is placed on the filter mold screen and the heating element position... | 08/31/1976 |
| 3968281 | Filter molded heating and/or insulating member A filter molded heating and/or insulating member having a ceramic gasket bonded thereto and method of its manufacture.... | 07/06/1976 |
| 3967494 | Method and apparatus for detecting entrapped air in a steam sterilizer Steam and entrapped air are bled from a steam sterilizing chamber and into a water displacement tube. The steam component of the bleed is condensed in the tube while any air entrapped in the steam displaces water from the tube. As the water level in the t... | 07/06/1976 |
| 3955225 | Upholstered article and method An upholstered article and method in which a rigid pan to be upholstered is provided with a series of interior cutouts along an exterior edge, the cutouts defining an imitation interior edge to which is clipped, by metal clips, the upholstery material. Th... | 05/11/1976 |
| 3950027 | Armrest for dental chair An armrest for dental chairs and the like can be rotated 90° in a horizontal plane about a vertical axis to permit easier entry and exit of a patient to and from the chair. The armrest is automatically locked at either the forward position or the 90° po... | 04/13/1976 |
| 3944387 | Method and apparatus for sterilizing with a heavier-than-air gas Sterilizing apparatus and method in which a heavier-than-air sterilizing gas is introduced at a substantially constant flow rate into the bottom of the sterilizing chamber. Air in the chamber is displaced upwardly by the gas and out of the chamber through... | 03/16/1976 |
| 3934929 | Adjustable dental chair The dental chair is provided which has pivotally connected back, seat and footrest sections, the seatrest being journaled in turn to a base member. A motor carried by the seat and connected to the backrest provides for articulation of the backrest relativ... | 01/27/1976 |
