Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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 |
| 7261559 | Syringe delivery system for dispensing a dental composite or other highly viscous material A syringe delivery system for dispensing a highly viscous material through a syringe delivery opening. The system includes a syringe barrel having a delivery opening, a plunger including a threaded shaft that threadably engages the syringe barrel for selectively dis... | 08/28/2007 |
| 7186241 | Syringe with needle penetrable and laser resealable stopper A syringe and a reconstitution syringe are provided for the delivery of controlled doses of any of numerous different sterile substances, such as vaccines, medicaments, pharmaceutical preparations, cosmetics, and food products. A plunger of the syringe defines a res... | 03/06/2007 |
| 7150379 | Dyeing brush A dyeing brush includes a handle having a first blind hole defined in the neck and a second blind hole defined to communicate with the firs blind hole. A knob is rotatably received in the first blind hole and has a threaded hole defined through the knob to communica... | 12/19/2006 |
| 7059497 | Multiple side-feeding aerosol valve assembly A valve assembly is disclosed for use in an aerosol spray can capable of spraying viscous materials or materials with large particulates without clogging or packing like traditional aerosol spray cans designed for spraying texture materials. The valve opening may be... | 06/13/2006 |
| 6406460 | System and method for automatic needle change warning A syringe has a sensor for sensing physical contact between a syringe needle and the syringe. As the sensor detects that a syringe needle has just been installed into the syringe, a counter is set to "zero", indicating the number of injections given with ... | 06/18/2002 |
| 5758803 | Milk powder dispenser A milk powder dispenser for dispensing a predetermined amount of milk powder is provided. The dispenser includes a base unit, a milk powder measuring unit, and a control unit. The base unit includes a base plate formed with an opening. The milk powder mea... | 06/02/1998 |
| 5688251 | Cartridge loading and priming mechanism for a pen injector A medication delivery pen is provided having a medication cartridge holder assembly, a pen body assembly and a cap. The reusable pen body assembly includes an improved loading and priming mechanism that allows the user to easily load a new cartridge and p... | 11/18/1997 |
| 5580528 | Breakage resistant laboratory glassware article A breakage-resistant form of separatory funnel or other laboratory glassware, such as addition funnel, flask, buret, or chromatography column, is provided. The glassware features an unbreakable plastic stem, preferably removably attached, below the glass ... | 12/03/1996 |
| 5538161 | Container having content level indicator A container for dispensing a solid deodorant and/or antiperspirant. The container comprises a housing, a platform, a dispensing member, and a level indicator. The housing has an open top end for dispensing the deodorant and/or antiperspirant contained the... | 07/23/1996 |
| 5279586 | Reusable medication delivery pen An injection device medication delivery pen is provided for injecting fluids such as insulin within body tissue. The device includes a housing, a piston rod movably mounted within the housing, and a dose setting mechanism for controlling the movement of t... | 01/18/1994 |
| 5279585 | Medication delivery pen having improved dose delivery features An injection device is provided for injecting fluids such as insulin within body tissue. The device includes a housing, a piston rod movably mounted within the housing, and a dose setting mechanism for controlling the movement of the piston rod with respe... | 01/18/1994 |
| 5253785 | Variable proportion dispenser A variable proportion dispenser (2b) includes a housing (180) which houses two pharmaceutical cartridges (6b, 7b). A reciprocating drive assembly includes drive stems (36b, 37b) extending from the pistons (46b, 46c) of each cartridge, a sliding body (66b)... | 10/19/1993 |
| 4921130 | Viscous material dispensing apparatus The invention relates to a dispensing assembly which is usable in conjunction with a container holding viscous materials such as shortening, grease, paste or the like. The top and bottom of the container are replaced with a top cover having a dispensing s... | 05/01/1990 |
| 4852768 | Dosing syringe A dosing syringe has a cylindrical syringe body which at its tapering end has a dispensing orifice and at its other end a stepped cylindrical enlargement with two opposing handles. A recess is located below each handle, and a piston is inserted into the c... | 08/01/1989 |
| 4810249 | Linear and Vernier-type syringe A syringe assembly having a cylinder adapted to receive a hypodermic needle at one end thereof and a piston reciprocably movably disposed in the cylinder. The exterior of the piston is at least partially threaded and it includes a longitudinal, exterior g... | 03/07/1989 |
| 4561565 | Rate adjustment for chemical meter A material metering device having a discrete flow rate adjustment and indicator mechanism. The indicator includes an actuator knob which is rotated to adjust the flow rate of material from the meter. The actuator knob is also operably connected to a follo... | 12/31/1985 |
| 4509566 | Separatory funnel and valve device A separatory funnel having a valve stem mounted through its center to accurately open, close, and regulate the flow of liquid from the funnel. The valve stem is provided with a passageway therein for forming a separate channel from the path of liquid flow... | 04/09/1985 |
| 4376495 | Device for adjusting dose dispensed A metering or dosing device connected to the neck of a squeeze-type tube or container, and capable of metering the amount of fluent material that can be discharged from the container after each removal of a closure cap screw-threaded, or otherwise secured... | 03/15/1983 |
| 4286732 | Variable ratio dispensing apparatus Dispensing apparatus with a pain of fluid dispensing cylinders each having a piston driven through a separate differential transmission with two inputs. One of the inputs of both transmissions is driven by a first electric motor. The other inputs are conn... | 09/01/1981 |
| 4260076 | Powered dispenser for caulking cartridge contents A rotary power hand tool with a rotary chuck is mated to a push-in piston-type dispensing container of caulking via an adapter which mounts on the tool and is secured to the chuck. The adapter has a plunger provided on the end of a non-rotating screw. Whe... | 04/07/1981 |
| 4220258 | Dispensing device A reuseable pressurized container and metering device for dispensing predetermined amounts of fluid. The device includes a metering chamber having two apertures with a central stem disposed therein. Two sealing rings are mounted on the stem, each adjacent... | 09/02/1980 |
| 4189065 | Metering dispenser for high-viscosity compositions A dispensing device for high-viscosity compositions includes a hollow cylindrical body in which the composition is contained between a closeable discharge opening at the front end of the body and a piston movable in the longitudinal direction of the body.... | 02/19/1980 |
| 4086062 | Digital titration device A liquid dispensing device for chemical titration having a reciprocating plunger for expelling fluid from an attached titrating solution cartridge, and a lead screw for reciprocating the plunger whose rotation is measured and displayed by a digital rotati... | 04/25/1978 |
| 3982724 | Deformable tube material dispenser A material dispenser using a deformable tube through which the flow of material is controlled is described. The deformable tube is selectively mounted to expose a pinch region to a pressure element having a predetermined shape. The deformable tube is sele... | 09/28/1976 |
| 3933272 | Apparatus for dispensing liquids This invention is a method and apparatus for dispensing a predetermined weight of liquid. The apparatus comprises a calibrated vessel having an elongated tubular section in open communication with the top of the vessel, means to fill the vessel to a level... | 01/20/1976 |
