Did You Know...
...In 1790, the cost to obtain a patent was between $4 and $5.
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 |
| 7331488 | Multi-chemical dispensing system An apparatus for selective eductive dispensing of multiple chemical fluids from separate fluid containers includes a motive fluid inlet; an eductor in fluid communication with said motive fluid inlet; a selector switch defining at least one inlet and an outlet there... | 02/19/2008 |
| 6964380 | Spraying gun having flow rate control effect A spraying gun includes a water inlet connector, a connecting member, an adjusting member, a detergent tube, a water conducting tube, and an extension pipe. Thus, the water flow rate of the spraying gun is adjusted by rotation of the adjusting member, thereby facili... | 11/15/2005 |
| 6902120 | Sprinkler provided with a built-in mechanism for dispensing detergent A sprinkler includes a handle, a barrel, a nozzle, and a detergent dispensing mechanism. The barrel is fastened at one end with the handle, and at the other end with the nozzle. The detergent dispensing mechanism is fastened to the periphery of the barrel and is con... | 06/07/2005 |
| 6899114 | Device for the dilution and application of liquids A system and method for the mixing and the application of liquids to various surfaces. The system includes a primary tank having a liquid fill fitting, a gas fitting, and an outlet. A pressurized gas source is in fluid communication with the primary tank by way of t... | 05/31/2005 |
| 6783429 | Apparatus and method for sampling a chemical-mechanical polishing slurry An apparatus and method for drawing a sample of a chemical-mechanical polishing slurry for analysis of at least one property, e.g., particle size distribution, is described. The apparatus comprises (i) a plurality of sample delivery lines, each line carrying a chemi... | 08/31/2004 |
| 6749133 | Spraying apparatus with insert A substance delivery apparatus, such as a spraying apparatus, that includes an adjustment element for regulating the flow of at least one substance between at least one inlet and at least one outlet. The adjustment element is displaceable between a first position, c... | 06/15/2004 |
| 6378789 | Combination spray apparatus A combination spray apparatus which allows for the selection of several different flowable materials to be sprayed from a single unit and at the site of the unit itself. In the preferred manner, the spray apparatus includes a trigger nozzle as well as the... | 04/30/2002 |
| 6347645 | Fluid dynamic diverter valve for an appliance A fluid dynamic diverter valve is provided which has a valve body with a fluid inlet zone communicating with a fluid diversion zone, which in turn communicates with a fluid outlet zone. In the fluid inlet zone there is at least one inlet for a fluid, at l... | 02/19/2002 |
| 6267304 | Variable discharge dispensing head for a squeeze dispenser A dispensing head for a squeeze bottle sprayer includes a rotatable valve. The rotatable valve has both an air control notch and a fluid control notch. Upon rotation of the valve, the notches cooperate to vary the amount of air and or fluid discharged by ... | 07/31/2001 |
| 5829471 | Valve, particularly for vacuum drainage systems A valve particularly for vacuum drainage systems, comprising a valve housing (1) with an inlet (2), a through-flow part (11) and an outlet (3), and a device with an actuator for the opening and closing of the valve. The opening and closing device is a mov... | 11/03/1998 |
| 5372310 | Hose-end spraying apparatus A sprayer is provided for preferably permanent attachment to a container containing a chemical product to be diluted by a carrier stream. The sprayer comprises a nozzle member having a mechanism for attachment of the nozzle member to a source of the carri... | 12/13/1994 |
| 5320288 | Hose-end spraying apparatus A sprayer is provided for preferably permanent attachment to a container containing a chemical product to be diluted by a carrier stream. The sprayer comprises a nozzle member having a mechanism for attachment of the nozzle member to a source of the carri... | 06/14/1994 |
| 5304116 | Vaginal cleansing device An improved vaginal cleansing device comprising a T-shaped coupling, a first valve, a venturi, a second valve, concentrate reservoir, a solution delivery tube, and an applicator nozzle. The T-shaped coupling is interposed between a water source line and a... | 04/19/1994 |
| 4800046 | Water jet aerator with diverter valve A water jet aerator in combination with a diverter valve including an aerator housing, a valve body that is rotatably positioned within the aerator housing, and a swivel nozzle. The aerator housing includes a water inlet conduit, a water outlet conduit, a... | 01/24/1989 |
| 4785850 | Cylindrical valve soap dispenser A dispenser connectable to a source of high fluid pressure and including a housing having therein a three-position cylindrical valve which controls both a main passageway and an auxiliary passageway. The main passsageway extends through the housing and th... | 11/22/1988 |
| 4714092 | Ball valve and flowing fluid pressure amplifier A ball valve with a venturi chamber internal thereto as an integral part of the ball itself. The ball valve of the present invention includes a housing with a ball valve rotatably mountable therewithin. The ball is rotatably about an axis about which any ... | 12/22/1987 |
| 4651930 | Shower head attachment and liquid detergent for use therein A shower head attachment has a liquid detergent reservoir and facilitates a "soap," "rinse," and "off" cycle. The attachment has a body provided with a rotary valve having a transverse port. The port is alined, selectively, with a first or second longitud... | 03/24/1987 |
| 4625744 | Process and device for performing a series of hydrodynamic functions on a flow comprised of at least two phases A process for performing a series of hydrodynamic functions or operation on a flow of fluids comprised of at least two phases includes the following steps: separating the fluid phases that comprise the initial flow; reducing the turbulence of the flows of... | 12/02/1986 |
| 4609506 | Throttled fluid mixing device Fluid mixing valve means comprising valves in first and second fluid conduits having specific configurations, means coupling said valves for common movement and means coupling the output of said second fluid conduit to said first fluid conduit on the down... | 09/02/1986 |
| 4470342 | Air-handling unit The present invention provides an air-handling unit that can supply air, to a desired space, which is cold, which is cooler than the set point of the thermostat for that space and hence is referred to as cool air, which is warmer than that set point and h... | 09/11/1984 |
| 4366840 | Fluid injector spray device A flow selectable fluid mixing device having a main manifold member (10) with a main fluid path (13) and a venturi creating conical secondary fluid path (14) and a rotatable manifold member (12) mounted on the main manifold member (10). The rotatable memb... | 01/04/1983 |
| 4171169 | Hand held washer A portable washer of lightweight and economical construction is characterized by a body portion having a handle for being held by a user thereof. The body is connectable with a supply of water, and a flexible conduit at an end of the body supports a brush... | 10/16/1979 |
| 4135882 | Foam injection nozzle A nozzle for the injection of urea-formaldehyde foam insulation in a building includes a two-stage foaming chamber in the foam chemical line which includes a plurality of jets for effecting bubbling of the foaming chemical and a bubble-sizing, apertured p... | 01/23/1979 |
| 4010768 | Two-stage jet pump proportioner A multiple stage jet proportioning and mixing pump system in which any variation occurring in the proportion ratio of the ultimate solution is confined essentially in the first proportioning stage operating at a low ratio below 1 to 5 with initial conflue... | 03/08/1977 |
| 3938550 | Continuous flow ratio monitor A solution dispensing proportioner utilizing a varyingly pressurized solvent and a solute having a vagrant negative gauge pressure and a tracer that is detectable in proportion to its concentration. The proportioner aspirates the solute and tracer through... | 02/17/1976 |
| 3933179 | Water and concentrate supply valves for proportioning mixer-dispenser A portable mixing-dispensing device having a manual flow control valve means between a ventable flow control chamber and a solution-proportioning chamber, and a manual feed valve between the proportioning device and a source of concentrate supplied at a n... | 01/20/1976 |
