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 |
| 7909267 | Hand triggered tissue sealant spray apparatus and system An applicator includes a bore for containing a sealant component, a piston moveably positioned in the bore, a plunger member connected to the piston with a distal end disposed within the bore and a proximal end depending from the bore, a distal outlet communicating ... | 03/22/2011 |
| 7819341 | Paint reservoir system for a paint spray gun The invention relates to a gravity flow reservoir for a paint spraying gun having a container and a cover, which can be placed thereon and which has a connecting part in order to place the gravity flow reservoir onto the paint spraying gun or onto an adapter. Prior ... | 10/26/2010 |
| 7810744 | Fluid reservoir for a paint spray gun The invention relates to a fluid reservoir for a paint spray gun, comprising a receptacle (1) and a lid that can be placed thereupon and is provided with a connecting element (3) in order to mount the fluid reservoir on the paint spray gun or an adapte... | 10/12/2010 |
| 7726588 | Locking-tensioning mechanism for a miniaturised high pressuriser A locking tensioning mechanism for a miniaturised high pressure generator is disclosed, which mechanism will allow delivery of a set volume of a liquid, and the volume to be delivered by a high pressure generator can be altered subsequently by adjusting one of the s... | 06/01/2010 |
| 7537174 | Hand triggered tissue sealant spray apparatus and system The present invention is generally directed to various structures for applying a sealant to a work surface. In one aspect of the invention, a sealant applicator assembly is provided for use with an apparatus of the type having an elongated body defining an interior ... | 05/26/2009 |
| 7416140 | Disposable cup to be set up on a spray gun for preparing, applying and preserving a paint Disposable cup for preparing, applying and preserving a paint to be set up on a paint spray gun characterized in that it includes on one of its end faces a closable vent device (7) forming a vent valve with valve duct (22) and valve plug (25) wh... | 08/26/2008 |
| 7360536 | Devices and methods for nebulizing fluids for inhalation A nebulizer comprising an aerosol generator and a titration mechanism comprising a dosing mechanism, a screw assembly, a plunger and an actuator, wherein the dosing mechanism is rotatably mounted in the nebulizer and the plunger is mounted in the nebulizer to travel... | 04/22/2008 |
| 7341208 | Atomizer for manual actuation A fluid can be discontinuously atomized with an atomizer of the present invention. The atomizer can include a helical spring, disk spring or gas spring, acting as a pressure spring, as an energy storage device, a cylinder, piston, two ducts and two valves. Atomizati... | 03/11/2008 |
| 7316360 | Pore structures for reduced pressure aerosolization A nozzle comprising a thin, flexible substantially planar polymeric film having a plurality of pores with structures allowing for generation of an aerosol at reduced extrusion pressure is disclosed. The pores can comprise at least two sections, or steps, in which th... | 01/08/2008 |
| 7314187 | Atomizer for applying liquids onto eyes Atomizers for administering liquids to the cornea or conjunctiva of the eye, special eye adapters for atomizers and the use of atomizers for ophthalmological administration. The atomizers are free from propellant gas and have an energy reservoir for supplying the en... | 01/01/2008 |
| 7281672 | Dual burst disk An apparatus and method for dispensing fluid including a pressure vessel at a first pressure and a reservoir at a second pressure. The reservoir communicates with the pressure vessel via a first aperture and with an environment at a third pressure via a second apert... | 10/16/2007 |
| 7264177 | Methods, systems and apparatuses for automated irrigation and chemical treatment An automated irrigation and chemical treatment system comprising a user input device adapted to communicate with a control unit; a mixing chamber adapted to communicate with the control unit and connected to a water supply and chemical canisters, wherein each canist... | 09/04/2007 |
| 7152813 | Cap with a suction type spray head A cap with a suction type spray head includes an air guiding chamber, an intake passage, an outgoing passage, a liquid sucking mouth and an air pressure balancing aperture for a container with a sprayer. The liquid in the container can be sucked out due to air press... | 12/26/2006 |
| 7150409 | Injection systems The invention in general relates to various injection systems and devices that can be used, for example, in needleless injection systems for human, and for domestic and farm animals. In certain embodiments, the invention provides an injection device comprising: an i... | 12/19/2006 |
| 7114670 | Self-contained powder coating system A powder coating gun with an internal fan and a quick-change powder cartridge. Pressurized air generated by the fan entrains the powder coating material from the powder cartridge and the entrained powder coating material is charged in the ionizing field created by a... | 10/03/2006 |
| 7104470 | Device for producing high pressure in a fluid in miniature A miniaturized device for pressurizing fluid. The device includes a hollow piston that provides a fluid path and a valve member. The valve member is configured for axial movement so that the valve axis remains parallel to the piston axis. The valve member is arrange... | 09/12/2006 |
| 7093774 | Device for injecting a pulsed supersonic gas stream The invention relates to a device (100) for injecting a pulsed supersonic gas flux, including a first chamber (2) inside which the gas to be injected is found under pressure on either side of a free piston (4), the device comprising means (12... | 08/22/2006 |
| 6997394 | Door knob-mounted air freshener device An air freshener dispenser mechanism is incorporated into a door knob whereby when a door is pushed open, air freshener is dispensed into a room in advance of a person entering the room. ... | 02/14/2006 |
| 6953133 | Pump assembly with continuous tube A noncontainer pressurizing pump sprayer includes a body, which defines a chamber. A piston is positioned within the container and is coupled to a shaft. The piston divides the chamber into an upper section and a lower section. An inlet valve is positioned on the bo... | 10/11/2005 |
| 6945472 | Locking-stressing mechanism for a miniaturised high pressuriser A locking tensioning mechanism for a miniaturised high pressure generator is disclosed, which mechanism will allow delivery of a set volume of a liquid, and the volume to be delivered by a high pressure generator can be altered subsequently by adjusting one of the s... | 09/20/2005 |
| 6918547 | Device for producing high pressure in a fluid in miniature A miniaturized device for producing high pressure in a fluid imposes stringent requirements on the manufacturing process. The device according to the invention consists of a hollow piston displaceably mounted in a cylinder and a valve member which is guided b... | 07/19/2005 |
| 6669113 | Plant watering device An improved manually operated plant watering device is provided for watering plants in hard to reach places. The plant watering device includes an elongate hollow tube, flexible hose, and nozzle. Located within the hollow tube is a piston manually control... | 12/30/2003 |
| 6669061 | Pump dispenser and spraying apparatus A pump dispenser which precisely transmits trigger motion and enables stable operation of a piston section. The manually operable pump dispenser is mounted on a vessel wherein the liquid contained in the cylinder section is compressed with a piston sectio... | 12/30/2003 |
| 6631855 | Structurally improved spray gun A structurally improved spray gun includes a hollow housing having a hollow handle, an electromagnet in the housing to acturate an oscillating armature which repeatedly impinges a piston in a cylinder to aspirate the paint from a container into the cylind... | 10/14/2003 |
| 6619568 | Material dispersing device and method A nozzle for delivering vaporized liquid material has a cylindrical housing with a central, cylindrical cavity having a fluid inlet and a fluid outlet. The nozzle also has a plunger inserted into the fluid outlet of the housing so that the plunger and the... | 09/16/2003 |
| 6439480 | Device for automatic spray application of paint A device is disclosed for the automatic spray application of paint. The device has a paint container and a spray nozzle arranged in close connection and adapted to provide paint from the container to the spray nozzle during the spray application. A dosing... | 08/27/2002 |
| 6367714 | Weed stick spray A herbicide applicator is in the form of an extended tube with a bell on the bottom to restrict the spray of herbicides. The tube includes a pump at the bottom which is connected to a nozzle within the bell. The pump is operated by a rod extending to the ... | 04/09/2002 |
| 6264120 | Portable automated misting device A portable automatic misting device (20) uses a misting device assembly (38) to automatically disperses a mist (36). The misting assembly (38) includes a hollow cylinder (40) that forms a liquid reservoir (50) that is in fluid communication with a one-way... | 07/24/2001 |
| 6095434 | Portable automatic misting device A portable automatic misting device (20) uses a misting device assembly (38) to automatically disperses a mist (36). The misting assembly (38) includes a hollow cylinder (40) that forms a liquid reservoir (50) that is in fluid communication with a one-way... | 08/01/2000 |
| 6024540 | Pump for pumping through a variable volume plunger chamber having a pair of plungers disposed in a stepped cylinder with a slide valve A pump for pumping through a variable plunger chamber having a pair of plungers disposed in a stepped cylinder with a slide valve includes two plungers of different diameters, united to each other. As they move within a stepped cylinder, the plungers form... | 02/15/2000 |
| 5979791 | Intermittant water jet In accordance with the present invention a method and apparatus for forming and launching a slug of liquid toward a designated target area includes a hollow chamber located on a desired incline having a lower liquid inlet and an upper exit orifice, which ... | 11/09/1999 |
| 5878925 | Drywall joint compound pump workstation A portable drywall joint compound pump workstation supplies joint compound to a workstation outlet that is conveniently located. The workstation includes a joint compound supply reservoir having an open top, a pump that pumps joint compound from the suppl... | 03/09/1999 |
| 5855323 | Method and apparatus for jetting, manufacturing and attaching uniform solder balls An apparatus and process for jetting molten solder in the form of balls directly onto all the metallized interconnects lands for a ball grid array package in one step with no solder paste required. Molten solder is jetted out of a grid of holes using a pi... | 01/05/1999 |
| 5769324 | Portable washing device Portable washing apparatus having a self-contained pressurized supply of a washing liquid is disclosed. The apparatus is charged with the washing liquid from a pressurized source of the liquid via an independent charging stand connected to the source. Hyd... | 06/23/1998 |
| 5662271 | Atomizing devices and methods A metered dose inhaler comprises a piston which is mounted in a cavity within a body, and is urged by a pre-loaded spring into a reduced cross-section pressure chamber. The piston may be loaded by means of an actuating rod having a handle, and may be latc... | 09/02/1997 |
| 5497944 | Atomising devices and methods A metered dose inhaler for dispensing a fluid medicament as droplets of small mean particle size without the use of pressurized gas or liquefied propellants. A liquid drug is contained in a fluid reservoir, and metered quantities of the drug are successiv... | 03/12/1996 |
| 5411211 | Spray gun An electrostatic spray gun includes a housing for receiving a replaceable fluid container, a nozzle from which fluid is to be sprayed, a device for expelling fluid from the container, and a high voltage generator for applying electrostatic potential to th... | 05/02/1995 |
| 5370318 | Atomizing nozzle for producing a spray from a liquid under pressure A method and device are described for atomising liquids, in which the liquid is forced through an annular gap formed between a spherical or conical surface and a circumambient hole in a plate, which components may be displaced relative to one another to c... | 12/06/1994 |
| 5370317 | Atomizing device for producing a spray from a liquid under pressure A method and device are described for atomizing liquids, in which the liquid is forced through an annular gap formed between a spherical or conical surface and a circumambient hole in a plate, which components may be displaced relative to one another to c... | 12/06/1994 |
| 5328096 | Spray apparatus and method of operation for spraying heavy viscous material A spray apparatus and method is disclosed for spraying heavy viscous material. The apparatus includes a pressure tank containing a supply of the material. Pressurized air is supplied to the upper end of the tank for forcing the material down through an ou... | 07/12/1994 |
