Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8182657 | Method, installation and component for destruction of live organisms in a liquid The invention relates to a method, a treatment installation (26) and a treatment component (29) for the destruction of microorganisms and macroorganisms in a flowing liquid. The destruction takes place instantaneously, while the liquid passes through s... | 05/22/2012 |
| 8176680 | Sliding door assembly The frame and the sash of the sliding door assembly are each made of plastic. The frame extrusion profile utilizes an opposing open-leg or C-channel construction that creates an interior accessory slot that is utilized throughout the overall construction to create a... | 05/15/2012 |
| 8162566 | Drainage element with a periphery of different materials The drainage element is made with a periphery formed of a filter material that allows the passage of water and prevents the passage of soil and a second peripheral section of net material that allows the passage of water while the preventing the passage of the light... | 04/24/2012 |
| 8162204 | Pocket folder and blank for making same The pocket folder has a closed pocket on the back section with each side of the closed pocket being freely expandable. Flaps that form the ends of the closed pocket are separated by a fold line into two contiguous parts that are hinged to each other to allow expansi... | 04/24/2012 |
| 8147166 | Drainage element with laminated membrane material A strip of membrane material is laminated to a wider strip of netting and then the longitudinal edges of the strip of netting are seamed together into a sleeve for receiving aggregate to form an elongated tubular drainage element. The laminated peripheral portion of... | 04/03/2012 |
| 8136799 | Multiple downcomer tray A multiple downcomer tray for a mass transfer column includes a mass transfer area and a plurality of downcomers for collecting and discharging a fluid from the tray. Each downcomer is shaped as a channel with an end wall attachable to an extension element. A downco... | 03/20/2012 |
| 8127448 | Method for making drainage element The machine employs a forming collar to shape a continuous web of material longitudinally about a barrel with the longitudinal edges splayed outwardly and over each other. A sewing machine spaced radially from the barrel secures the longitudinal edges together to fo... | 03/06/2012 |
| 8123738 | Closed system connector assembly A male adaptor is provided with a nose for penetrating into a housing of the female connector. A septum is disposed over the nose of the male adaptor to maintain a seal with the female connector during coupling and uncoupling. Upon coupling, the septum dilates to al... | 02/28/2012 |
| 8119015 | System for generating a discrete liquid phase in a continuous liquid phase The device (1) serves for the generation of a discrete liquid phase in a continuous liquid phase with a first or a second liquid. The two liquids coexist as separate phases, have different densities and permit a desired exchange of material. Provision is made... | 02/21/2012 |
| 8118078 | Hook for suspending a curtain and a curtain with integrated hooks The curtain is provided with integrated hooks for suspending the curtain from a curtain rod. Each hook is made of two parts that are secured together to sandwich a top margin of the curtain therebetween. Each hook has a rectilinear base and a curvilinear section tha... | 02/21/2012 |
| 8066264 | Contact tray for a mass transfer column The valve cover has a pair of tabs at the ends that are inserted into end sections of an orifice in the tray deck. The tabs of the valve cover abut against the underside of the tray deck while a pair of sloped portions of the valve cover rest on the top side of the ... | 11/29/2011 |
| 8061020 | Apparatus for making drainage element with a periphery of different materials The drainage element is made with a periphery formed of a filter material that allows the passage of water and prevents the passage of soil and a second peripheral section of net material that allows the passage of water while the preventing the passage of the light... | 11/22/2011 |
| 8056362 | Method and device for purifying high melting organic raw products or compound mixtures by means of fractionated melting crystallisation from solvent mixtures This invention relates to a method and a device for purifying and/or separating preferably high melting organic raw products or compound mixtures containing, in particular, high melting and/or degradable sterols, by layer crystallization on first heat exchanger surf... | 11/15/2011 |
| 8052845 | Reflux divider for a column having portions for the transfer of material arranged in parallel The reflux divider for a separation column has portions for the transfer of material arranged in parallel which are mutually bounded by a vertical dividing wall and which include members for the controlled dividing of a liquid to be treated. A reflux divider feeds p... | 11/08/2011 |
| 8052037 | Paper products for dunnage and packaging and method of making same A paper product may be made as a crumpled paper strip provided with a layer of coadhesive on one side to adhere opposed portions of the strip together in a strong manner to form a dunnage material. The paper product may also be made as a packaging wrap of two-ply co... | 11/08/2011 |
| 8016103 | Chain transport system with add-on components The invention relates to a chain-transport system containing chain links (10, 20, 30, 40, 50, . . . ) which are strung together and adjacent chain links (10-20, 20-30, 30-40, 40-50, . . . ) being rotatably joined together ab... | 09/13/2011 |
| 8006984 | Stackable dolly The dolly is constructed with wheels to provide mobility and with posts to allow for stacking of one dolly on another for storage purposes and return shipment purposes. A long dolly may also be provided with laterally mounted posts for receiving and supporting a sho... | 08/30/2011 |
| 8001719 | Method for producing rapidly renewable chitinous material using fungal fruiting bodies and product made thereby The method of growing a fungal fruiting body requires exposing a mycelium of a desired organism type to environmental conditions sufficient to induce fruiting of fungal primordium in the organism type followed by enclosing the fungal primordium within a mold of a de... | 08/23/2011 |
| 8000517 | Test procedure for measuring the geometric features of a golf club face The test procedure for determining groove conformance employs a replicating compound to obtain a self-supporting mass with a negative image of the grooves of a club face. A thin test specimen strip is sliced from the mass and then scanned to form an electronic trace... | 08/16/2011 |
| 7997450 | Multicomponent cartridge The multicomponent cartridge has a container with chambers for the reception of different fluid components, a mixer element fixed on the container for the mixing of the components and a dispensing tube placed onto the mixer element and connected to the container for... | 08/16/2011 |
| 7997327 | Apparatus for combined heat transfer and static mixing with a liquid The apparatus (1) which combines a heat exchange between a liquid (8) and a heat transporting medium (7) with a static mixing of the liquid includes installed structures (2) in a jacket (3). The jacket extends longitudinally betwee... | 08/16/2011 |
| 7993554 | Method for the manufacture of a molding composition A method for the manufacture of a molding composition from a raw material melt which is charged with an additive includes the steps: charging a conveyor apparatus with a raw material which includes a liquid or gooey pasty composition or a granulate; converting the r... | 08/09/2011 |
| 7981340 | Method of degassing a flowable mass in a ring extruder The method of degassing is performed in a ring extruder wherein at least one process chamber is provided with at least one degassing opening. The radius R of the conveyor element in the degassing zone is smaller by ΔR than the full radius Rv of the conveyor element... | 07/19/2011 |
| 7980847 | Production of consumable shell-shaped articles from a fatty material containing cacao or a chocolate-type substance The invention relates to a device and a method for producing a consumable shell-shaped article from a fatty material, in particular from the material containing cacao or a chocolate-type material by cold moulding with the aid of a honeycomb cell (2) and a coo... | 07/19/2011 |
| 7972668 | Foamed laminated construction A laminated construction having a first layer having a plurality of criss-crossing foamed filaments adhered to each other and defining a net, an impermeable layer laminated to the first layer along two opposite longitudinal edges to form a sleeve, and a perforated p... | 07/05/2011 |
| 7950364 | Prechamber for a gas engine The invention relates to a device for a prechamber unit (10) of a gas engine, comprising a prechamber unit (10) in the form of an elongated body (12) arranged to be placed in an upper part of the engine's cylinder, and where the elongated body (... | 05/31/2011 |
| 7931423 | Drainage element A preassembled drainage line element is fabricated at least in part of a biodegradable material, such as kraft paper or a plastic film. The biodegradable material may be perforated to impart a characteristic of water permeability to the material. ... | 04/26/2011 |
| 7896039 | Distributor for pairwise delivery of two liquids The distributor serves for a pairwise delivery of two liquids to a plurality of infeed sites in a reactor or in a column with a density of at least 50 sites per m2. The distributor has a pair of main passages that supply pairs of secondary passages with d... | 03/01/2011 |
| 7884177 | Method and device for the continuous polycondensation of polyester material in the solid phase The invention relates to a method and device for the continuous polycondensation of polyester material in the solid phase, in particular in the form of partially crystalline granulate. The aim of the invention is to achieve a high product throughput on recrystallisi... | 02/08/2011 |
| 7866973 | Die for forming extrudates of viscoelastic materials The invention relates to a die assembly(1) for forming extrudates of viscoelastic masses, e.g. polymers, dough masses etc, comprising several similar parallel die channels (2), each extending through the die assembly (1) in the axial transport d... | 01/11/2011 |
| 7857879 | Droplet separator The droplet separator includes a vortex generating apparatus in a flow passage for directing a droplet-carrying gas in the direction of at least one separator element arranged concentrically about the flow passage. The separator element includes multiple grid-like s... | 12/28/2010 |
| 7855237 | Plant for the manufacture of polymer particles The method for the manufacture of foamed or foamable polymer particles employs a mixture of a polymer melt and a recycled polymer melt produced from recycled, propellant-containing polymer particles. The associated plant for the manufacture of the foamed or foamable... | 12/21/2010 |
| 7841481 | Multicomponent cartridge assembly The multicomponent cartridge assembly has at least two cartridge containers arranged next to one another and which can be connected to one another via upper and lower connection elements so that they can be plugged together. An additional latch device in the form of... | 11/30/2010 |
| 7840427 | Shared transport system and service network The network system matches the supply and demand of transportation services by incorporating unused transportation capacity (i.e., empty seats) with a real-time allocation and matching service that enables individuals and goods to conveniently hire that capacity wit... | 11/23/2010 |
| 7827662 | Device of a descaler head A device of a descaler head is described with circumferentially following and longitudinally following rows of descaler parts (22, 24, 26) where the descaler head comprises: a shaft (12) onto which are fed a number of holding elements for the descaler ... | 11/09/2010 |
| 7819942 | Solid-phase polycondensation of polyester with process gas purification The invention relates to a method for producing a high-molecular polyester from a solidified polyester prepolymer by solid phase polycondensation. The polycondensation cleavage products of the solid phase polycondensation reaction are extracted from the product by m... | 10/26/2010 |
| 7811030 | Water drainage system for a field having a water impermeable layer The tubular element is made with a sleeve formed of a spun bonded polyester material that allows the passage of water and prevents the passage of soil when used for a drainage element. The tubular element is made with small diameters that allows the element to be co... | 10/12/2010 |
| 7766990 | Apparatus for the separation of liquid from a fluid flow loaded with liquid droplets The apparatus serves for the separation of liquid from a fluid flow loaded with liquid droplets, which can be directed through separator structures in counterflow to separated liquid. The separated liquid flows away on surfaces of the separator structures into a col... | 08/03/2010 |
| 7748577 | Cartridge piston The cartridge piston has an outer wall, an inner support body and radial connection webs between the outer wall and the inner support body. In order to ensure a good sealing behavior under unilateral strain or asymmetric strain by a pressing plunger, a stiffening bo... | 07/06/2010 |
| 7744308 | Drainage element of ovate shape and method of making The drainage element is formed of a tubular mesh that is filled with loose fill elements of polymeric material, deformed into an ovate cross-sectional shape and cured at an ambient temperature to hold the elements in a compacted state to define a rigid drainage elem... | 06/29/2010 |
