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 |
| 8100412 | Sealing device A sealing device (1) for providing a seal between a steering gear casing and a front wall sheet of a body of a motor vehicle around a steering shaft feed through lumen 21, the sealing device comprises a base body (2) to be connected to the steer... | 01/24/2012 |
| 7559557 | Sealing between vacuum chambers A sealing system is disclosed. One such sealing system includes a first vacuum chamber and a second vacuum chamber. The sealing system includes a first sealing unit having a proximal end and a distal end, the proximal end of the first sealing unit disposed on the fi... | 07/14/2009 |
| 7484735 | Reversible thermally expandable and/or contractible seal assemblies Seal assemblies employing reversible thermally expandable and/or contractible material that can be controlled and remotely changed to alter the seal effectiveness, wherein the seal assemblies actively change dimensional and/or modulus properties such as stiffness, s... | 02/03/2009 |
| 7478816 | Seal stiffener Apparatus for increasing stiffness in a seal are disclosed. A disclosed apparatus includes a first flexible member having a curved sealing surface and a second flexible member adjacent to a retainer side of the first flexible member. The second flexible member is co... | 01/20/2009 |
| 7418278 | Hand-portable devices and covers for hand-portable devices A hand portable device such as a mobile telephone 10 includes an engine assembly 12 and a cover 14, 16 for encasing the engine assembly. The device 10 further includes a closing arrangement 44, 45, 46, 50 alterable between a first ... | 08/26/2008 |
| 7395576 | Wiper opening cover A wiper cover is mounted in an opening in a vehicle housing and receives a wiper arm which pivots within the opening. The cover has a hollow body mounted in the opening, a rear flap which projects upwardly and forwardly from a rear side of the body, and a front flap... | 07/08/2008 |
| 7371227 | Trocar seal assembly A seal assembly adapted for use in conjunction with a trocar assembly includes a plurality of seal segments, each seal segment including a peripheral edge and a seam edge. Each seal segment further includes a first section and a second section with a vertical wall c... | 05/13/2008 |
| 7367567 | Low leakage finger seal A seal for an exhaust duct includes a metal mesh member sandwiched between an outer plate and an inner plate. The seal includes a plurality of flexible members defined by a plurality of slots in both the inner and outer plates. The flexible members provide for expan... | 05/06/2008 |
| 7354675 | Apparatus and method for maintaining compression of the active area in an electrochemical cell An electrochemical cell includes a first electrode, a second electrode, a proton exchange membrane disposed between and in intimate contact with the electrodes, and a pressure pad disposed in electrical communication with the first electrode. The pressure pad is an ... | 04/08/2008 |
| 7347329 | Substrate carrier A carrier for transporting silicon semiconductor wafers during semiconductor wafer processing operations including an enclosure, a door and a flange structured to interface with a machine so that the carrier can be lifted by the machine. A lift saddle connects the f... | 03/25/2008 |
| 7341259 | Air seal system for loudspeaker This invention provides an air seal system for loudspeakers where it is desirable to reproduce sound accurately and efficiently without loss in sound quality. The air seal system may include a housing, a baffle, and a cord gasket positioned in a gland to form an air... | 03/11/2008 |
| 7334710 | Closure assemblies for stores of flowable material The closure assembly comprises a first closure device in the form of a cone valve typically having a downwardly diverging upper surface and a second closure device in the form of a plug which is vertically slidable relative to the first closure device so that when i... | 02/26/2008 |
| 7328480 | Coextruded living hinge, a component incorporating the hinge, and methods of making the component A living hinge comprising a spring portion having a first end and a second end and a first arm portion and a second arm portion coextruded with the spring portion is disclosed. The first arm portion extends from the first end and the second arm portion extends from ... | 02/12/2008 |
| 7325890 | Glove fitting device This invention provides a glove fitting device to be removably fitted to a hermetically closable cabinet for fitting a glove to the cabinet in a manner to allow the glove to be stretched into the cabinet, the glove fitting device including: a tubular container havin... | 02/05/2008 |
| 7320841 | Fuel cell and separator structure used therein Disclosed is a fuel cell having two or more stacked units each containing a first separator in which a manifold and fuel gas passage section are formed, first seal sheet which seals the first separator periphery, membrane electrode assembly, second seal sheet which ... | 01/22/2008 |
| 7318590 | Pattern adhesive seal products and method of production The present invention is drawn to a method of making a sealing product, by a) selecting an a sealing material of an optimum film, mat or multi-well plate surface material for a specific sealing application; b) treating the sealing material; and c) directly coating t... | 01/15/2008 |
| 7316401 | Modular gasket A static gasket assembly having a grid-like carrier (10, 10′) formed as a mesh of overlapping strands. Openings (16-22) are created strategically in the carrier (10, 10′) with the severed ends of the strands forming cantilever stems (... | 01/08/2008 |
| 7311188 | Electromagnetic clutch An electromagnetic clutch for separably coupling a drive source and a rotary shaft has a rotor to be disposed in the outside of the rotary shaft concentrically therewith. The rotor is rotated by a drive source and accommodates an electromagnetic coil. The electromag... | 12/25/2007 |
| 7311311 | Seal A seal rubber 3 is placed in a first peripheral groove 2 formed in one main surface 1A of an approximately flat-plate-shaped metal body 1. A second peripheral groove 4 and multiple communicating holes 5 to communicate betwee... | 12/25/2007 |
| 7309068 | Rubber gasket for separator of fuel cell A rubber gasket to be disposed in a compressed state between separators of a fuel cell includes a sealing portion having a sectional shape of a two-projection structure with a first projection having a curved slope of a first curvature radius (D), and a second proje... | 12/18/2007 |
| 7303053 | Non-pressure head with integrated piston stop and vent/drain A non-pressure head for a fluid cylinder, which includes a drain channel formed in the flange by a raised portion of the flange extending from a plane of the flange in the same direction as the head portion. The channel is cold formed in the flange. For the piston s... | 12/04/2007 |
| 7267725 | Thin-film deposition apparatus A thin-film deposition apparatus includes a reaction chamber, a substrate transfer chamber, a susceptor having a radially-extending step portion, a ring-shaped separation wall for separating the reaction chamber and the substrate transfer chamber at a processing pos... | 09/11/2007 |
| 7268850 | Sealant encased blocker for LCD or LCOS panel A panel with a blocker comprising: an upper plate, a lower plate opposite to said upper plate, a liquid crystal layer, with which a gap between the upper plate and lower plate is filled, a blocker formed on the edge of said lower plate; and a sealant formed next to ... | 09/11/2007 |
| 7259385 | Photo-stimulable image plate restoration assembly An erasure assembly for imaging plates comprised of a cover member and a base member, the cover member in the form of an inverted rectangular tray having a plurality of light sources and reflective sources mounted therein behind a diffuser glass member, the base mem... | 08/21/2007 |
| 7258347 | Discrete active seal assemblies Active seal assemblies employing active materials that can be controlled and remotely changed to alter the seal effectiveness, wherein the active seal assemblies actively change modulus properties such as stiffness, shape orientation, and the like. In this manner, i... | 08/21/2007 |
| 7250124 | Structural reinforcement article and process for preparation thereof The invention is a process for the preparation of article comprising placing a film on each inner surface of each part of a two part mold; placing an article in the mold with film located between the surface of the mold and the article such that there is a small spa... | 07/31/2007 |
| 7229516 | Foam bodied gasket and gasket tape and method of making and using the same A novel gasket material. The gasket material has a foam core. The foam core is at least partially saturated with a curable polyurethane mix. ... | 06/12/2007 |
| 7226685 | Constituent part for fuel cell In order to reduce an assembling man hour of the constituting part for the fuel battery and prevent wrinkles from being generated in an electrolyte membrane, in a constituting part for a fuel battery having electrodes with catalyst in both pole sides of an electroly... | 06/05/2007 |
| 7220109 | Pump cylinder seal A compact opposed piston pump minimizes axial spacing between its pistons on the drive shaft and thereby reduces the shaking couple and noise from reciprocation. Each piston has its own eccentric element press-fit into the connecting rods so as not to occupy space b... | 05/22/2007 |
| 7210220 | Apparatus for and method of forming seals in fuel cells and fuel stacks A sealing technique is provided for forming complex and multiple seal configurations for fuel cells and other electrochemical cells. To provide a seal, for sealing chambers for oxidant, fuel and/or coolant, a groove network is provided extending through the various ... | 05/01/2007 |
| 7207572 | Gasket A gasket includes a first plate formed of a plurality of first plate pieces. Each plate piece has at least one combustion chamber hole therein, and a device for connecting the first plate pieces together. The first plate pieces are arranged such that the first combu... | 04/24/2007 |
| 7185894 | Watertight corrugated pipe gasket A corrugated pipe saddle gasket is provided having a leading member, a primary sealing member, and an arm member, with the gasket having a contoured surface extending along at least a portion of the bottom of the primary sealing member and the arm member correspondi... | 03/06/2007 |
| 7175026 | Memory disk shipping container with improved contaminant control A container for disks has an improved latching mechanism. The container comprises a cassette with sidewalls with slots for holding disks in an axial arrangement, two opposite end walls each have a U-shaped recess extending downwardly from the open top, a top cover w... | 02/13/2007 |
| 7175387 | Seal arrangement for reducing the seal gaps within a rotary flow machine A seal arrangement for reducing the seal gaps within a rotary flow machine, preferably an axial turbomachine, has rotor blades and guide vanes, which are respectively arranged in at least one rotor blade row and guide vane row and have respective blade/vane roots ( | 02/13/2007 |
| 7171886 | Pipe mortar To seal a pipe mortar, a sealing element (3, 6) is inserted between the pipe (1) and the base (2), with the element elastically balancing out the axial relative movements between the pipe (1) and the base (2). The sealing element (... | 02/06/2007 |
| 7159870 | Sealing at the juncture of three members A three-prong integrally formed resilient seal for sealing the juncture of three gasketed members. The seal has a common region having an embedded strain distributor of stiffer material than the remainder of the seal which is integrally formed, preferably by insert ... | 01/09/2007 |
| 7147228 | Pressure relief device A circular seal (19) for the end face of a substantially cylindrical canister, the seal (19) having a substantially rectangular cross-section, and a recess (21) in one side thereof to reduce the area of said cross-section. In use the recessed ar... | 12/12/2006 |
| 7138061 | Flash chromatography cartridge A low pressure liquid chromatographic cartridge is provided having a tubular polymer container adapted to receive a chromatographic packing material. The container has an outlet port located at a downstream end of the container and container threads formed on an ups... | 11/21/2006 |
| 7121556 | Molded plastic gasket A gasket is provided having a body including at least one service aperture and an integrally formed sealing bead portion. In an embodiment, the sealing bead portion includes a first outwardly extending bead and a first concave channel opposite the first outwardly ex... | 10/17/2006 |
| 7121553 | Bushing for a hydraulic valve A bushing for a hydraulic valve has a bushing wall having openings allowing passage of a hydraulic medium to and from an interior of the bushing. The openings have an opening wall that at least across a portion of a circumference of the opening wall is formed as a m... | 10/17/2006 |
