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 |
| 7837237 | Quick connector with bayonet locking A combination of two bodies having tube-shaped or sleeve-shaped connecting sections which can be plugged into one another as part of an air-conditioning line system in an aircraft, the combination including at least one radial locking projection on a first body, at ... | 11/23/2010 |
| 7798537 | Coupling apparatus A coupling apparatus includes projections projecting axially from circumferential positions on a distal part of an annular body, each projection having an engaging hook projecting in one circumferential direction at an end part thereof. The body and the projections ... | 09/21/2010 |
| 7523967 | Tubing fitting A tubing fitting for use in microsurgery including a female tubing fitting and a male tubing fitting. The female tubing fitting has an external surface with a pair of opposing projections disposed thereon and an internal bore. The male tubing fitting has a second in... | 04/28/2009 |
| 7513537 | Tubular connection with slotted threads A connection for the quick and functionally reliable connection of tubulars including pipes and casing. The connection having a male or pin end and a mating female, box, or socket end and sections of circumferentially and axially extending protuberances such as thre... | 04/07/2009 |
| 7464972 | Air evacuation attachment for fire hoses An air evacuation attachment for a fire hose includes an elongated conduit having an inlet and an opposing outlet. At the inlet is a Storz adaptor for coupling the conduit with a fire hose having a predetermined diameter. Storage tubes are provided along the length ... | 12/16/2008 |
| 7431351 | Pressure-containing tubular connections for remote operation This invention is a method and apparatus for making a pressure-containing threaded tubular connection, suitable for remotely operated connection and separation, utilizing electrical heating to reduce the amount of make up torque required to produce reliable preloadi... | 10/07/2008 |
| 7401820 | Connector mounting structure A connector is inserted into a connection hole provided on a fluid piping equipment, and the connector is prevented from dropping out via a retainer held by a retainer holding portion. The connector has a connecting portion including a flange stop portion, and a pos... | 07/22/2008 |
| 7354074 | Adapter assembly for a fluid supply assembly An adapter assembly for connecting a fluid supply assembly to a fluid applicator. The adapter assembly includes an outer lid for the fluid supply assembly and an adapter. The adapter assembly provides a connection between the fluid supply assembly and the fluid appl... | 04/08/2008 |
| 7334960 | Attachment device for removable components in hot gas paths in a turbine engine An attachment device for coupling one or more removable turbine components to a carrier of a turbine engine. The attachment device may include a securement structure rotatable about an axis of rotation and including one or more arms for grasping an arm extending fro... | 02/26/2008 |
| 7320301 | Clock and anchor pipe fitting and method A pipe fitting assembly is provided for an intake manifold defining a generally cylindrical bore and having at least one tab portion defining at least one groove. The pipe fitting assembly includes a fitting member having a generally cylindrical portion configured f... | 01/22/2008 |
| 7243953 | Coupling apparatus including release preventing structure A coupling apparatus includes a pair of cylindrical coupling main bodies which are concentrically and oppositely arranged to each other and which have the same structure as to each other, liners which are accommodated in the coupling main bodies respectively, and a ... | 07/17/2007 |
| 7207607 | Coaxial two-component cartridge The invention relates to a coaxial two-component cartridge, with an outer tube and a separate inner tube, both of which tape at one respective end into a respective neck, wherein the inner side of the neck of the outer tube and the outer side of the neck of the inne... | 04/24/2007 |
| 7204522 | Duct detector housing A duct coupled air sampling detector housing includes a box to contain the detector. The box has a slotted sleeve adapted to receive tubular conduit having a protruding conduit tab. The conduit upon passing the protruding conduit tab through the sleeve slot is rotat... | 04/17/2007 |
| 7137654 | Fastening mechanism for medical connectors A medical connector adapted for placement between a catheter and a medical infusion or injection source includes a pair of interlocking half medical connector portions, one side of which attaches to the infusion source and the other side of which is coupled to the c... | 11/21/2006 |
| 7063108 | Corrugation structure for pipe A corrugated pipe 2 has a plurality of corrugation structures 10, 12 positioned adjacent one another. The corrugation structures 10, 12 comprise an inner cylindrical wall 22, two annular wall portions 28, 32 that extend outwardly f... | 06/20/2006 |
| 7040393 | Choke and kill line systems for blowout preventers The invention is directed to pressure lines for use with equipment associated with drilling and production risers, and in particular, pressure lines having breechblock connections with the equipment and with choke and kill lines for use in connection with different ... | 05/09/2006 |
| 7040670 | Coupling apparatus The present invention relates to an alternative pipe coupling apparatus, to conventional tapered screw threads usually used to join ends of pipe sections to fixtures. The invention utilizes a bayonet style interlocking arrangement having a male element and a female ... | 05/09/2006 |
| 7036752 | Connection of cup and paint sprayer A paint sprayer includes a threaded hole defined in a barrel thereof and a connection member is threadedly engaged with the threaded hole. A passage defined through the connection member and shares a common axis with the threaded hole in the sprayer. An eccentric ho... | 05/02/2006 |
| 7025385 | Coupling A coupling connects a first member and a second member. The first member has a first interlocking member extending radially outward from an outer circumferential surface of an axial end. The second member includes a second interlocking member extending radially inwa... | 04/11/2006 |
| 7021669 | Coupling part for a fluid coupling device A coupling part for a fluid coupling device, especially a hose coupling, which has a looking device switchable between two positions. The locking device has locking elements mounted on a base body, and a socket-shaped actuating element that interacts with the lockin... | 04/04/2006 |
| 7017953 | Twist lock assembly A twist lock assembly includes an annular first flange at an open end of a first conduit attached to a fluid receiving component. The first flange has an alignment slot and at least one locking slot formed therein. A fluid conducting conduit has an annular second fl... | 03/28/2006 |
| 6994382 | Retaining feature for corrugated acoustic duct A retaining feature is provided for connecting a plastic tube to a corrugated acoustic duct. The retaining feature accommodates variations in the undulations and thread pattern of the corrugated duct, while at the same time minimizing the materials, specialized equi... | 02/07/2006 |
| 6991270 | Hose coupling assembly A hose coupling assembly wherein a hose 20 having a corrugated portion 22 is coupled to a fitting block 24 by a socket 50. The fitting block 24 has a block engagement catch 25c projecting from the outside rim of the block body 25. The socket 50 comprises a so... | 01/31/2006 |
| 6942255 | Twist fitting for air tank connections A fitting connector for a pressure vessel including a bushing for mounting within an aperture defined in a pressure vessel wall. The bushing includes a cylindrical bushing body having a head portion at one end thereof and including at least a pair of locking members... | 09/13/2005 |
| 6905151 | Linearly actuated quick connect pipe couplings A quick connect coupling for removably connecting two pipes which comprises a male element adapted to fit into a female element along a principal axis of the coupling. The Female element includes at least one ramp for receiving a radial projection of the male elemen... | 06/14/2005 |
| 6886867 | Drain hose flush system A drain hose flush adapter, system, and method of use for cleaning or flushing hoses and tubes such as those used to drain waste water sewage and holding tanks is provided. One end of the adapter may be connected to a source of flushing fluid, and the other end of t... | 05/03/2005 |
| 6871883 | Fluid line locking structure A simple twist and lock or unlock structure is provided for use with high pressure hydraulic lines used on small vehicles such as Lawn and Garden tractors. The locking structure utilizes the combination of a tab and slotted member secured to adjacent end portions of... | 03/29/2005 |
| 6702337 | Spout for screw on connector A spout for a flexible bag adapted to hold a liquid, the spout adapted for coupling with a connector having a rotatable spout adapter with an internal thread. The spout has a substantially cylindrical body with an outer surface, a spout opening, and a spo... | 03/09/2004 |
| 6669239 | Sealing device for a conduit passing through a wall A device is provided for allowing a conduit to extend through a wall while providing a seal around the conduit. The conduit extends through an opening formed in the wall and the conduit has a first end, a second end, and a central axis extending within th... | 12/30/2003 |
| 6659511 | Flexible fluid-transport pipe joint apparatus A flexible pipe joint apparatus for use in a fluid (e.g., water) transport pipe system for maximally absorbing an external force such as a compression or tensile force applied to a pipe of the fluid transport system due to an earthquake, differential sett... | 12/09/2003 |
| 6648377 | Saddle with gasketed bell-end portions A saddle assembly is secured about a liquid conduit by its contoured base portion and a half clamp and threaded fasteners. A pipe or nipple is received in a gasketed bell-end outlet and is retained against separation by respective components and devices.... | 11/18/2003 |
| 6616197 | Resilient retention method A resilient retention method which retains two assemblies axially through the use of a flange and lip arrangement and simultaneously retains those assemblies rotationally through either a radial detent or a snap spring are shown in variations. The designs... | 09/09/2003 |
| 6612624 | Fastening mechanism for medical connectors A medical connector adapted for placement between a catheter and a medical infusion or injection source includes a pair of interlocking half medical connector portions, one side of which attaches to the infusion source and the other side of which is coupl... | 09/02/2003 |
| 6530682 | Structure multi-cut type lamp pipe connector componentry A connecting element of a multi-sectional lamp tube comprises a locking ring, a mounting joint, a threaded tube, and a fixing ring. The locking ring has a hollow bottom end and a though hole. Two sides of the through hole of the locking ring are installed... | 03/11/2003 |
| 6511103 | Sealed connection device for a ventilation filter The inventive device includes a cylindrical housing adapted to receive a filter, the housing having an axis being fixed at a second end to a ventilation circuit flange and having a first end mounted on a mobile companion flange, the companion flange being... | 01/28/2003 |
| 6450552 | Sanitary fixture, more particularly a wash-stand fixture A sanitary fixture comprises a fixture housing, in which a receiving chamber for at least one element controlling the water flow, e.g. a plate cam cartridge, is constructed. The receiving chamber is sealed at the bottom by a base (1). Secured in at least ... | 09/17/2002 |
| 6447027 | Quick connect hydrant nozzle for connecting a fire hose to a fire hydrant A hydrant nozzle for connecting a fire hose to a fire hydrant. The hydrant nozzle comprises a tubular body portion extending longitudinally between a first end and a second end. The body portion has a generally cylindrical outer surface and a generally cy... | 09/10/2002 |
| 6402207 | Safety indexed medical connectors A medical connector adapted for placement between a catheter and a medical infusion or injection source includes a pair of interlocking half medical connector portions, one side of which attaches to the infusion source and the other side of which is coupl... | 06/11/2002 |
| 6398136 | Penetrating and misting fire-fighting tool with removably attachable wands and nozzles A fire-fighting tool incorporates a twist-lock mechanism whereby various nozzles can be interchanged for particular fire-fighting purposes. Included in such nozzles are a penetrating nozzle having a doubly bevelled front end for easier access through a ro... | 06/04/2002 |
| 6328350 | Quarter turn coupling and adapter for hose of 1/2 inch to 7/8 inch diameter A hose coupling for 1/2 inch to 7/8 inch hose comprised of a coupling member having fastening means and a cylindrical opening therethrough, the fastening means comprising a cam and ramp, lug and face, the face supporting a gasket, the cam having a ramp an... | 12/11/2001 |
