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 |
| 7325575 | Rope and webbing protector A protector is disclosed for protecting an elongated portion of a rope or webbing. The protector includes a flexible material including a first inner edge having a first length and about which the protector is wrapped such that a second outer edge is exposed. The fi... | 02/05/2008 |
| 7318455 | Pipe body and forming method of the same The present invention provides a pipe body of which the edge sections contact with each other stably and which can be formed only by means of only a press processing without performing a welding in mass-producing, wherein separation-prevented engagement due to defor... | 01/15/2008 |
| 7284729 | Transducer holder System, methods and apparatus are provided for securing one or more transducers to a patient. According to one illustrative embodiment, a transducer holder is provided that includes a base, one or more fasteners for securing one or more transducers, respectively, an... | 10/23/2007 |
| 7140378 | Instantaneous water heater A system for instantaneously heating water has a heat exchanger for heating cold water to produce overheated water; a hot water supply member connected to a first intake of the heat exchanger; a cold water supply member connected to a second intake of the heat excha... | 11/28/2006 |
| 7086422 | Respiratory gas hose system for supplying a respiratory gas A respiratory gas hose system for supplying a respiratory gas is provided, particularly for use in the frame work of CPAP therapy. The respiratory gas hose system comprises a flexible hose line including a flexible sheathing body to surround the flexible hose line, ... | 08/08/2006 |
| 7066210 | Compression pipe repairing and reinforcing methods A method of repairing a section of pipe is described. The method includes applying a first split sleeve and a second split sleeve to the pipe section, functionally associating the first end of the first split sleeve with the first end of the second split sleeve, and... | 06/27/2006 |
| 7044169 | Pipe body and forming method of the same The present invention provides a pipe body of which the edge sections contact with each other stably and which can be formed only by means of only a press processing without performing a welding in mass-producing, wherein separation-prevented engagement due to defor... | 05/16/2006 |
| 7024748 | Segment formed flexible fluid containment vessel A flexible fluid containment vessel or vessels fabricated out of segments of fabric clamped together for transporting and containing a large volume of fluid, particularly fresh water. ... | 04/11/2006 |
| 6935379 | Prefabricated insulation for HVAC ductwork and other fluid conduits An improved insulation and an improved method for preparing and installing sheets of insulation having a vapor-barrier jacket or “finish” to ductwork and other fluid conduits or other surfaces. Anchor tabs are provided on the insulation, as are also studs for an... | 08/30/2005 |
| 6907907 | Removable pipe valve insulation cover In accordance with the present invention, a pipe insulation cover comprises a flexible planar and generally rectangular sheet having opposite long and short sides. Gathering structure is connected to each of the short sides, and releasably fastening structure is con... | 06/21/2005 |
| 6904941 | Helically formed cylinder of varying length and diameter A variable diameter cylinder made from a sheet having first and second edges that are opposite to each other and that slideably connect with each other to form a helical joint of a cylinder such that sliding the edges of the sheet along the joint varies a diameter a... | 06/14/2005 |
| 6880581 | Method of forming a tube A method of forming a tube involves the punching of tabs from overlapping longitudinal seam and folding the tabs to mechanically fix the opposed lateral edges of the sheet material forming the tube. ... | 04/19/2005 |
| 6814105 | Duct insulation having condensate wicking An insulated duct assembly includes an elongated duct, an insulation blanket, at least one sheet of escape wick material and a tape layer. The insulation blanket has an inner wicking layer. The insulation blanket is applied to the elongated duct so as to create a se... | 11/09/2004 |
| 6382260 | Water resistant adjustable jackets for insulated pipe bends An adjustable jacket and method of covering an insulated conduit, the jacket having two parts which together form a cylindrical configuration over the insulated conduit. Overlapping flanges of the two parts equipped with grooves and ridges allow tightenin... | 05/07/2002 |
| 6357196 | Pultruded utility pole A hollow fiberglass utility pole includes a pair of segments that are a fiberglass sheet that has a semicircular cross-section. The segments have first and second longitudinal edges with male and female couplers respective shapes that have a complimentary... | 03/19/2002 |
| 6315005 | Water resistant adjustable jackets for insulated pipe bends An adjustable jacket and method of covering an insulated conduit, the jacket having two parts which together form a cylindrical configuration over the insulated conduit. Overlapping flanges of the two parts equipped with grooves and ridges allow tightenin... | 11/13/2001 |
| 6311735 | Collapsible plenum A collapsible, pop-up plenum for central heating and air conditioning equipment folds substantially flat for shipping and storage. The plenum's planar sidewalls form a rectangular box having an open input end. An endwall opposite the input end is attached... | 11/06/2001 |
| 6240967 | Sleeve assembly for protecting conducting wires against damage by cutting implements A protective sleeve assembly for preventing damage to a power cord providing alternating voltage and current to an electric cutting implement during the inadvertent contact between the edge of the blade assembly of the cutting implement and the power cord... | 06/05/2001 |
| 6227251 | Wire protecting structure A wire protecting structure for connecting the wire to a insulator mounted onto a pole is directed to facilitate reception of the wire therein and to prevent exposure of the wire therefrom. The wire protecting structure includes a tube having a slit which... | 05/08/2001 |
| 6216742 | Heat insulating hose There is provided a heat insulating hose which comprises a seamless cylindrical inner tube formed of a synthetic resin, and a cylindrical heat insulating layer formed of a foamed synthetic resin for covering an outer peripheral face of the inner tube, cha... | 04/17/2001 |
| 6202700 | Self-flushing pipe A drainage pipe for use in a basement waterproofing system is disclosed. The drainage pipe includes a plurality of openings located along its lower sidewalls. The drainage pipe includes a cleaning tube affixed to an interior surface of the drainage pipe. ... | 03/20/2001 |
| 6176052 | Fire retarding division penetrating member The installation of a fire retarding division-penetrating member is enhanced and the member fits the outer circumference of inconstant penetrating material to prevent the filler from dropping. The heat expansion fire resistant material may be securely pro... | 01/23/2001 |
| 6161589 | Pipe hole covering and sealing trim A pipe hole covering and sealing trim for covering and sealing a hole in a wall through which a pipe extends. The pipe hole covering and sealing trim includes an annular piece has inner and outer perimeters, and front and back faces. The inner perimeter o... | 12/19/2000 |
| 6032702 | Sheathing strip with mating side edges A sheathing strip with mating side edges that includes a flexible plastic film sheathing strip having a nominal thickness of less than twenty thousandths of one inch, first and second side surfaces, and first and second strip side edges; a first mating si... | 03/07/2000 |
| 5975146 | Ventilation duct and insulation panel used for its internal lining A ventilation duct includes an envelope lined on the inside by insulation panels. The panels have a lining on the side of the flow channel of the duct and on at least one part of at least one of transverse edges of the duct. This lining extends over at le... | 11/02/1999 |
| 5967194 | Self-sealing tubing A tubular article of resilient material used as a protective sheathing for wires, hoses or other elongated substrates is provided with substantially circumferentially extending corrugations and a longitudinally slit side wall to allow for installation ove... | 10/19/1999 |
| 5958529 | Side entry sealing device A side entry heat recoverable article. The heat recoverable article comprises a longitudinal body member composed of a cross-linked polymer and having a generally C-shaped cross section. The body member preferably includes circumferential ribs. A layer of... | 09/28/1999 |
| 5947159 | Fire retarding division penetrating member An elastic metal sheet member with thermal expansion material being lined on its internal face is curved to a C-letter shape. A claw is formed downward to a opening side tip, and a engaging mouth is formed to the opposite opening side tip. In this structu... | 09/07/1999 |
| 5941287 | Removable reusable pipe insulation section A removable reusable insulating unit suitable for insulating exposed pipe sections forming components of an insulated pipe system, the unit having a hollow body constructed of an insulating material which is capable of being easily cut the hollow body def... | 08/24/1999 |
| 5901756 | Flexible wear sleeve A flexible wear sleeve for protectively surrounding one or more flexible cables or conduits leading to a spot-welding machine or an arc-welding machine or robot, the wear sleeve being formed by joining opposed edges of a flexible web to one another by a z... | 05/11/1999 |
| 5899239 | Tubular fencing components formed from plastic sheet material Tubular components for use in modular fencing systems are manufactured utilizing die-forming of a flat plastic sheet, rather than by profile extrusion of a tubular form. This approach is made feasible by an aesthetically acceptable and structurally sound ... | 05/04/1999 |
| 5797432 | Pipe repair clamp A pipe repair clamp especially for subsea offshore work has two half-shells held together around the pipe by two sets of diametrically opposite interlocking formations comprising in each set a series of abutments integral with a half-shell and a series of... | 08/25/1998 |
| 5771941 | Longitudinal open tubular clamps for fixing insulation on piping A tubular longitudinal clamp is used to fix thermal insulation along piping within the clamp. The clamp comprises an open tubular body having one end with a larger diameter than the other end so that the tubular clamps can be fitted together by insertion ... | 06/30/1998 |
| 5733614 | Arrangement for tightly enclosing a substrate An arrangement for tightly enclosing a substrate with a heat-shrinking plastic sleeve (1), which has thickened sections (2, 3) along its longitudinal edges, has at least two rails (4, 5) pushed on the sleeve (1) after it has been placed around the substra... | 03/31/1998 |
| 5535787 | Flexible cable holder A flexible cable holder is disclosed comprising a flexible web with a plurality of edge fasteners along opposite edges of the web. The edge fasteners are engaged, forming an enclosed duct for retaining cables, wires and power cords. End fasteners are prov... | 07/16/1996 |
| 5505230 | Means for protecting conducting equipment A protective sleeve assembly 10 for use in protecting conducting equipment such as cables, wiring and tubing is disclosed as comprising a longitudinal body portion 12 which includes an inner surface 16 and an outer surface 14, a male locking member 18 ext... | 04/09/1996 |
| 5443096 | Pipe repair coupling A pipe repair coupling comprising a pair of semi-circular separate and independent coupling segments. Each segment is identical in cross section, length, and width. When coupled together along one elongated edge in a snap fit relationship, the interconnec... | 08/22/1995 |
| 5391840 | Insulated duct An insulated duct, for example for electric cables, comprises first and second co-operable members forming a duct therebetween and toggle clips to secure the first and second members together such that the first and second members are urged towards each o... | 02/21/1995 |
| 5345972 | Method for repairing local damage to pipelines by applying cladding with an interposed protective sheath A method for repairing local damage to pipelines by applying a cylindrical cladding consisting of two cylindrical half-shells welded together to create an interspace, which is sealed by applying gaskets forced against the circular edges of the cladding, a... | 09/13/1994 |
| 5300732 | Environmental seal An assembly capable of sealing an elongate substrate that is curved or angled along its length, which has a heat-shrinkable wraparound sleeve (1) having closure rails (3) adjacent opposing longitudinal edges thereof which can be held together by positioni... | 04/05/1994 |
