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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| Application No. | Application Title | Issue Date |
| 20110272888 | Slip joint with clamp The present invention provides an improved slip joint pipe coupling, which is reinforced by the mechanical compression of a split collar and sealing ring.... | 11/10/2011 |
| 20080136184 | Tightenable band clamp A tightenable band clamp with a clamping band and a tightening head with two clamping jaws which are a certain circumferential distance apart and which can be moved toward each other by a tightening device. For this purpose, at least one clamping jaw, in the area of its... | 06/12/2008 |
| 20060284413 | Pipe repair coupling An improved interlocking pipe repair coupling suitable to join together two portions of pipe, or to close a hole, and a method for using said improved repair coupling is described. ... | 12/21/2006 |
| 20060267343 | Pipe coupling The invention relates to a pipe coupling for rigid plastics pipes having smooth cylindrical ends. The coupling includes a rigid sleeve having a longitudinal bore. Two spaced apart annular grooves are provided in the bore to respectively house deformable annular seals ad... | 11/30/2006 |
| 20060151997 | High-pressure fastening tee assembly In one aspect, the invention provides a fastening tee assembly for use on a conduit, the conduit generally having pressurized contents, the assembly comprising a first shell having a port therethrough, a second shell, fastening means to fasten said first and second shel... | 07/13/2006 |
| 20060138776 | Pipe coupling with tongue and groove sealing sleeve A coupler is disclosed for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside the band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint ... | 06/29/2006 |
| 20060061103 | Pipe joint infill and protective sleeve An apparatus and method for protecting exposed pipeline joints on weight coated pipelines used in offshore applications. A pliable cover sleeve overlaps a pair of weight coat sections that surround the pipeline on each side of the pipe joint. The cover sleeve circumfere... | 03/23/2006 |
| 20060049636 | Pipe coupling comprising a divided sleeve A pipe coupling (11) comprises a tubular casing (12) and a sealing gasket (13), which fit over the ends of the pipes to be coupled. The casing (12) is formed from a strip of rolled steel into a cylindrical shape, with a longitudinal gap (1... | 03/09/2006 |
| 20050212294 | Toggle locked coupling A coupling is provided for joining the ends of relatively soft plastic conduit. Hinged shell halves contain gripping teeth that penetrate and secure the conduit ends together. Penetration of the gripping teeth into the plastic conduit is accomplished by toggle clamps th... | 09/29/2005 |
| 20050189768 | PIPE CLAMP WITH BUTTON ENGAGEMENT HOLE A pipe clamp for connecting two pipe ends together. The pipe clamp includes a clamp component in the form of an open band of metal extending from a first flange to a second flange. A sleeve is located within the band, and the pipe clamp includes a tightening mechanism f... | 09/01/2005 |
