A-LOK Products, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL367
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149
 
  
 
H02G INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES 148

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8794639 Sealing assembly having liquid-filled sealDec 14, 09Aug 05, 14[F16L, H02G, F16J]
7918464 Gasket packageJan 29, 07Apr 05, 11[F16L, B65D]
7624992 Gasket packageMay 01, 06Dec 01, 09[F16L, B65D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5114162 Gasket for use in manhole bases and the likeExpiredNov 13, 86May 19, 92[F16L, F16J]
5054794 Clamping band for gaskets and the like and expansion means thereforExpiredMar 13, 89Oct 08, 91[F16L, B23P, F16J]
4941643 Apparatus for forming inverts and manhole assemblies and the like utilizing adjustable invert forming members joined with an intermediate flexible portionExpiredJan 26, 89Jul 17, 90[B28B]
4903970 Apparatus for providing a watertight seal for manhole pipe connections including a foldable gasket and clamping band assembly and expansion means for installing the gasket and clamping band assemblyExpiredAug 31, 87Feb 27, 90[F16L, B23P, F16J]
4890863 Metallic adjustable clamping band for gasketsExpiredMar 28, 88Jan 02, 90[F16L]
4751799 Method and apparatus for lining manhole assemblies and the likeExpiredJul 09, 86Jun 21, 88[E02D]
4746127 Adjustable clamping band for gaskets and method for using sameExpiredAug 20, 87May 24, 88[F16J]
4737220 Method of making a manhole riser having integral flexible waterlock for manhole covers and having a water tight seal for sealed manhole coversExpiredJul 28, 86Apr 12, 88[B29C, E02D]
4719724 Precast concrete manhole adjustable bolt slot assembly for securing cast iron frame and coverExpiredMay 21, 86Jan 19, 88[E02D]
4711455 Gasket for use in manholes and including clamping band having cooperating projections and grooves for preventing relative axial movement of the opposing ends of the clamping band during installation and for facilitating expansion by an expansion jackExpiredSep 23, 85Dec 08, 87[F16L, B23P, F16J]
4621941 Manhole riser having integral flexible waterlock for manhole covers and having a water tight seal for sealed manhole coversExpiredSep 25, 85Nov 11, 86[E21D]
4618464 Precast concrete manhole adjustable bolt slot for securing cast iron frame and cover and method for casting sameExpiredJul 19, 84Oct 21, 86[B28B]
4566483 Drop manhole precast encasementExpiredOct 15, 84Jan 28, 86[E02D]
4565347 Monolithic precast invert systemExpiredJul 19, 83Jan 21, 86[B28B]
4540310 Manhole riser and cooperating sleeve to provide a waterlock for manhole structuresExpiredJul 18, 83Sep 10, 85[E21D]
4422994 Method and apparatus for forming inverts in manhole assemblies, and the likeExpiredFeb 17, 81Dec 27, 83[B28B]
4387900 Method and apparatus for providing watertight seal for manhole pipe connectionExpiredMay 05, 82Jun 14, 83[F16J]

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