Resources Contact Us Home
Block wall

Image Number 11 for United States Patent #4825619.

A retaining wall is made from a plurality of blocks arranged in rows superimposed on each other and pinned together. Each block has a body with an exterior face and rearwardly diverging side walls joined to a neck. A head having outwardly directed ears is joined to the neck. The body has holes and pockets for pins that interlock overlapped blocks together. A finishing block having a flat top surface is used to construct the top layer of the wall. A geogrid tie-back sheet having slots is located between layers of blocks and anchored to the pins stabilizes the wall.

  Recently Added Patents
Analog-to-digital converter with input voltage biasing DC level of resonant oscillator
System and method for optimizing use of plug-in air conditioners and portable heaters
Measurement of an analyte on the skin using a hue angle
Interactive program guide systems and processes
Gateway channel utilization
Hand-held electronic display device
  Randomly Featured Patents
Method for admixing plant essential oils to coatings for the purpose of repelling insects
Stroller frame
Accurately predicting system behavior of a managed system using genetic programming
Optical pickup device and apparatus for reading data from optical storage medium
Lighting fixture
Dosage form of N-acetyl cysteine
Intravascular device for venting an inflatable chamber
Method of establishing a preferred rate of air flow, method of determining torque, and apparatus
Optically active (R)-1-(4-trifluoromethylphenyl)ethylamine
Apparatus and method for field asymmetric ion mobility spectrometry combined with mass spectrometry