LEED FABRICATION SERVICES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 1133
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 164
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS173
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 167
 
  
 
F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT 128

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9689608 Methods and devices for drying hydrocarbon containing gasMar 13, 14Jun 27, 17[F25J, C10L, F25B]
9188006 Boundary layer disk turbine systems for controlling pneumatic devicesSep 14, 12Nov 17, 15[F04B, F04D, F01D]
7780766 Removal of vapor gas generated by an oil-containing materialMar 21, 07Aug 24, 10[B01D]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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