QED TECHNOLOGIES INTERNATIONAL, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 1848
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS693
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 3203
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 243
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 282
 
  
 
B24D TOOLS FOR GRINDING, BUFFING, OR SHARPENING 129
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C09C TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES 129
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR194
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION158

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9157010 Magnetorheological fluid for ultrasmooth polishingJul 18, 12Oct 13, 15[C09K, C09G, C09C, B24D]
9097612 Integrated wavefront sensor and profilometerNov 22, 13Aug 04, 15[G01M, G01B]
8944883 System for magnetorheological finishing of a substrateMar 02, 10Feb 03, 15[B24B]
8896293 Method and apparatus for measurement and control of magnetic particle concentration in a magnetorheological fluidApr 13, 11Nov 25, 14[B24B, G01N, G01R]
8613640 System for magnetorheological finishing of substratesDec 23, 10Dec 24, 13[B24B]
8203719 Stitching of near-nulled subaperture measurementsApr 08, 09Jun 19, 12[G01B]
7888929 Method and apparatus for measurement of magnetic permeability of a materialFeb 27, 08Feb 15, 11[B24B, G01N, G01B]
7557566 Method and apparatus for measurement of magnetic permeability of a materialMar 02, 07Jul 07, 09[G01N, G01B]
7433057 Method for accurate high-resolution measurements of aspheric surfacesApr 05, 06Oct 07, 08[G01B]
7261616 Magnetorheological polishing devices and methodsNov 18, 02Aug 28, 07[B24B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6719611 Jet-induced finishing of a substrate surfaceExpiredDec 20, 01Apr 13, 04[B24C]
6309285 Magnetic wiperExpiredJun 14, 01Oct 30, 01[B24B]
6267651 Magnetic wiperExpiredJan 10, 00Jul 31, 01[B24B]

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