UNIVERSIDADE FEDERAL DO PARA-UFPA

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 4129
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 2203
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
C12Q MEASURING OR TESTING PROCESSES INVOLVING ENZYMES OR MICRO-ORGANISMS 1124
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0284,561 METHOD FOR DETERMINING THE DEGREE OF WEAR OF A VALVE, AND APPARATUS FOR CARRYING OUT SAID METHODSep 01, 15Oct 05, 17[F16K]
2017/0123,288 Compact Optical Key Based on a Two-Dimensional Photonic Crystal with 120 Degree FoldingMay 22, 15May 04, 17[G02F]
2016/0144,447 Welding Process Gas Metal Arc Welding - Double Cold Wire (GMAW-DCW)Jun 26, 14May 26, 16[B23K]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9778496 Nonreciprocal three-way divider based on a magneto-optical resonatorJun 26, 14Oct 03, 17[G02B, G02F]
9778540 Compact optical switch having only two waveguides and a resonant cavity to provide 60 degree foldingMay 22, 15Oct 03, 17[G02F]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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