THOMAS SWAN & CO. LTD.

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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 8125
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 6199
 
  
 
G03H HOLOGRAPHIC PROCESSES OR APPARATUS 527
 
  
 
H04J MULTIPLEX COMMUNICATION 3122
 
  
 
H04Q SELECTING 3107
 
  
 
C07D HETEROCYCLIC COMPOUNDS 2160
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 276
 
  
 
B01D SEPARATION 1133
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0240,428 TWO-DIMENSIONAL MATERIALSSep 14, 15Aug 24, 17[C01B, B01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9751848 Chelate-controlled diastereoselective hydrogenation with heterogeneous catalystSep 28, 15Sep 05, 17[C07D, B01J]
9529325 Optical processingDec 12, 14Dec 27, 16[H04Q, G02B, G02F, H04J, G03H]
8937759 Optical processingNov 15, 12Jan 20, 15[H04Q, G02B, G02F, G03H, H04J]
8335033 Optical processingFeb 23, 10Dec 18, 12[G02F, G03H]
8089683 Optical processingOct 29, 07Jan 03, 12[G02B, G02F, H04J]
7847227 Optical measuring systemOct 29, 07Dec 07, 10[G01J, H04N, G03H]
7664395 Optical processingSep 01, 06Feb 16, 10[H04J]
7442909 Optical measuring systemDec 09, 04Oct 28, 08[G01J]
7145710 Optical processingSep 02, 02Dec 05, 06[G02F]
6156933 Supercritical hydrogenationFeb 18, 99Dec 05, 00[C07C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7612930 Optical processingExpiredSep 01, 06Nov 03, 09[G02B, G02F]
7417706 Beam steering deviceExpiredMay 22, 06Aug 26, 08[G02F]
2007/0076,163 Reflective liquid crystal spatial light modulatorAbandonedNov 30, 06Apr 05, 07[G02F]
2006/0169,408 Method and composition for bonding fibres to rubbersAbandonedDec 06, 02Aug 03, 06[C08J]
6975786 Optical switching with ferroelectric liquid crystal SLMsExpiredOct 04, 00Dec 13, 05[G02B]
6954252 Optical switch including two integrated multiphase SLM's and a wave-plate the wave-plate providing an optical retardance of (2n+1)λ/4ExpiredOct 04, 00Oct 11, 05[G02F]
2005/0219,457 Optical switchAbandonedJun 02, 05Oct 06, 05[G02F]
6922513 Optical devices and methods of manufacture thereofExpiredDec 04, 00Jul 26, 05[G02B]
2004/0135,965 Beam steering deviceAbandonedMar 15, 04Jul 15, 04[G02F]
6630606 Acylation reactions of aromatic substratesExpiredAug 24, 01Oct 07, 03[C07C]
6624259 Powder coating of polyepoxide or .beta.-hydroxyalkylamide, acid resin, polycarboxylic acid and 3.degree. or 4.degree. nitrogen sourceExpiredOct 05, 01Sep 23, 03[C08L]
6566558 Hydroformylation reactionsExpiredMar 12, 01May 20, 03[C07C]
2002/0027,699 Light modulator on a semiconductor substrateAbandonedFeb 23, 01Mar 07, 02[G02F]
6303840 Alkylation reactions of aromatic subtratesExpiredJun 18, 99Oct 16, 01[C07C]
5206304 Vulcanizable rubber mixtures containing bis-(2,4-organylthio-triazine-6-yl) polysulfidesExpiredAug 22, 91Apr 27, 93[C08C]
4904876 Detection of ultraviolet radiationExpiredApr 29, 88Feb 27, 90[G01J]
4837322 Mixtures of sulfurous triazine compoundsExpiredAug 27, 87Jun 06, 89[C07D]
4799453 Apparatus for the solidification of liquid filmsExpiredAug 27, 87Jan 24, 89[B05C]

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