ARTHUR D. LITTLE, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A47J KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES 248
 
  
 
B01D SEPARATION 1133
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 128
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 190
 
  
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 145

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6083300 Dual mode air treatment apparatus and methodAug 25, 98Jul 04, 00[B01D]
5373704 Desiccant dehumidifierOct 24, 91Dec 20, 94[F25D]
5142968 Automated deep fat fryerSep 13, 91Sep 01, 92[A47J]
4927340 Synchronizing and unloading system for scroll fluid deviceAug 19, 88May 22, 90[F16D, F01C]
RE31833 Food cooking apparatusOct 21, 83Feb 19, 85[A47J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6629837 Integrated premixed indirect radiant burnerExpiredFeb 09, 01Oct 07, 03[F23D]
6557543 High pressure airflow and duct distribution system for a convection ovenExpiredJun 27, 01May 06, 03[A21B]
2003/0000,513 Switchable combustion system for a convection ovenAbandonedJun 27, 01Jan 02, 03[A21B]
2002/0155,405 Digital modulation for a gas-fired heaterAbandonedApr 20, 01Oct 24, 02[F23N]
5328341 Synchronizer assembly for a scroll fluid deviceExpiredJul 22, 93Jul 12, 94[F16D, F01C]
5314316 Scroll apparatus with reduced inlet pressure dropExpiredOct 22, 92May 24, 94[F01C]
5286179 Thermal isolation arrangement for scroll fluid deviceExpiredFeb 20, 92Feb 15, 94[F01C]
5286942 Induction steam humidifierExpiredOct 24, 91Feb 15, 94[H05B]
5256042 Bearing and lubrication system for a scroll fluid deviceExpiredFeb 20, 92Oct 26, 93[F01C]
5247795 Scroll expander driven compressor assemblyExpiredApr 01, 92Sep 28, 93[F02B]
5228309 Portable self-contained power and cooling systemExpiredSep 02, 92Jul 20, 93[F25B]
5224849 Compliance mounting mechanism for scroll fluid deviceExpiredFeb 20, 92Jul 06, 93[F01C]
5035145 Differential manometer pressure gageExpiredApr 12, 90Jul 30, 91[G01L]
4986280 Hand position/measurement control systemExpiredJul 20, 88Jan 22, 91[A61B]
4969934 Method for improved gas-solids separationExpiredAug 04, 89Nov 13, 90[B01D]
4911621 Scroll fluid device using flexible toothed ring synchronizerExpiredJun 20, 88Mar 27, 90[F16D, F01C]
4892469 Compact scroll-type fluid compressor with swing-link driving meansExpiredApr 03, 81Jan 09, 90[F04C]
4816414 Methods and apparatus for detecting an analyte of interest capable of being converted into a carbonyl-containing compositionExpiredOct 02, 87Mar 28, 89[G01N]
4727024 Binding assays involving formation and detection of light scattering crystalsExpiredMay 12, 86Feb 23, 88[G01N]
4721420 Pipeline transportation of coarse coal-liquid carbon dioxide slurryExpiredSep 03, 85Jan 26, 88[F17C]

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