GAS RESEARCH INSTITUTE

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 8198
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2123
 
  
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 244
 
  
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 163
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR194
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 144
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
  
 
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS123

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7197403 Inferential determination of various properties of a gas mixtureDec 07, 04Mar 27, 07[G01N]
7107851 Processing data, for improved, accuracy, from device for measuring speed of sound in a gasJul 19, 04Sep 19, 06[G01N]
6969857 Compensated infrared absorption sensor for carbon dioxide and other infrared absorbing gasesJan 08, 04Nov 29, 05[G01N]
6946777 Polymer film composite transducerJan 08, 04Sep 20, 05[H01L]
6850847 Device for determining thermophysical properties of a multi-component gas at arbitrary temperature and pressureFeb 03, 04Feb 01, 05[G01N]
6823716 Device for precision measurement of speed of sound in a gasApr 03, 03Nov 30, 04[G01N]
6754592 Indirect measurement of nitrogen in a multi-component natural gas by heating the gasJun 12, 03Jun 22, 04[G01N]
6704660 System and method to determine thermophysical properties of a multi-component gas at arbitrary temperature and pressureSep 09, 02Mar 09, 04[G01N]
6258336 Method and apparatus for NOx reduction in flue gasesMar 26, 99Jul 10, 01[C01B]
6045358 Forced convection heating apparatus and process for heating glass sheets therewithinJul 13, 98Apr 04, 00[F27B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6994819 Method to locally reround plastic pipeExpiredSep 30, 03Feb 07, 06[B29C]
2005/0068,987 Highly configurable radar module linkAbandonedAug 17, 04Mar 31, 05[H04J]
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]
2002/0134,448 Locatable magnetic polyethylene gas pipe distribution systemAbandonedAug 30, 01Sep 26, 02[F16L]
5974874 Method for testing gas wells in low pressured gas formationsExpiredFeb 11, 97Nov 02, 99[E21B]
5875840 Multiple test cased hole formation tester with in-line perforation, sampling and hole resealing meansExpiredNov 13, 96Mar 02, 99[E21B]
5876677 Ultrasound-assisted liquid redox absorberExpiredApr 25, 96Mar 02, 99[B01D]
5868176 System for controlling the fill of compressed natural gas cylindersExpiredMay 27, 97Feb 09, 99[B65B]
5866089 Ultrasound-assisted liquid redox absorberExpiredAug 05, 97Feb 02, 99[C01B]
5862861 Plug apparatus suitable for sealing holes of variable or roughened diameterExpiredNov 14, 96Jan 26, 99[E21B]
5689248 Methods for reducing power consumption in remote sensing applicationsExpiredDec 15, 94Nov 18, 97[G01V]
5648613 Scan assembly and method for signal discriminationExpiredJul 03, 95Jul 15, 97[G01N]
5627328 Gas sampling system and methodExpiredDec 29, 95May 06, 97[G01N]
5621170 Method for testing gas wells in low pressured gas formationsExpiredMay 01, 95Apr 15, 97[E21B]
5616850 Emissions measuring system and methodExpiredDec 29, 95Apr 01, 97[G01N]
5611330 Induced draft fryerExpiredApr 05, 95Mar 18, 97[A47J]
5600610 Electrostatic transducer and method for manufacturing sameExpiredJan 31, 95Feb 04, 97[H04R]
5592092 Pipe proximity warning device for accidental damage prevention mounted on the bucket of a backhoeExpiredOct 28, 94Jan 07, 97[G01R, G01V]
5589073 System and method for removing asbestos and other solid particles from a slurryExpiredMay 05, 94Dec 31, 96[C02F]

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