KOCH ENGINEERING COMPANY, INC.
Patent Owner
Stats
- 12 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- May 20, 2003 most recent publication
Details
- 12 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1,862 Total Citation Count
- Mar 21, 1977 Earliest Filing
- 83 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5632933 Method and apparatus using guide vanes for vapor distribution in mass transfer and heat exchange columnsFeb 12, 96May 27, 97[B01F]
5632935 Vapor-liquid contact tray and downcomer assembly and method employing sameDec 28, 95May 27, 97[B01F]
5605654 Method and apparatus to improve vapor distribution in mass transfer and heat exchange columnsFeb 21, 96Feb 25, 97[B01F]
5480595 Vapor-liquid contact tray and downcomer assembly and method employing sameApr 28, 94Jan 02, 96[B01F]
5464573 Liquid collector-distributor with integral exchange column and methodMay 09, 94Nov 07, 95[B01F]
5344307 Methods and apparatus for burning fuel with low No.sub.x formationAug 25, 93Sep 06, 94[F23M]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5755569 Media for heat exchange columns in regenerative thermal oxidizersExpiredFeb 06, 97May 26, 98[F27D]
5565361 Bioreactor for culturing and propagating cells with a woven motionless mixing elementExpiredMay 31, 95Oct 15, 96[C12M]
5516465 Method and apparatus for vapor distribution in mass transfer and heat exchange columnsExpiredFeb 14, 94May 14, 96[B01F]
5496446 Internals for distillation columns including those for use in catalytic reactionsExpiredOct 13, 93Mar 05, 96[B01J, B01D]
5476783 Bioreactor method of culturing and propagating cells with a woven motionless mixing elementExpiredAug 31, 93Dec 19, 95[C12N, C12M]
5454913 Internals for distillation columns including those for use in catalytic reactionsExpiredOct 16, 92Oct 03, 95[B01D]
5275790 Structure and method for catalytically reacting fluid streams in mass transfer apparatusExpiredSep 30, 92Jan 04, 94[B01J]
5250234 Liquid distributor apparatus and method for high viscosity liquidsExpiredOct 08, 92Oct 05, 93[B01F]
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