BROOKFIELD ENGINEERING LABORATORIES, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0311,226 RHEOMETER WITH RADIANT HEATING OF SAMPLE FLUIDAbandonedMar 14, 14Oct 23, 14[G01N, B01L]
2013/0340,507 MEASURING VISCOSITY OF CERAMIC SLURRIESAbandonedJun 20, 12Dec 26, 13[G01N]
7207210 Multi-decade viscometric or rheologic measurements of a material undergoing state changeExpiredOct 08, 04Apr 24, 07[G01N]
6539779 Support system with radially rigid wire suspensionExpiredOct 31, 97Apr 01, 03[G01N]
5874666 Spindle quick-connect and rotary viscometerExpiredSep 19, 97Feb 23, 99[G01N]
5535619 Pressurized viscometerExpiredNov 17, 94Jul 16, 96[G01N]
5531102 Viscometer usable in situ in large reactor vesselsExpiredDec 14, 94Jul 02, 96[G01N]
5503003 Portable viscometerExpiredDec 14, 94Apr 02, 96[G01N]
5167143 Rheometer SystemExpiredAug 28, 90Dec 01, 92[G01N]
4678978 Quieting circuits for permanent magnet synchronous motorsExpiredJul 12, 85Jul 07, 87[H02K]

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