BTR INDUSTRIES LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B60C VEHICLE TYRES 149
 
  
 
B60G VEHICLE SUSPENSION ARRANGEMENTS 150
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 190

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D449972 Elastomeric mountingDec 29, 99Nov 06, 01[0805]
5467595 Valve meansMar 11, 94Nov 21, 95[F16D]
5466007 Vehicle suspension systemMar 11, 94Nov 14, 95[B60G]
RE30518 Pneumatic tire wear indicating tread patternMar 02, 79Feb 17, 81[B60C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6276674 Reinforced elastomeric springExpiredAug 11, 99Aug 21, 01[F16F]
6189903 Vehicle suspension gas supply systemExpiredNov 19, 98Feb 20, 01[B60G]
5762324 Elastomeric mountingExpiredAug 13, 96Jun 09, 98[B60G]
5518227 Elastomeric mountingExpiredJun 21, 94May 21, 96[B61F, F16F]
5297874 Elastomeric bearingExpiredNov 04, 92Mar 29, 94[F16M, F16C, F16F, B64C]
5255424 Manufacture of a heavy duty elastomeric bearingExpiredJul 24, 91Oct 26, 93[B32B]
5074535 Elastomeric mountingExpiredDec 27, 88Dec 24, 91[F16F]
5036912 Heat exchangerExpiredMar 29, 90Aug 06, 91[F28F]
4995598 Resilient mountingExpiredMar 29, 89Feb 26, 91[F16F]
4892444 Resilient unitExpiredFeb 17, 88Jan 09, 90[E02D]
4889638 Agitation and/or gas separation and dispersed gas flotationExpiredAug 12, 88Dec 26, 89[B01D]
4781365 Hollow elastomeric springExpiredFeb 02, 87Nov 01, 88[B60G]
4747440 Pneumatic tire and wheel rim assembliesExpiredApr 21, 83May 31, 88[B60C]
4733722 Shell- and tube-type heat exchangers and their productionExpiredMay 19, 86Mar 29, 88[F28F]
D290827 Tire for a vehicle wheelExpiredJun 20, 84Jul 14, 87[]
D286274 Tire for a vehicle wheelExpiredDec 08, 83Oct 21, 86[]
4614455 Flexible joints or bearingsExpiredApr 29, 85Sep 30, 86[F16C]
D284179 Tire for a vehicle wheelExpiredFeb 28, 84Jun 10, 86[]
D279363 Tire for a vehicle wheelExpiredNov 10, 82Jun 25, 85[]
D277091 Tire for a vehicle wheelExpiredJul 19, 82Jan 08, 85[]

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