Thomson Saginaw Ball Screw Company, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16H GEARING199

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5622082 Ball nut and screw assemblies with improved crossoversAug 22, 95Apr 22, 97[F16H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5615467 Broaching device and methodExpiredSep 05, 95Apr 01, 97[B23D]
5560251 Ball nut and screw assembly with an improved ball nut connector system and method of securing the ball nut of the assembly in operating positionExpiredJul 06, 94Oct 01, 96[F16H]
5555770 Ball screw and nut systemExpiredOct 12, 94Sep 17, 96[F16H]
5501118 Ball nut and screw assembly with preload retaining ball return tube clampExpiredDec 05, 94Mar 26, 96[F16H]
5492030 Methods of making ball nuts for preloaded ball nut and screw assembliesExpiredJan 26, 94Feb 20, 96[F16H]
5485760 Ball nut and screw assemblies and methods of attaching extensions or housings to the ball nuts thereofExpiredMay 10, 94Jan 23, 96[F16H]
5467661 Ball nut and screw assembly with backdrive controlExpiredApr 25, 94Nov 21, 95[F16H]
5287762 Recirculating ball nut and shaft assemblyExpiredFeb 24, 93Feb 22, 94[F16H]
5199169 Methods of making recirculating ball nut and splined shaft and screw assembliesExpiredDec 23, 91Apr 06, 93[F16C]
5193409 Multiple circuit internal ball nut return assembly with radial drop-in insert for ball screw devicesExpiredMar 31, 92Mar 16, 93[F16H]
4905533 Seal and scraper assembly for ball bearing screws and the likeExpiredDec 27, 88Mar 06, 90[F16H]
4859394 Method of molding a one piece plastic ball nutExpiredMay 26, 87Aug 22, 89[B29C, B29D]
4643041 Preloaded ball nut and screw assembly and method of manufactureExpiredDec 20, 85Feb 17, 87[F16H]
4407511 Seal and scraper assemblyExpiredJul 24, 81Oct 04, 83[F16K, E21B, F16J]
4342235 Ball nut with internal crossover for ball recirculationExpiredDec 10, 80Aug 03, 82[F16H]
4295384 Ball nut and screw assembly with travel limit stopExpiredSep 13, 79Oct 20, 81[F16H]
4272476 Manufacture of ball nut with internal crossover path for ball recirculationExpiredNov 07, 79Jun 09, 81[B29C]
4211125 Plural lead ball nut screw actuatorExpiredJun 08, 78Jul 08, 80[F16H]

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