Sigma Tool & Machine, A Partnership Between Sigma Tool & Machine Ltd. And Sigma Fasteners, Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 296
 
  
 
A47C CHAIRS 152
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 139
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5762190 Tee-nut holder stripFeb 03, 97Jun 09, 98[B65D]
5722131 Clip for furniture springs, and method of manufactureJul 25, 95Mar 03, 98[A47C]
5327645 Tee-nut fastener feed means for tee-nut fastener setting apparatusApr 09, 93Jul 12, 94[B23Q]
5323531 Self-punching tee-nut insertion machineDec 24, 92Jun 28, 94[B23P]
5299686 Rolled strip of tee-nut fasteners for tee-nut fastener setting apparatusApr 09, 93Apr 05, 94[B65H, B65D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8181712 Nose piece for inserting fixing elements into predefined seatsExpiredFeb 20, 09May 22, 12[B25C]
7575143 Method of using a pneumatic hand tool for inserting fixing elementsExpiredSep 13, 07Aug 18, 09[B21D]
7571844 Pneumatic hand tool for inserting t-nutsExpiredJan 26, 06Aug 11, 09[B25C]
2007/0114,259 Multi-blow pneumatic hand tool for inserting t-nutsAbandonedNov 23, 05May 24, 07[B25C]
6317970 Clip crimping toolExpiredApr 28, 00Nov 20, 01[B23Q, B23P]
6305888 T-nut with indented leading and trailing edge flangesExpiredJun 07, 00Oct 23, 01[F16B]
6209722 Tee-nut strip with edge membranesExpiredApr 30, 99Apr 03, 01[B65D]
6183181 Sealed end tee-nutExpiredOct 27, 99Feb 06, 01[F16B]
6129493 Tee-nut with globular shaped sleeveExpiredOct 26, 99Oct 10, 00[F16B]
5918738 Tee-nut strip with edge membranesExpiredNov 12, 98Jul 06, 99[B65D]
5909993 Chipped nail welded wire nailing strip and methodExpiredNov 12, 97Jun 08, 99[F16B]
5863164 Tee-nut with radiussed barrel endExpiredJan 23, 98Jan 26, 99[F16B]
5618144 Tee-nut with enlarged barrel endExpiredSep 11, 95Apr 08, 97[F16B]
5606794 Variable impact tee-nut insertion machineExpiredJul 06, 95Mar 04, 97[B23P]
5560099 Tee-nut setting and forming machineExpiredJul 20, 94Oct 01, 96[B23P]
5501558 Anti-friction Tee-nut with deflected edgesExpiredAug 25, 94Mar 26, 96[F16B]
5478002 Magnetic tee-nut holderExpiredJun 17, 94Dec 26, 95[B23P]
4711980 Nail collator and welderExpiredFeb 18, 86Dec 08, 87[B23K, B65G, B65B]
4508478 Tee nut fastener memberExpiredJul 11, 83Apr 02, 85[F16B]
4472956 Apparatus for feeding elongated objectsExpiredJun 28, 82Sep 25, 84[B21K, B21G, B21H]

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