PORTER INTERNATIONAL, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D05B SEWING 1012

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5927221 Method and apparatus for join and sew applicationDec 17, 96Jul 27, 99[D05B]
5782190 Apparatus for assembly of pillow-top mattress coversMay 08, 96Jul 21, 98[D05B]
5738029 Method and apparatus for sewing handles on side panels on a box springMar 21, 96Apr 14, 98[D05B]
5678502 Variable walking foot apparatus for a sewing machine for mattressesMar 20, 96Oct 21, 97[D05B]
5664508 Method and apparatus for forming the side panel of a mattress sackMar 21, 96Sep 09, 97[D05B]
5586511 Method and apparatus for assembly of pillow-top mattress coversJun 07, 95Dec 24, 96[D05B]
5526761 Method and apparatus for closing mattressesMar 17, 94Jun 18, 96[D05B]
5520129 Method and apparatus for join and sew applicationMar 17, 94May 28, 96[D05B]
5501164 Apparatus for assembly of pillow-top mattress coversApr 14, 95Mar 26, 96[D05B]
5309854 High lift sewing machineAug 19, 92May 10, 94[D05B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5097777 Method and apparatus for preloading material to be sewn into a sewing machine and for compensating for uneven lengths of such materialsExpiredFeb 20, 90Mar 24, 92[D05B]
5020460 Method and apparatus for aligning a fabric ply in a sewing machineExpiredMay 01, 89Jun 04, 91[D05B]
4825787 Method and apparatus for guiding fabric to a sewing machineExpiredMay 20, 87May 02, 89[D05B]
4730566 Automatic pocket label stitcherExpiredSep 18, 84Mar 15, 88[D05B]
4546716 Double overlock seamerExpiredJul 30, 84Oct 15, 85[D05B]
4449464 Walking foot feed for sewing machinesExpiredOct 04, 82May 22, 84[D05B]
4448140 Recessed top feed for sewing machinesExpiredOct 05, 82May 15, 84[D05B]
4241681 Tubular work feeder for sewing machineExpiredJun 21, 79Dec 30, 80[D05B]

Top Inventors for This Owner

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