FORSHEDA AB

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS248
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION158

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5649712 Device for sealing an annular space having opposing flanges, a support bead, and sealing lipSep 30, 96Jul 22, 97[F16J]
5507504 Sealing device with c-shaped lips and central projectionJan 24, 95Apr 16, 96[F16J]
5180147 Vibration damperFeb 26, 91Jan 19, 93[F16F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6193238 Sealing deviceExpiredApr 30, 98Feb 27, 01[F16J]
6089618 Sealing device for pipesExpiredMar 23, 98Jul 18, 00[F16L]
6076834 Sealing elementExpiredJul 30, 98Jun 20, 00[F16L, F16J]
5975585 Pipe coupling deviceExpiredOct 22, 97Nov 02, 99[F16L]
5967527 Sealing assembly for a moving mechanical member, in particular a rotary shaft of a hydraulic pumpExpiredNov 10, 97Oct 19, 99[F16J]
5944323 Sealing ringExpiredOct 01, 97Aug 31, 99[F16J]
5826887 Sealing deviceExpiredNov 27, 96Oct 27, 98[F16L]
5727794 Lip seal assemblyExpiredJun 07, 96Mar 17, 98[F16J]
5653935 Method for manufacturing a thermoplastic pipeExpiredMay 25, 95Aug 05, 97[B29C]
5599028 Seal between two elements, especially between concrete pipesExpiredSep 01, 93Feb 04, 97[F16J]
D374710 Sealing ringExpiredJul 12, 94Oct 15, 96[]
5417442 Sealing deviceExpiredOct 02, 92May 23, 95[F16J]
D351459 Sealing ringExpiredSep 10, 92Oct 11, 94[]
D347885 Sealing ring for sealing jointed pipesExpiredOct 15, 90Jun 14, 94[]
5280972 Pipe jointExpiredFeb 13, 92Jan 25, 94[F16L]
5186503 Device for connecting a thin-walled hose with a tubular elementExpiredApr 12, 91Feb 16, 93[F16L]
5172917 Sealing device for sealing an annular space between two machine elements which are rotatable in relation to each otherExpiredApr 29, 91Dec 22, 92[F16J]
D322120 Sealing ringExpiredOct 29, 90Dec 03, 91[]
5064207 Sealing ring for sealing a pipe jointExpiredDec 14, 90Nov 12, 91[F16L, F16J]
5057263 Method of forming a pipe socketExpiredAug 03, 89Oct 15, 91[F16L]

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