Imperial Clevite Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE30940 Flaring toolJan 16, 80May 25, 82[B21D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4734967 Method of heat treating bearing materialsExpiredJun 02, 86Apr 05, 88[B22F]
4712411 Apparatus for making a forged metal articleExpiredMay 15, 86Dec 15, 87[B21K, B21D]
4685706 Releasable push-to-connect tube fittingExpiredDec 31, 85Aug 11, 87[F16L]
4665942 Hydraulic pressure fuseExpiredApr 09, 86May 19, 87[F16K]
4664148 Quick disconnect coupling with a lockable valve actuatorExpiredFeb 03, 86May 12, 87[F16L]
4648910 Method of bonding a high temperature resistant polymeric material to an aluminum base substrate and article therefromExpiredAug 21, 85Mar 10, 87[C23C]
4644789 Liquid level indicator systemExpiredDec 20, 85Feb 24, 87[H01L, G01F]
4624860 Method of applying a coating to a metal substrate using brazing material and fluxExpiredOct 15, 85Nov 25, 86[B05D]
4621842 Releasable push-to-connect tube fittingExpiredMar 04, 85Nov 11, 86[F16L]
4611632 Hydraulic solenoid valve structureExpiredMay 06, 85Sep 16, 86[F16K, F15B]
4598896 Quick disconnect couplingExpiredAug 16, 85Jul 08, 86[F16L]
4595218 Insulative couplingExpiredAug 04, 83Jun 17, 86[F16L]
4586977 Method of bonding a high temperature resistant polymeric material to an aluminum base substrateExpiredApr 03, 84May 06, 86[C23C, C09J, B05D]
4587177 Cast metal composite articleExpiredApr 04, 85May 06, 86[B22D]
4577842 Self-stabilizing dry viscous spring damperExpiredMay 17, 84Mar 25, 86[F16F]
4560150 Dry viscous spring strutExpiredNov 25, 83Dec 24, 85[F16F]
4556242 Vibration resistant high pressure tube fittingExpiredNov 25, 83Dec 03, 85[F16L]
4555098 Self-stabilizing dry viscous spring damperExpiredNov 25, 83Nov 26, 85[F16F]
4555294 Inorganic composition adapted for use in bonding a high temperature resistant polymeric material to an aluminum base substrateExpiredApr 03, 84Nov 26, 85[B32B]
4544128 Cartridge solenoid valve with manual overrideExpiredFeb 24, 83Oct 01, 85[F16K]

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