Material Control, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E06C LADDERS 76
 
  
 
E04G SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS616
 
  
 
A47F SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS, OR THE LIKE; PAYING COUNTERS131
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 166
 
  
 
G21K TECHNIQUES FOR HANDLING PARTICLES OR ELECTROMAGNETIC RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA- OR X-RAY MICROSCOPES 145

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9435156 Dual track ladder with brake mechanism that is automatically applied to the upper tracks to hold the ladder in place during useDec 16, 13Sep 06, 16[E06C]
9206643 Leveling leg for a ladderMar 08, 13Dec 08, 15[E06C]
9051779 Dual track ladder for use with mobile shelvingNov 06, 12Jun 09, 15[E06C, E04G]
8882067 Guide track system and components thereofMay 05, 11Nov 11, 14[E06C, A47F]
8733502 Foldable dual track ladder systemMay 17, 12May 27, 14[E04G]
8622171 Dual track ladder with brake mechanism that is automatically applied to the upper tracks to hold the ladder in place during useJun 14, 10Jan 07, 14[E04G]
7757813 Dual track ladder with brake mechanism that is automatically applied to the upper tracks to hold the ladder in place during useJun 09, 08Jul 20, 10[E04G]
6964331 Cantilever mounted rotary brush conveyor belt cleanerJul 06, 04Nov 15, 05[B65G]
6619427 Foldable dual track ladderApr 09, 02Sep 16, 03[E04G]
6305496 Safety mobile ladder standMar 06, 00Oct 23, 01[E04G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5082086 Wheeled ladderExpiredDec 05, 90Jan 21, 92[E06C]
5080192 Ladder with warning gateExpiredDec 05, 90Jan 14, 92[E06C]
4535883 Shock mount telescoping conveyor belt cleanerExpiredJan 24, 84Aug 20, 85[B65G]
4533035 Conveyor belt cleanerExpiredJan 04, 84Aug 06, 85[B65G]
4533037 Telescoping conveyor belt cleanerExpiredOct 11, 84Aug 06, 85[B65G]
4462523 Damaged conveyor belt detectorExpiredSep 29, 82Jul 31, 84[B65G]
4416020 Size sensing X-ray cassette tray for X-ray equipmentExpiredNov 04, 81Nov 15, 83[G03B]
4399510 System for monitoring utility usageExpiredApr 06, 81Aug 16, 83[G06F, G01R]
4261037 System for monitoring utility usageExpiredApr 03, 79Apr 07, 81[G06F, G01R]
4211966 Level control sensor switch mechanismExpiredDec 27, 78Jul 08, 80[H01H]

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