CAMPBELL ERS LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E01C CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR 425
 
  
 
E03F SEWERS; CESSPOOLS210
 
  
 
E01D BRIDGES 114
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 148
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8940160 Recessed restrictor plateNov 14, 11Jan 27, 15[E03F]
8657524 Adjustable recessed restrictor plate assemblyJun 13, 12Feb 25, 14[E03F]
8522408 Catch basin clamp systemJul 07, 09Sep 03, 13[E01F, F16B]
8523477 Press-fit restrictor plateJun 14, 12Sep 03, 13[E01C]
8235624 Restrictor plate with securing systemJul 29, 11Aug 07, 12[E01C]
7993072 Restrictor plate with securing systemNov 02, 09Aug 09, 11[E01C]
7765298 Impersonation in an access systemNov 16, 06Jul 27, 10[G06F]
7611304 Catch basin curb inlet coverOct 31, 06Nov 03, 09[E01D]
7128495 Curb box cover assemblyOct 19, 05Oct 31, 06[E01C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0294,676 RESTRICTOR PLATE WITH SECURING SYSTEMAbandonedAug 06, 12Nov 22, 12[E01C]
2012/0068,135 GRATE WALLAbandonedSep 16, 11Mar 22, 12[E04H]
2012/0049,142 GUARDRAIL TRASH SCREEN ASSEMBLYAbandonedApr 14, 11Mar 01, 12[E01F, F16B, A47G]
4475585 Air conditioning and heat pump cabinets with removable coil guardsExpiredJun 11, 81Oct 09, 84[F28F]

Top Inventors for This Owner

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