NEENAH FOUNDRY COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 815
 
  
 
E01F ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE317
 
  
 
2301 FLUID DISTRIBUTION EQUIPMENT347
 
  
 
2503 HOUSES, GARAGES AND OTHER BUILDINGS311
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 296
 
  
 
E01C CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR 128
 
  
 
E02B HYDRAULIC ENGINEERING 117
 
  
 
E06B FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES 144
 
  
 
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
 
  
 
1005 INSTRUMENTS, APPARATUS AND DEVICES FOR CHECKING, SECURITY OR TESTING120

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9915052 Manhole cover assemblySep 16, 16Mar 13, 18[E02D]
9909275 Manhole cover assemblySep 16, 16Mar 06, 18[E02D]
9863115 Controlled pressure release manhole cover assemblyAug 20, 15Jan 09, 18[E02D]
9416516 Pressure responsive locking latch arrangement for manhole coversFeb 19, 15Aug 16, 16[E02D]
8794865 Bollard assemblyJul 23, 07Aug 05, 14[E01F]
D687970 Integrated frame and curb boxDec 28, 12Aug 13, 13[2503]
D687971 Integrated frame and curb boxDec 28, 12Aug 13, 13[2503]
D682444 Frame and curb boxAug 14, 12May 14, 13[2301]
D682445 Frame and curb boxAug 14, 12May 14, 13[2301]
D673690 Frame and curb boxJan 10, 12Jan 01, 13[2503]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0311,956 GRATING SYSTEMS INCORPORATING DECORATIVE ARTICLESAbandonedJun 07, 11Dec 13, 12[B23P, E04C]
5443327 Method and apparatus for forming a lined trenchExpiredFeb 15, 94Aug 22, 95[E02B]

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