GRINNELL CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B65C LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES 119
 
  
 
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
8713092 Method and system for distributing load by redirecting trafficFeb 10, 09Apr 29, 14[G06F]
6013150 Article tagging apparatus and methodDec 02, 97Jan 11, 00[B65C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5860633 Valve sealExpiredOct 28, 96Jan 19, 99[F16K, F15J]
5709240 Check valve and backflow preventerExpiredAug 07, 96Jan 20, 98[F16K]
5667265 Releasable carrying handle for bottlesExpiredApr 25, 96Sep 16, 97[B65G, B65D]
5659575 Method and apparatus for improving data regeneration in asynchronous network communicationExpiredApr 28, 95Aug 19, 97[H04B]
5533576 Automatic on-off fire protection sprinklerExpiredAug 01, 94Jul 09, 96[A62C]
5372203 Concealed sprinkler headExpiredApr 30, 93Dec 13, 94[A62C]
5365785 Submersible meter register case and assemblyExpiredAug 12, 92Nov 22, 94[G01F]
D348017 Water meter register and housingExpiredFeb 09, 93Jun 21, 94[]
D348018 Water meter, register and housingExpiredMar 17, 93Jun 21, 94[]
5219427 Clevis pipe hangerExpiredApr 29, 92Jun 15, 93[E21F]
5152344 Fire protection sprinklerExpiredMar 25, 91Oct 06, 92[A62C]
5072792 Concealed sprinkler head assemblyExpiredApr 13, 89Dec 17, 91[A62C]
4987957 Deflector for side wall sprinkler headExpiredOct 27, 89Jan 29, 91[A62C]
4977963 Partially concealed fast response sprinkler headExpiredApr 10, 89Dec 18, 90[A62C]
4945948 Sight flow indicatorExpiredNov 07, 89Aug 07, 90[F16K, G01F]
4901799 Sprinkler head having protuberant ridge valve seatExpiredJun 24, 88Feb 20, 90[A62C]
4893679 Heat-responsive element for fire protection sprinklers or the likeExpiredMar 01, 88Jan 16, 90[A62C]
4861075 Coupling for rigidly connecting pipe sectionsExpiredJun 20, 88Aug 29, 89[F16L]
4757865 Fast response sprinkler headExpiredNov 19, 86Jul 19, 88[A62C]
D290992 Faucet spoutExpiredDec 02, 85Jul 21, 87[]

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