GRINNELL LLC

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A62C FIRE-FIGHTING 1513
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 460
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING271
 
  
 
B01D SEPARATION 1133

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7814983 Dry pipe valve for fire protection sprinkler systemJan 07, 08Oct 19, 10[A62C]
7322423 Dry pipe valve for fire protection sprinkler systemDec 22, 05Jan 29, 08[A62C]
7104333 Dry pipe valve for fire protection sprinkler systemNov 19, 03Sep 12, 06[A62C]
6810963 Dry pipe valve for fire protection sprinkler systemMar 20, 03Nov 02, 04[A62C]
6726119 Upright fire protection nozzleMay 22, 01Apr 27, 04[A62C]
6557645 Dry pipe valve for fire protection sprinkler systemJun 13, 00May 06, 03[A62C]
6454017 Upright fire protection nozzleJun 26, 00Sep 24, 02[A62C]
6357467 Automatic water supply shutoff valveMar 27, 00Mar 19, 02[F16K]
6318564 StrainerFeb 04, 00Nov 20, 01[B01D]
6308784 Flush sprinklerMar 07, 00Oct 30, 01[A62C]

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Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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