Hays Fluid Controls, a division of Romac Industries, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING370
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 381

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7353843 Sequencing valve and hydronic systemAug 31, 05Apr 08, 08[F16K]
6983764 Sequencing valve and hydronic systemApr 03, 03Jan 10, 06[F16K]
6789567 Bi-directional constant flow deviceNov 12, 02Sep 14, 04[F16K, G05D]
6390122 Fluid flow control valve and orifice thereforOct 11, 00May 21, 02[G05D]
6311712 Fluid flow control valve systemOct 11, 00Nov 06, 01[G05D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6595235 Two-way orifice seatExpiredJan 31, 03Jul 22, 03[F16K, G05D]

Top Inventors for This Owner

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