Watlow/Winona, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G12B DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR16

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5521850 Method and apparatus for calibration and controlling multiple heatersJan 18, 94May 28, 96[G12B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5602363 Din rail mounted enclosureExpiredSep 07, 93Feb 11, 97[H02G]
5552998 Method and apparatus for calibration and controlling multiple heatersExpiredMar 17, 95Sep 03, 96[G12B]
5280422 Method and apparatus for calibrating and controlling multiple heatersExpiredNov 05, 90Jan 18, 94[H05B, G05B]
5059397 Gas detector systemExpiredFeb 15, 89Oct 22, 91[G01N]
5003430 Controller with snap-on relay moduleExpiredSep 16, 88Mar 26, 91[H05K]
D312581 Relay controlExpiredMay 05, 88Dec 04, 90[]
4736091 Integral sensor controller for an electrical heaterExpiredSep 10, 86Apr 05, 88[A05B]

Top Inventors for This Owner

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