Rule Industries, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 359
 
  
 
F03B MACHINES OR ENGINES FOR LIQUIDS 123
 
  
 
G01C MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 1104

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6665944 Magnetic marine compassSep 05, 02Dec 23, 03[G01C]
6471473 Marine in bilge blowerOct 17, 00Oct 29, 02[F03B]
6390780 Pump and controller system and methodSep 24, 98May 21, 02[F04B]
D435467 Directional compassFeb 04, 00Dec 26, 00[1004]
6045340 Locking mechanism for a removable live well pumpOct 10, 97Apr 04, 00[F04B]
5324170 Pump control apparatus and methodJun 03, 93Jun 28, 94[F04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7194814 Self-balancing, no-spin magnet compassExpiredMay 24, 04Mar 27, 07[G01C]
2006/0081,520 Pump and strainer for a pool coverAbandonedOct 15, 04Apr 20, 06[B01D]
6276908 Latching mechanism for use with pumps used in marine environmentsExpiredMar 08, 00Aug 21, 01[F04B]
5814780 Pivotable float switch within a housingExpiredSep 25, 96Sep 29, 98[H01H]
5549456 Automatic pump control system with variable test cycle initiation frequencyExpiredJul 27, 94Aug 27, 96[F04B]
5545012 Soft-start pump control systemExpiredJan 27, 94Aug 13, 96[F04B]
5469631 Air bubble free compass and method of manufacturing sameExpiredNov 04, 94Nov 28, 95[G01C]
5076763 Pump control responsive to timer, delay circuit and motor currentExpiredOct 01, 90Dec 31, 91[F04B]
5003910 AnchorExpiredSep 11, 89Apr 02, 91[B63B]
5002259 Power winch systemExpiredDec 22, 87Mar 26, 91[B66D]
4970983 Multitone hornExpiredSep 28, 88Nov 20, 90[G10K]
D308646 Carbon monoxide detectorExpiredJan 08, 87Jun 19, 90[]
4930224 Magnetic compassExpiredAug 12, 88Jun 05, 90[C01C]
4860223 Carbon monoxide health hazard monitorExpiredSep 24, 87Aug 22, 89[G06F]
4827863 Plow anchor for marine useExpiredSep 08, 87May 09, 89[B03B]
D297127 CompassExpiredSep 10, 85Aug 09, 88[]
4744208 Rake headExpiredDec 24, 86May 17, 88[A01D]
4656751 Magnetic compassExpiredSep 10, 85Apr 14, 87[G01C]
4644512 Sonar depth finder with relative depth LCD displayExpiredFeb 16, 84Feb 17, 87[G01S]
D286384 Depth sounderExpiredAug 15, 84Oct 28, 86[]

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