U.S. NATURAL RESOURCES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F26B DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 426
 
  
 
B27B SAWS; COMPONENTS OR ACCESSORIES THEREFOR 223
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 139
 
  
 
B27G ACCESSORY MACHINES OR APPARATUS; TOOLS 113
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 166
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5703960 Lumber defect scanning including multi-dimensional pattern recognitionSep 16, 96Dec 30, 97[G06K]
5501256 Chipper knifeJul 18, 94Mar 26, 96[B27G]
5452220 Automatic adjustment of veneer lathe nose bar height relative to knife during peelingMay 05, 94Sep 19, 95[G05B]
5368077 Zero lead planerSep 22, 93Nov 29, 94[B23Q]
5269076 Balanced draft vent system for kilnJan 27, 92Dec 14, 93[F26B]
5262956 Statistically compensated optimization systemJun 26, 91Nov 16, 93[B27B, G06F]
5252836 Reflective grain defect scanningJun 30, 92Oct 12, 93[G01N]
5249915 Dual independent hoist breakdown stationFeb 13, 92Oct 05, 93[B65G]
5226241 Weight driven kiln controlMay 18, 92Jul 13, 93[F26B]
5179789 Kiln with automatic control of heat distributionDec 30, 91Jan 19, 93[F26B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6102666 Sealed electrical connector assemblyExpiredDec 28, 98Aug 15, 00[F04B]
5765617 Infeed system for lumberExpiredDec 27, 96Jun 16, 98[B27B]
5676238 Hold down rollers for a log conveyorExpiredFeb 18, 97Oct 14, 97[B65G]
5623977 Chipper blade for chipper having radiused cutting edgeExpiredDec 11, 95Apr 29, 97[B27G]
5595000 No-vent dry kilnExpiredJan 17, 95Jan 21, 97[F26B]
D373571 Control panel for a room air conditionerExpiredJan 20, 95Sep 10, 96[]
D372463 Control panel for a room air conditionerExpiredJan 20, 95Aug 06, 96[]
D370206 Electronic control panel for a room air conditionerExpiredJan 20, 95May 28, 96[]
D368306 Room air conditionerExpiredJan 20, 95Mar 26, 96[]
5435361 Method and apparatus for around the curve sawingExpiredJun 14, 94Jul 25, 95[B27B]
5390778 Apparatus for even ending lumberExpiredJan 25, 94Feb 21, 95[B65G]
5363950 Lumber organizerExpiredNov 17, 93Nov 15, 94[B65G]
5320153 Method and apparatus for around the curve sawingExpiredSep 21, 92Jun 14, 94[B27B]
5232030 Cooperative conveyor system for canter and sawExpiredJun 09, 92Aug 03, 93[B27C, B27B]
5201354 Feed system with improved prepositioningExpiredDec 13, 91Apr 13, 93[B27C, B27B]
5148847 Method and apparatus for around the curve sawingExpiredOct 28, 91Sep 22, 92[B27B]
5138773 Drying kiln for lumber having insulationExpiredDec 05, 90Aug 18, 92[F26B]
D326514 Electronic air cleanerExpiredFeb 27, 90May 26, 92[]
5050314 Method for regulating drying kiln air flowExpiredSep 28, 89Sep 24, 91[F26B]
5034033 Modular electronic air cleaning deviceExpiredJul 13, 90Jul 23, 91[B03C]

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