HUTCHINS MANUFACTURING COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 1056
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 227
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 123

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8758095 Abrading or polishing tool with improved motor chamberMay 12, 11Jun 24, 14[B24B]
7997959 Pneumatic tool having a rotor with a wear-resistant vane slotFeb 17, 09Aug 16, 11[B24B]
7662027 Rotor with wear-resistant core for a power abrading or polishing toolSep 26, 07Feb 16, 10[B24B]
6974370 Spindle lock for an orbital abrading or polishing toolMay 14, 04Dec 13, 05[B24B]
6485360 Orbital sanding toolJul 20, 00Nov 26, 02[B24B]
D438771 Orbital sanding or polishing toolJul 20, 99Mar 13, 01[0801]
6007412 Rotary abrading or polishing toolJan 30, 98Dec 28, 99[B24B]
5735679 Device having porous rotor of sintered metal containing polytetrafluoroethyleneDec 12, 95Apr 07, 98[F01C]
5597348 Water feed for sanding toolNov 29, 94Jan 28, 97[B24B]
5582541 Abrading tool with water feed and removal systemAug 24, 95Dec 10, 96[B24B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0160,887 ABRASIVE FINISHING TOOL HAVING A ROTARY PNEUMATIC MOTORAbandonedDec 20, 07Jul 03, 08[B24B]
2008/0160,888 ROTOR AND ROTOR HOUSING FOR PNEUMATIC ABRADING OR POLISHING TOOLAbandonedDec 20, 07Jul 03, 08[B24B]
5085012 Reciprocating abrading or polishing tool with improved suction systemExpiredSep 21, 90Feb 04, 92[B24B]
5022190 Wet sanding toolExpiredAug 30, 90Jun 11, 91[B24B]
5001869 Reciprocating abrading or polishing tool with balancing counterweightsExpiredJun 14, 90Mar 26, 91[B24B]
4986036 Abrading or polishing toolExpiredMar 03, 90Jan 22, 91[B24B]
4839995 Abrading toolExpiredMay 02, 88Jun 20, 89[B24B]
4671019 Portable power operated sanderExpiredFeb 18, 86Jun 09, 87[B24B]
4671020 Power sander with pad containing air-flow passagesExpiredJun 23, 86Jun 09, 87[B24B]
4660329 Powered abrading toolExpiredOct 20, 80Apr 28, 87[B24B]
4592170 Orbital abrading or polishing toolExpiredAug 17, 84Jun 03, 86[B24B]
D269845 Abrading toolExpiredOct 22, 80Jul 26, 83[D080]
4297114 Vacuum cleaner having bag cleaning apparatusExpiredOct 09, 79Oct 27, 81[B01D]
4228620 Abrading tool with wear plateExpiredFeb 14, 79Oct 21, 80[B24B]
D256881 Portable powered sanderExpiredJan 24, 78Sep 16, 80[D150, D080]

Top Inventors for This Owner

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