The Hilliard Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 1477
 
  
 
F16H GEARING892
 
  
 
B60K ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES 291
 
  
 
B01D SEPARATION 1133
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 165
 
  
 
B60T VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL 172
 
  
 
B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT 173

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0268,584 BI-DIRECTIONAL OVERRUNNING CLUTCH WITH OUTER SPRING FOR A DRIVE AXLEMar 16, 16Sep 21, 17[F16D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9856930 Bi-directional overrunning clutch with outer spring for a drive axleMar 16, 16Jan 02, 18[B60K, B62D, F16D]
9360059 Twin ratio differential with bi-directional overrunning clutchOct 28, 14Jun 07, 16[B60K, F16D, F16H]
9278422 System for dressing a centrifugal clutchFeb 07, 14Mar 08, 16[B24B, B24D]
9272620 True four wheel drive system for vehicleJul 31, 13Mar 01, 16[B60K, F16H]
9022195 Bi-directional overrunning clutch having split roll cage and drag mechanismMar 15, 13May 05, 15[F16D, F16H]
8919513 Bi-directional overrunning clutch having split roll cageNov 03, 11Dec 30, 14[F16D]
8857294 Engagement control assembly for a bi-directional overrunning clutchDec 15, 10Oct 14, 14[F16D]
8857589 Friction disk mechanism for bi-directional overrunning clutchNov 29, 11Oct 14, 14[F16D]
8857594 Friction drive clutch having ramped membersJul 30, 12Oct 14, 14[F16D]
8840514 Bi-directional overrunning clutch with improved indexing mechanismMar 12, 14Sep 23, 14[B60W, F16H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0024,882 Driven Clutch with Engine Braking for a Continuously Variable TransmissionAbandonedJul 22, 13Jan 22, 15[F16H]
2014/0338,293 Self-Cleaning Duplex FilterAbandonedJun 14, 13Nov 20, 14[B01D]
2006/0266,611 Spring assembly for an overrunning clutchAbandonedMay 24, 05Nov 30, 06[F16D]
6286631 Actuating lever for a wheelbarrow brakeExpiredOct 27, 00Sep 11, 01[B62B]
5088895 Vacuum pumping apparatusExpiredSep 04, 90Feb 18, 92[F04B]
5036939 Multiple axle drive vehicle with overrunning roller clutch hubsExpiredAug 09, 89Aug 06, 91[B60K]
4469598 Filter deviceExpiredDec 09, 82Sep 04, 84[B01D]
4355659 Rotary plug valveExpiredJan 08, 81Oct 26, 82[F16K]
4198832 Flexible drive couplingExpiredMay 09, 78Apr 22, 80[F16D]

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