TUTHILL CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
1502 PUMPS AND COMPRESSORS611
 
 
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 458
 
 
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 443
 
 
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 227
 
 
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 222
 
 
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING271
 
 
 
1004 OTHER MEASURING INSTRUMENTS, APPARATUS AND DEVICES234
 
 
 
2301 FLUID DISTRIBUTION EQUIPMENT248
 
 
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132
 
 
 
H02K DYNAMO-ELECTRIC MACHINES 1106

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D812504 Turbine meterOct 21, 16Mar 13, 18[1004]
9605673 Pump with pivoted vanesOct 16, 14Mar 28, 17[F04C, F03C, F01C]
9028224 Air operated double diaphragm pumpSep 23, 11May 12, 15[F16K, F04B]
D725153 Portable fuel pump designOct 17, 13Mar 24, 15[1502]
8764424 Screw pump with field refurbishment provisionsMay 16, 11Jul 01, 14[F03C, F01C]
D684998 Fuel transfer pumpJul 10, 12Jun 25, 13[1502]
D684664 Fuel nozzleJun 15, 12Jun 18, 13[2301]
D680133 Pump assemblyNov 23, 11Apr 16, 13[1502]
D675231 Double diaphragm pump assemblyJul 18, 12Jan 29, 13[1502]
D674815 Double diaphragm pump assemblyJul 18, 12Jan 22, 13[1502]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0271,275 Variable Stroke Length Electrically Operated Diaphragm PumpAbandonedMar 12, 14Sep 18, 14[F04B]
2014/0271,276 VARIABLE STROKE LENGTH ELECTRICALLY OPERATED DIAPHRAGM PUMPAbandonedMar 12, 14Sep 18, 14[F04B]
2012/0195,783 Noise and shock reduction in rotary positive displacement blowersAbandonedJan 24, 11Aug 02, 12[F01C]
2010/0296,956 VARIABLE DISPLACEMENT PUMPS AND VANE PUMP CONTROL SYSTEMSAbandonedMay 20, 10Nov 25, 10[F01C]
2009/0243,244 Suspension system with axle adjustmentAbandonedMar 25, 09Oct 01, 09[B60G]
2009/0243,246 Suspension system with enhanced stabilityAbandonedMar 25, 09Oct 01, 09[B60G, B62D]
2009/0072,505 Vehicle suspension with trailing arm and axle assembly and methodAbandonedSep 13, 07Mar 19, 09[B60G]
6759969 Fiberoptic transceiver systemExpiredJun 01, 01Jul 06, 04[G01F]
6712403 Flange connectorExpiredMar 27, 02Mar 30, 04[F16L]
6644947 Wave tooth gears using identical non-circular conjugating pitch curvesExpiredMar 14, 02Nov 11, 03[F04C, F16H, G01F]
6581458 Precalibrated flow meter with airflow compensatorExpiredJun 18, 01Jun 24, 03[G01F]
6474132 Precalibrated flow meterExpiredJul 30, 98Nov 05, 02[G01P]
2002/0139,867 Volumetric inductor/eductorAbandonedMar 21, 02Oct 03, 02[B05B]
6409192 Slider pin release mechanism for a semi-trailerExpiredAug 09, 00Jun 25, 02[B60G]
6368086 Universal pump bracketExpiredJan 22, 01Apr 09, 02[F01C]
6270324 Positive displacement pump and thrust bearing assemblyExpiredOct 26, 99Aug 07, 01[F04B]
6158994 Grooved rotor for an internal gear pumpExpiredApr 21, 99Dec 12, 00[F01C]
6126047 Dispensing nozzleExpiredAug 06, 99Oct 03, 00[B67D]
6046509 Steam turbine-driven electric generatorExpiredAug 27, 98Apr 04, 00[F01D]
5799985 Tube testing connectorExpiredAug 13, 96Sep 01, 98[F16L]

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Top Inventors for This Owner

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