Assignee
CHICAGO PNEUMATIC TOOL CO
99 granted patents·2,600 citations·filing 1974–2006
Top patents by PatentIndex Score
99 records- 0199US6848516B2Processes of determining torque output and controlling power impact tools using a torque transducerCHICAGO PNEUMATIC TOOL CO·Filed 2003·Granted Feb 1, 2005·91 cites·15 claims
- 0296US5092410AAdjustable pressure dual piston impulse clutchCHICAGO PNEUMATIC TOOL CO·Filed 1990·Granted Mar 3, 1992·101 cites·10 claims
- 0395US5083619APowered impact wrenchCHICAGO PNEUMATIC TOOL CO·Filed 1989·Granted Jan 28, 1992·78 cites·5 claims
- 0494US6581696B2Processes of determining torque output and controlling power impact tools using a torque transducerCHICAGO PNEUMATIC TOOL CO·Filed 2001·Granted Jun 24, 2003·40 cites·39 claims
- 0594US3951217AImpact air wrench having a two position pressure regulatorCHICAGO PNEUMATIC TOOL CO·Filed 1974·Granted Apr 20, 1976·66 cites·3 claims
- 0693US6311786B1Process of determining torque output and controlling power impact tools using impulseCHICAGO PNEUMATIC TOOL CO·Filed 1998·Granted Nov 6, 2001·73 cites·14 claims
- 0793US4019589APulse motor nut runnerCHICAGO PNEUMATIC TOOL CO·Filed 1975·Granted Apr 26, 1977·27 cites·16 claims
- 0892USD493085SPower toolCHICAGO PNEUMATIC TOOL CO·Filed 2003·Granted Jul 20, 2004·53 cites·1 claims
- 0991US4044625AVibration isolating hand grip for shank of a percussive chiselCHICAGO PNEUMATIC TOOL CO·Filed 1976·Granted Aug 30, 1977·126 cites·7 claims
- 1090USD540641SImpact wrenchCHICAGO PNEUMATIC TOOL CO·Filed 2006·Granted Apr 17, 2007·56 cites·1 claims
- 1188USD530171SPneumatic ratchet wrenchCHICAGO PNEUMATIC TOOL CO·Filed 2005·Granted Oct 17, 2006·38 cites·1 claims
- 1287USD261097SPneumatic nut runner with torque indicatorCHICAGO PNEUMATIC TOOL CO·Filed 1979·Granted Oct 6, 1981·19 cites·1 claims
- 1387US4168723APressure relief valveCHICAGO PNEUMATIC TOOL CO·Filed 1977·Granted Sep 25, 1979·52 cites·6 claims
- 1486US6250399B1Pneumatic tool with a reverse valve having an overdriveCHICAGO PNEUMATIC TOOL CO·Filed 1999·Granted Jun 26, 2001·49 cites·19 claims
- 1586US4467565ARotary and orbital sanderCHICAGO PNEUMATIC TOOL CO·Filed 1982·Granted Aug 28, 1984·35 cites·4 claims
- 1685US6892826B2Processes of determining torque output and controlling power impact tools using a torque transducerCHICAGO PNEUMATIC TOOL CO·Filed 2003·Granted May 17, 2005·22 cites·14 claims
- 1785US3989113APneumatic tool having a reverse air control valve with an integral regulatorCHICAGO PNEUMATIC TOOL CO·Filed 1975·Granted Nov 2, 1976·45 cites·14 claims
- 1884US6220367B1Power tool and vibration isolator thereforCHICAGO PNEUMATIC TOOL CO·Filed 1999·Granted Apr 24, 2001·43 cites·21 claims
- 1984US6026910APower tool and vibration isolator thereforCHICAGO PNEUMATIC TOOL CO·Filed 1998·Granted Feb 22, 2000·47 cites·12 claims
- 2084US5687802APower hand tool with rotatable handleCHICAGO PNEUMATIC TOOL CO·Filed 1995·Granted Nov 18, 1997·51 cites·23 claims
- 2183US5544710APulse toolCHICAGO PNEUMATIC TOOL CO·Filed 1994·Granted Aug 13, 1996·52 cites·26 claims
- 2283US4179250AThread construction for rotary worm compression-expansion machinesCHICAGO PNEUMATIC TOOL CO·Filed 1977·Granted Dec 18, 1979·27 cites·8 claims
- 2383US4071092APneumatic screwdriver with torque responsive shut-offCHICAGO PNEUMATIC TOOL CO·Filed 1977·Granted Jan 31, 1978·31 cites·7 claims
- 2482USD484016SNut runnerCHICAGO PNEUMATIC TOOL CO·Filed 2003·Granted Dec 23, 2003·22 cites·1 claims
- 2582US4347902ARotary impact wrench clutchCHICAGO PNEUMATIC TOOL CO·Filed 1979·Granted Sep 7, 1982·29 cites·6 claims
- 2682US4147219ATwo-speed offset nutrunnerCHICAGO PNEUMATIC TOOL CO·Filed 1977·Granted Apr 3, 1979·28 cites·10 claims
- 2782US3987692ATube nut wrenchCHICAGO PNEUMATIC TOOL CO·Filed 1975·Granted Oct 26, 1976·41 cites·9 claims
- 2881USD540640SImpact wrenchCHICAGO PNEUMATIC TOOL CO·Filed 2006·Granted Apr 17, 2007·31 cites·1 claims
- 2981US6047779ATwin lobe impact mechanismCHICAGO PNEUMATIC TOOL CO·Filed 1998·Granted Apr 11, 2000·33 cites·5 claims
- 3080US4400785AMicroprocessor monitoring system for fastener tighteningCHICAGO PNEUMATIC TOOL CO·Filed 1980·Granted Aug 23, 1983·31 cites·5 claims
- 3179US5322131AVibration-reduced pneumatic toolCHICAGO PNEUMATIC TOOL CO·Filed 1993·Granted Jun 21, 1994·44 cites·19 claims
- 3279US3976390AMeans for controlling flow instability in centrifugal compressorsCHICAGO PNEUMATIC TOOL CO·Filed 1974·Granted Aug 24, 1976·42 cites·3 claims
- 3378US5924497APower hand tool with rotatable handleCHICAGO PNEUMATIC TOOL CO·Filed 1997·Granted Jul 20, 1999·38 cites·9 claims
- 3478US5522606ARetainer for a pneumatic toolCHICAGO PNEUMATIC TOOL CO·Filed 1994·Granted Jun 4, 1996·43 cites·12 claims
- 3578US3970110ASafety inlet air valve control arrangement for air powered hand held toolCHICAGO PNEUMATIC TOOL CO·Filed 1975·Granted Jul 20, 1976·33 cites·20 claims
- 3677US5813477AVibration-reduced impact tool and vibration isolator thereforCHICAGO PNEUMATIC TOOL CO·Filed 1996·Granted Sep 29, 1998·46 cites·13 claims
- 3777US4171188ARotary air compressors with intake valve control and lubrication systemCHICAGO PNEUMATIC TOOL CO·Filed 1978·Granted Oct 16, 1979·25 cites·1 claims
- 3874US6070674AModified cage member for an impact mechanismCHICAGO PNEUMATIC TOOL CO·Filed 1998·Granted Jun 6, 2000·32 cites·13 claims
- 3974US4497197APneumatic hydraulic hand-held power unitCHICAGO PNEUMATIC TOOL CO·Filed 1983·Granted Feb 5, 1985·28 cites·7 claims
- 4074US4477096ASocket retainerCHICAGO PNEUMATIC TOOL CO·Filed 1982·Granted Oct 16, 1984·23 cites·4 claims
- 4173US4791836ARatchet mechanismCHICAGO PNEUMATIC TOOL CO·Filed 1987·Granted Dec 20, 1988·27 cites·3 claims
- 4273USD253535SMobile rotary drill rigCHICAGO PNEUMATIC TOOL CO·Filed 1977·Granted Nov 27, 1979·13 cites·1 claims
- 4372US5896789ARatchet wrench headCHICAGO PNEUMATIC TOOL CO·Filed 1997·Granted Apr 27, 1999·27 cites·11 claims
- 4472US4951756ATorque control screwdriverCHICAGO PNEUMATIC TOOL CO·Filed 1989·Granted Aug 28, 1990·26 cites·4 claims
- 4571US4244245AFastener tension control systemCHICAGO PNEUMATIC TOOL CO·Filed 1979·Granted Jan 13, 1981·21 cites·7 claims
- 4670US6581697B1Power impact tool torque apparatusCHICAGO PNEUMATIC TOOL CO·Filed 2002·Granted Jun 24, 2003·14 cites·25 claims
- 4770USD376969SPistol handle pulse toolCHICAGO PNEUMATIC TOOL CO·Filed 1995·Granted Dec 31, 1996·18 cites·1 claims
- 4869US5320187AMechanical lockout for a pneumatic toolCHICAGO PNEUMATIC TOOL CO·Filed 1992·Granted Jun 14, 1994·31 cites·20 claims
- 4969US4413396AMicroprocessor control yield point tightening systemCHICAGO PNEUMATIC TOOL CO·Filed 1980·Granted Nov 8, 1983·22 cites·2 claims
- 5068US4635731AImpulse toolCHICAGO PNEUMATIC TOOL CO·Filed 1984·Granted Jan 13, 1987·22 cites·16 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
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