Individual holder
JUNKERS JOHN K
50 granted patents·7 pending applications·1,103 citations·filing 1975–2012
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
57 records- 0194US7641579B2Eccentric gear mechanism and method of transfering turning force therebyJUNKERS JOHN K·Filed 2007·Granted Jan 5, 2010·26 cites·8 claims
- 0292US5341560AMethod of elongating and relaxing a studJUNKERS JOHN K·Filed 1993·Granted Aug 30, 1994·56 cites·6 claims
- 0391US7735397B2Fluid operated torque tool for and a method of tightening a nut on a plate on railroad crossingsJUNKERS JOHN K·Filed 2007·Granted Jun 15, 2010·24 cites·1 claims
- 0491US4706527AFluid operated wrench for tightening or loosening a threaded connectorJUNKERS JOHN K·Filed 1986·Granted Nov 17, 1987·55 cites·13 claims
- 0590USD364882SBolt tensionerJUNKERS JOHN K·Filed 1994·Granted Dec 5, 1995·33 cites·1 claims
- 0689US4201099AHydraulic wrenchJUNKERS JOHN K·Filed 1978·Granted May 6, 1980·39 cites·14 claims
- 0788US9308632B2Apparatus for tightening or loosening fastenersJUNKERS JOHN K·Filed 2010·Granted Apr 12, 2016·15 cites·7 claims
- 0888US8978232B2Method for tightening and loosening threaded connectorsJUNKERS JOHN K·Filed 2011·Granted Mar 17, 2015·10 cites·11 claims
- 0988US7832310B2Torque power toolJUNKERS JOHN K·Filed 2008·Granted Nov 16, 2010·20 cites·9 claims
- 1087US5318397AMechanical tensionerJUNKERS JOHN K·Filed 1992·Granted Jun 7, 1994·44 cites·1 claims
- 1187US4027561AHydraulic wrenchJUNKERS JOHN K·Filed 1975·Granted Jun 7, 1977·32 cites·13 claims
- 1286US7003862B2Power tool and method of assembling parts using a two-part separable washerJUNKERS JOHN K·Filed 2004·Granted Feb 28, 2006·26 cites·2 claims
- 1384US8079795B2Washer for tightening and loosening threaded connectorsJUNKERS JOHN K·Filed 2009·Granted Dec 20, 2011·16 cites·7 claims
- 1483US7765895B2Fluid-operated torque wrench for and method of tightening or loosening fastenersJUNKERS JOHN K·Filed 2007·Granted Aug 3, 2010·16 cites·6 claims
- 1583US7207760B2Washer and fastener provided with a washerJUNKERS JOHN K·Filed 2004·Granted Apr 24, 2007·31 cites·19 claims
- 1683US7125213B2Washer, fastener provided with a washer, method of and power tool for fastening objectsJUNKERS JOHN K·Filed 2003·Granted Oct 24, 2006·23 cites·14 claims
- 1783US4336727AHydraulic wrench for limited space applicationJUNKERS JOHN K·Filed 1980·Granted Jun 29, 1982·36 cites·17 claims
- 1881US7066053B2Washer, fastener provided with a washerJUNKERS JOHN K·Filed 2002·Granted Jun 27, 2006·24 cites·6 claims
- 1981US4825730AFluid operated wrenchJUNKERS JOHN K·Filed 1987·Granted May 2, 1989·34 cites·6 claims
- 2081US4671142AFluid operated wrenchJUNKERS JOHN K·Filed 1985·Granted Jun 9, 1987·34 cites·10 claims
- 2180US8042434B2Safety torque intensifying toolJUNKERS JOHN K·Filed 2008·Granted Oct 25, 2011·13 cites·4 claims
- 2280US5539970AMethod of and device for elongating and relaxing a studJUNKERS JOHN K·Filed 1994·Granted Jul 30, 1996·50 cites·11 claims
- 2379US6986298B2Method of and power tool for fastening objectsJUNKERS JOHN K·Filed 2003·Granted Jan 17, 2006·22 cites·2 claims
- 2477US5137408AFastening deviceJUNKERS JOHN K·Filed 1991·Granted Aug 11, 1992·44 cites·10 claims
- 2576US7647808B2Apparatus for calibration of fluid-operated power torque toolsJUNKERS JOHN K·Filed 2008·Granted Jan 19, 2010·10 cites·4 claims
- 2675US7798038B2Reaction arm for power-driven torque intensifierJUNKERS JOHN K·Filed 2007·Granted Sep 21, 2010·13 cites·6 claims
- 2775US5538379AMechanical tensioner for and method of elongating and relaxing a stud and the likeJUNKERS JOHN K·Filed 1995·Granted Jul 23, 1996·42 cites·10 claims
- 2871USD602755STorque wrenchJUNKERS JOHN K·Filed 2009·Granted Oct 27, 2009·16 cites·1 claims
- 2971US4387611AHydraulic wrench for simultaneously tightening or loosening at least two threaded connectorsJUNKERS JOHN K·Filed 1981·Granted Jun 14, 1983·22 cites·17 claims
- 3066US5016502APower wrenchJUNKERS JOHN K·Filed 1990·Granted May 21, 1991·23 cites·18 claims
- 3166US5005447ATorque wrenchJUNKERS JOHN K·Filed 1990·Granted Apr 9, 1991·23 cites·10 claims
- 3265US5690458AHydraulic bolt tensionerJUNKERS JOHN K·Filed 1996·Granted Nov 25, 1997·23 cites·6 claims
- 3365US4706526AFluid operated wrenchJUNKERS JOHN K·Filed 1985·Granted Nov 17, 1987·20 cites·10 claims
- 3463US4233865AHydraulic wrenchJUNKERS JOHN K·Filed 1979·Granted Nov 18, 1980·17 cites·16 claims
- 3561US4446762AUniversally usable hydraulic wrench for simultaneously tightening or loosening two threaded connectors or for tightening or loosening a single threaded connector with a greater forceJUNKERS JOHN K·Filed 1983·Granted May 8, 1984·16 cites·9 claims
- 3660US5140874AFluid-operated wrenchJUNKERS JOHN K·Filed 1991·Granted Aug 25, 1992·19 cites·10 claims
- 3760US4663997AFluid-operated wrenchJUNKERS JOHN K·Filed 1986·Granted May 12, 1987·16 cites·13 claims
- 3860US4079641AHydraulic wrenchJUNKERS JOHN K·Filed 1976·Granted Mar 21, 1978·13 cites·16 claims
- 3958US4406185AUniversally usable hydraulic wrench for simultaneously tightening or loosening two threaded connectorsJUNKERS JOHN K·Filed 1981·Granted Sep 27, 1983·15 cites·8 claims
- 4055US4846028AFluid-operated wrenchJUNKERS JOHN K·Filed 1987·Granted Jul 11, 1989·14 cites·2 claims
- 4154US2005278932A1Washer, fastener provided with a washer, method of and power tool for fastening objectsJUNKERS JOHN K·Filed 2005·Application pending·0 cites
- 4254US2010270048A1Reaction adaptors for torque power tools and methods of using the sameJUNKERS JOHN K·Filed 2009·Application pending·0 cites
- 4354US2005279190A1Washer, fastener provided with a washer, method of and power tool for fastening objectsJUNKERS JOHN K·Filed 2005·Application pending·0 cites
- 4452US4644829AFluid-operated wrenchJUNKERS JOHN K·Filed 1985·Granted Feb 24, 1987·13 cites·9 claims
- 4551US2005286991A1Washer, fastener provided with a washer, method of and power tool for fastening objectsJUNKERS JOHN K·Filed 2005·Application pending·0 cites
- 4648US2006101951A1Method of and a tool for tightening threaded connectorsJUNKERS JOHN K·Filed 2004·Application pending·0 cites
- 4747US11035512B2Apparatus for tightening threaded fastenersJUNKERS JOHN K·Filed 2012·Granted Jun 15, 2021·0 cites·20 claims
- 4847US5311796AHydraulic toolJUNKERS JOHN K·Filed 1990·Granted May 17, 1994·15 cites·3 claims
- 4947US5029497AContinuous ratchet driveJUNKERS JOHN K·Filed 1988·Granted Jul 9, 1991·10 cites·1 claims
- 5047US5007153AMethod for tightening threaded connectorsJUNKERS JOHN K·Filed 1989·Granted Apr 16, 1991·9 cites·7 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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