Inventor · disambiguated record
John K. Junkers
Also filed as: JUNKERS JOHN · JUNKERS JOHN K
90 granted patents·26 pending applications·1,987 citations·filing 1975–2024
99Inventor score
Top patents by PatentIndex Score
116 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
- 0590US6883401B2Power tool for fastening objectsFiled 2002·Granted Apr 26, 2005·38 cites·18 claims
- 0690US6609868B2Washer, fastener provided with a washer, and method of fastening with the use of the washerFiled 2001·Granted Aug 26, 2003·35 cites·2 claims
- 0790US5934853ANut and device for tightening provided with the sameFiled 1997·Granted Aug 10, 1999·70 cites·8 claims
- 0890USD364882SBolt tensionerJUNKERS JOHN K·Filed 1994·Granted Dec 5, 1995·33 cites·1 claims
- 0989US6585467B2Threaded fastener with press-fit washerFiled 2002·Granted Jul 1, 2003·24 cites·5 claims
- 1089US6461093B1Threaded fastenerFiled 2000·Granted Oct 8, 2002·25 cites·2 claims
- 1189US4201099AHydraulic wrenchJUNKERS JOHN K·Filed 1978·Granted May 6, 1980·39 cites·14 claims
- 1288US9308632B2Apparatus for tightening or loosening fastenersJUNKERS JOHN K·Filed 2010·Granted Apr 12, 2016·15 cites·7 claims
- 1388US8978232B2Method for tightening and loosening threaded connectorsJUNKERS JOHN K·Filed 2011·Granted Mar 17, 2015·10 cites·11 claims
- 1488US7832310B2Torque power toolJUNKERS JOHN K·Filed 2008·Granted Nov 16, 2010·20 cites·9 claims
- 1587US5318397AMechanical tensionerJUNKERS JOHN K·Filed 1992·Granted Jun 7, 1994·44 cites·1 claims
- 1687US4027561AHydraulic wrenchJUNKERS JOHN K·Filed 1975·Granted Jun 7, 1977·32 cites·13 claims
- 1786US7003862B2Power tool and method of assembling parts using a two-part separable washerJUNKERS JOHN K·Filed 2004·Granted Feb 28, 2006·26 cites·2 claims
- 1886US6490952B2Fastening deviceFiled 1999·Granted Dec 10, 2002·47 cites·12 claims
- 1985US7950309B2Power-driven torque intensifierUNEX CORP·Filed 2007·Granted May 31, 2011·23 cites·16 claims
- 2084US8079795B2Washer for tightening and loosening threaded connectorsJUNKERS JOHN K·Filed 2009·Granted Dec 20, 2011·16 cites·7 claims
- 2183US7765895B2Fluid-operated torque wrench for and method of tightening or loosening fastenersJUNKERS JOHN K·Filed 2007·Granted Aug 3, 2010·16 cites·6 claims
- 2283US7207760B2Washer and fastener provided with a washerJUNKERS JOHN K·Filed 2004·Granted Apr 24, 2007·31 cites·19 claims
- 2383US7125213B2Washer, 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
- 2483US6152243AUniversal torque power toolFiled 1999·Granted Nov 28, 2000·41 cites·8 claims
- 2583US4336727AHydraulic wrench for limited space applicationJUNKERS JOHN K·Filed 1980·Granted Jun 29, 1982·36 cites·17 claims
- 2682US4409865AContinuous ratchet driveUNEX CORP·Filed 1981·Granted Oct 18, 1983·39 cites·1 claims
- 2781US7066053B2Washer, fastener provided with a washerJUNKERS JOHN K·Filed 2002·Granted Jun 27, 2006·24 cites·6 claims
- 2881US5640749AMethod of and device for elongating and relaxing a studFiled 1995·Granted Jun 24, 1997·51 cites·11 claims
- 2981US4825730AFluid operated wrenchJUNKERS JOHN K·Filed 1987·Granted May 2, 1989·34 cites·6 claims
- 3081US4671142AFluid operated wrenchJUNKERS JOHN K·Filed 1985·Granted Jun 9, 1987·34 cites·10 claims
- 3180US8042434B2Safety torque intensifying toolJUNKERS JOHN K·Filed 2008·Granted Oct 25, 2011·13 cites·4 claims
- 3280US5539970AMethod of and device for elongating and relaxing a studJUNKERS JOHN K·Filed 1994·Granted Jul 30, 1996·50 cites·11 claims
- 3379US6986298B2Method of and power tool for fastening objectsJUNKERS JOHN K·Filed 2003·Granted Jan 17, 2006·22 cites·2 claims
- 3479US6254323B1Bolt for connecting two parts with one another, and fastening device provided with the boltFiled 1999·Granted Jul 3, 2001·46 cites·4 claims
- 3578US6810571B1Method of tightening and loosening an objectFiled 2003·Granted Nov 2, 2004·21 cites·3 claims
- 3678USD485159SSwivel connectorFiled 2003·Granted Jan 13, 2004·22 cites·1 claims
- 3778US5946789AMethod of and device for elongating and relaxing a studFiled 1995·Granted Sep 7, 1999·46 cites·13 claims
- 3877US6929439B2Washer for fastener and for fastening of objectsFiled 2003·Granted Aug 16, 2005·28 cites·16 claims
- 3977US5137408AFastening deviceJUNKERS JOHN K·Filed 1991·Granted Aug 11, 1992·44 cites·10 claims
- 4076US7647808B2Apparatus for calibration of fluid-operated power torque toolsJUNKERS JOHN K·Filed 2008·Granted Jan 19, 2010·10 cites·4 claims
- 4176USD491436SFluid operated wrenchFiled 2003·Granted Jun 15, 2004·20 cites·1 claims
- 4275US7798038B2Reaction arm for power-driven torque intensifierJUNKERS JOHN K·Filed 2007·Granted Sep 21, 2010·13 cites·6 claims
- 4375USD465394SFluid operated wrenchFiled 2001·Granted Nov 12, 2002·20 cites·1 claims
- 4475US5538379AMechanical 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
- 4571USD602755STorque wrenchJUNKERS JOHN K·Filed 2009·Granted Oct 27, 2009·16 cites·1 claims
- 4671US6715381B2Adjustable reaction arm for torque power tool, and torque power tool provided therewithFiled 2002·Granted Apr 6, 2004·16 cites·6 claims
- 4771US6260444B1Power toolFiled 1999·Granted Jul 17, 2001·25 cites·1 claims
- 4871US4387611AHydraulic wrench for simultaneously tightening or loosening at least two threaded connectorsJUNKERS JOHN K·Filed 1981·Granted Jun 14, 1983·22 cites·17 claims
- 4967US6058810APower tool for and a method of moving an element relative to an objectFiled 1998·Granted May 9, 2000·24 cites·9 claims
- 5066US5016502APower wrenchJUNKERS JOHN K·Filed 1990·Granted May 21, 1991·23 cites·18 claims
Showing the top 50 of 116 patent records by PatentIndex Score.
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