Inventor
JUNKERS JOHN K
US87 patents
⚠️ This page may combine multiple inventors who share the name “JUNKERS JOHN K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JUNKERS JOHN K
30 patentsUS5341560AAug 30, 1994
Method of elongating and relaxing a stud
JUNKERS JOHN K56 citations96
US7832310B2Nov 16, 2010
Torque power tool
JUNKERS JOHN K20 citations93
US7735397B2Jun 15, 2010
Fluid operated torque tool for and a method of tightening a nut on a plate on railroad crossings
JUNKERS JOHN K24 citations93
US7641579B2Jan 5, 2010
Eccentric gear mechanism and method of transfering turning force thereby
JUNKERS JOHN K26 citations93
US7207760B2Apr 24, 2007
Washer and fastener provided with a washer
JUNKERS JOHN K31 citations93
US7125213B2Oct 24, 2006
Washer, fastener provided with a washer, method of and power tool for fastening objects
JUNKERS JOHN K23 citations93
US7066053B2Jun 27, 2006
Washer, fastener provided with a washer
JUNKERS JOHN K24 citations93
US7003862B2Feb 28, 2006
Power tool and method of assembling parts using a two-part separable washer
JUNKERS JOHN K26 citations93
US6986298B2Jan 17, 2006
Method of and power tool for fastening objects
JUNKERS JOHN K22 citations93
US5690458ANov 25, 1997
Hydraulic bolt tensioner
JUNKERS JOHN K23 citations93
US5539970AJul 30, 1996
Method of and device for elongating and relaxing a stud
JUNKERS JOHN K50 citations93
US5538379AJul 23, 1996
Mechanical tensioner for and method of elongating and relaxing a stud and the like
JUNKERS JOHN K42 citations93
USD364882SDec 5, 1995
Bolt tensioner
JUNKERS JOHN K33 citations93
US5318397AJun 7, 1994
Mechanical tensioner
JUNKERS JOHN K44 citations93
US5137408AAug 11, 1992
Fastening device
JUNKERS JOHN K44 citations93
US5016502AMay 21, 1991
Power wrench
JUNKERS JOHN K23 citations93
US5005447AApr 9, 1991
Torque wrench
JUNKERS JOHN K23 citations93
US4825730AMay 2, 1989
Fluid operated wrench
JUNKERS JOHN K34 citations93
US4706527ANov 17, 1987
Fluid operated wrench for tightening or loosening a threaded connector
JUNKERS JOHN K55 citations93
US4671142AJun 9, 1987
Fluid operated wrench
JUNKERS JOHN K34 citations93
US4336727AJun 29, 1982
Hydraulic wrench for limited space application
JUNKERS JOHN K36 citations93
US4201099AMay 6, 1980
Hydraulic wrench
JUNKERS JOHN K39 citations93
US4027561AJun 7, 1977
Hydraulic wrench
JUNKERS JOHN K32 citations93
US8978232B2Mar 17, 2015
Method for tightening and loosening threaded connectors
JUNKERS JOHN K10 citations84
US8079795B2Dec 20, 2011
Washer for tightening and loosening threaded connectors
JUNKERS JOHN K16 citations84
US8042434B2Oct 25, 2011
Safety torque intensifying tool
JUNKERS JOHN K13 citations84
US7798038B2Sep 21, 2010
Reaction arm for power-driven torque intensifier
JUNKERS JOHN K13 citations84
US7765895B2Aug 3, 2010
Fluid-operated torque wrench for and method of tightening or loosening fasteners
JUNKERS JOHN K16 citations84
US7647808B2Jan 19, 2010
Apparatus for calibration of fluid-operated power torque tools
JUNKERS JOHN K10 citations84
USD602755SOct 27, 2009
Torque wrench
JUNKERS JOHN K16 citations84
(unassigned)
18 patentsUS5934853AAug 10, 1999
Nut and device for tightening provided with the same
70 citations96
US6929439B2Aug 16, 2005
Washer for fastener and for fastening of objects
28 citations93
US6883401B2Apr 26, 2005
Power tool for fastening objects
38 citations93
US6810571B1Nov 2, 2004
Method of tightening and loosening an object
21 citations93
USD491436SJun 15, 2004
Fluid operated wrench
20 citations93
USD485159SJan 13, 2004
Swivel connector
22 citations93
US6609868B2Aug 26, 2003
Washer, fastener provided with a washer, and method of fastening with the use of the washer
35 citations93
US6585467B2Jul 1, 2003
Threaded fastener with press-fit washer
24 citations93
US6490952B2Dec 10, 2002
Fastening device
47 citations93
US6461093B1Oct 8, 2002
Threaded fastener
25 citations93
US6260444B1Jul 17, 2001
Power tool
25 citations93
US6253642B1Jul 3, 2001
Power tool
21 citations93
US6254323B1Jul 3, 2001
Bolt for connecting two parts with one another, and fastening device provided with the bolt
46 citations93
US6152243ANov 28, 2000
Universal torque power tool
41 citations93
US6058810AMay 9, 2000
Power tool for and a method of moving an element relative to an object
24 citations93
US5946789ASep 7, 1999
Method of and device for elongating and relaxing a stud
46 citations93
US5640749AJun 24, 1997
Method of and device for elongating and relaxing a stud
51 citations93
US5499558AMar 19, 1996
Fluid operated tool for elongating and relaxing a threaded connector
30 citations93
UNEX CORP
2 patentsShowing the top 50 of 87 patents by PatentIndex Score.