Patents for B25B 17 - Hand-driven gear-operated wrenches or screwdrivers (1,139)
04/2003
04/23/2003CN2546144Y Variable speed spanner
04/16/2003CN2544900Y Hand screwdriver
04/08/2003US6543314 Torque wrench assembly
04/08/2003US6543313 Powered wrench
04/03/2003US20030061913 Advanced tools systems
03/2003
03/25/2003US6536311 Mechanical hand tool called the swing arm
03/25/2003US6536310 Low-profile wrench
02/2003
02/18/2003CA2351993C Torque tool
01/2003
01/09/2003WO2003001864A2 Device for rotating a mounting element
01/09/2003US20030005794 Manually operated tool bit structure having gear shifting device
12/2002
12/12/2002US20020184974 Powered wrench
11/2002
11/05/2002US6474200 Leverage wrench
10/2002
10/24/2002US20020152847 Variable speed ratchet wrench and method of use
10/16/2002EP1249314A2 Screw driving apparatus for use in areas with restricted access
10/16/2002EP1248697A1 Load equalizing power tong gear train
10/10/2002WO2002078910A1 High-speed socket wrench
10/10/2002DE10114907A1 Remote control screwdriver for use in poorly accessible areas, has shaft with screwdriver head connected to drive shaft via angular gear
10/01/2002US6457385 Precision driver rotation structure
09/2002
09/24/2002US6453778 Tool lengthening device
08/2002
08/29/2002US20020117027 Multi-lug socket tool
08/14/2002CN2505239Y Multi-functional wrench
07/2002
07/24/2002EP0986450B1 Hand tool with supporting arm and retaining mechanism and a method for loosening of attachment means
07/24/2002CN2501646Y Fast driving structure of screw driver
07/11/2002WO2002053319A2 Rotational power transfer device
07/11/2002US20020088309 Inverted screw removal tool
07/09/2002US6415690 Spanner
06/2002
06/27/2002WO2002049792A1 Method for assembling and disassembling cutting inserts
06/20/2002US20020073527 Method for assembling and disassembling cutting inserts
06/11/2002US6401572 Torque tool
05/2002
05/22/2002CN1085132C Hand tool with supporting arm and retaining mechanism and a method for loosening of attachment means
05/16/2002US20020056343 Leverage wrench
03/2002
03/21/2002US20020033080 Mechanical hand tool called the swing arm
03/14/2002WO2002020220A1 Reversible ratchet head assembly
02/2002
02/21/2002WO2002014022A1 Low-profile wrench
02/14/2002US20020017168 Low-profile wrench
02/07/2002WO2002009911A2 Device for tightening and loosening automobile wheel screws
02/05/2002US6343530 Fast adjustable wrench
01/2002
01/01/2002US6334743 High-speed rotary machine
12/2001
12/18/2001US6330840 Planetary ratchet wrench and pipe cutting tool
11/2001
11/20/2001US6318215 Opened-end ratchet wrench
11/20/2001US6318199 Load equalizing power tong gear train
11/15/2001US20010039857 Worm gear torque apparatus
10/2001
10/30/2001US6308786 Pneumatic powered winch actuating device
10/30/2001US6308593 Apparatus for adjusting tie rod
10/23/2001US6305245 Multiple lug nut removal tool
10/23/2001US6305236 Worm gear torque apparatus
10/11/2001US20010029376 Manual bone anchor placement devices
10/04/2001US20010027321 Bone anchor placement device with recessed anchor mount
10/02/2001US6295895 Hand tool with supporting arm and retaining mechanism and a method for loosening of attachment means
09/2001
09/06/2001DE10002224C1 Vorrichtung zur Verbindung einer Rohrleitung mit einem Rohrleitungselement mittels Klemm- oder Schneidring Device for connecting a pipeline with a pipe element by means of clamping or cutting ring
08/2001
08/15/2001CN2442857Y Labour-saver for driving screw and nut
07/2001
07/26/2001WO2001053044A1 Load equalizing power tong gear train
07/26/2001CA2397595A1 Load equalizing power tong gear train
07/25/2001EP1118434A2 Device for connecting a pipe with a tubing element by crimping ring or bite ring
07/17/2001US6260443 Hand wrench with torque augmenting means
07/12/2001DE19938707C2 Verschraubungswerkzeug mit einem Winkelkopf für Flachabtriebe Screwing tool at an angle head for flat-offs
07/03/2001US6253644 Torque wrench
06/2001
06/05/2001US6241736 Manual bone anchor placement devices
05/2001
05/09/2001CN2429301Y Labour-saving unit for dismounting screws and bolts
04/2001
04/26/2001WO2001028742A1 Wrench comprising a moveable wrench head
04/17/2001US6216562 Wrench
04/11/2001EP1090780A2 Tool for loosening wheel nuts
03/2001
03/28/2001EP1086784A2 Fitting tensioner for mounting impellers
03/15/2001DE19938707A1 Screwdriver has angled head for sander with first connection arrangement for of screwdriver drive motor output, second connection arrangement as shaft extending into and mounted in sander
02/2001
02/28/2001EP1077653A2 Manual bone anchor placement devices
02/07/2001CN1282649A Multipl joint spanner bandle
01/2001
01/02/2001US6167785 Tool for turning fasteners in confined spaces
11/2000
11/21/2000US6148694 Hand wrench with torque augmenting means
11/14/2000US6145412 Ratchet tool
09/2000
09/05/2000US6112621 Screw rotating tool
07/2000
07/26/2000CN2389042Y Diagonal wrench
06/2000
06/21/2000CN1257439A Hand tool with supporting arm and retaining mechanism and a method for loosening of attachment means
06/06/2000US6070499 Ratchet wrench having two modes of reciprocating manual input
04/2000
04/11/2000US6047616 Screw-rotating tool
03/2000
03/22/2000EP0986450A1 Hand tool with supporting arm and retaining mechanism and a method for loosening of attachment means
03/14/2000US6035746 Gear transmission cartridge
03/14/2000CA2285519A1 Multiforce
02/2000
02/24/2000WO2000009293A1 Open-end wrench
01/2000
01/26/2000CN2360227Y Boosting spanner
01/19/2000CN2359063Y Planetary reinforced spanner
01/04/2000US6009776 Right angle ratchet wrench drive unit
12/1999
12/29/1999WO1999058074A3 Manual bone anchor placement devices
12/15/1999CN2353494Y Spanner
12/01/1999CN1046883C Ratchet wrench
11/1999
11/18/1999WO1999058074A2 Manual bone anchor placement devices
11/17/1999CN2348972Y Tool for fastening plastics hollow board
11/02/1999US5974913 Powered gate valve wrench apparatus
10/1999
10/21/1999WO1999052683A1 Extension arm for spanner
10/21/1999WO1999052682A1 Extension arm for spanner
10/19/1999US5967004 Angular drive adapter for sockets and the like
10/13/1999CN2342938Y Double adjustable jaw wrench
10/05/1999US5960684 Tool for hard to reach fasteners
09/1999
09/29/1999CN2340564Y Double speed enhanced spanner
09/21/1999US5953966 Hand wrench with torque augmenting means
09/07/1999US5947212 Dual-mode fastener-driving tool
08/1999
08/24/1999US5941139 Tuner screwdriver
08/18/1999CN2333500Y 增力器 Energizer
08/03/1999US5931062 Efficient mechanical rectifier
08/03/1999US5931061 Gun shape driving tool
07/1999
07/27/1999US5927156 Wrench with side drive mechanism
1 2 3 4 5 6 7 8 9 10 11 12