Patents
Sitemap › B25 - Hand tools; Portable power-driven tools; Handles for hand implements; Workshop equipment; Manipulators › B25D - Percussive tools › B25D 9 - Portable percussive tools with fluid-pressure drive, e.g. having several percussive tool bits operated simultaneously
Patents for B25D 9 - Portable percussive tools with fluid-pressure drive, e.g. having several percussive tool bits operated simultaneously (2,753)
01/2013
01/10/2013DE102011078627A1 Percussion device for drilling or chipping hammer, has braking air cushion that is provided between paddle and striker
01/09/2013CN102862149A Impact mechanism device
01/08/2013US8347981 Power tool
01/03/2013US20130000939 Hydraulic percussive arrangement, piston guide and drilling rig
01/02/2013CN202640305U Novel air percussion hammer
01/02/2013CN102858499A Rock drilling machine and use thereof for hindering occurrence and spreading of cavitation bubbles
01/02/2013CN102858498A Hydraulic percussive arrangement, piston guide and drilling rig
01/01/2013US8342069 Device and method for controlled breaching of reinforced concrete
12/2012
12/27/2012DE102011105600A1 Luftfederschlagwerk mit geteiltem Luftfedervolumen Pneumatic percussive tool with split air spring volume
12/26/2012CN202622734U Gas impact hammer
12/13/2012WO2012168559A1 Percussion device of rock breaking device and method for controlling percussion device
12/13/2012WO2012168558A1 Percussion device of rock breaking device and method for controlling percussion device
12/06/2012US20120305280 Rock Drilling Machine And Use Thereof For Hindering Occurrence And Spreading Of Cavitation Bubbles
11/2012
11/22/2012US20120292066 Pneumatic tool having pendulum-like direction switching mechanism
11/22/2012US20120292062 Systems and methods for controlling diesel hammers
11/21/2012EP2523781A1 Drill hammer and/or impact hammer having free convection cooling
11/21/2012EP2523780A1 Hammer drill and/or impact hammer having cooling of equipment components
11/21/2012CN202545405U Gas-liquid combined type hydraulic impacter
11/21/2012CN102785226A Pneumatic knocking hammer
11/08/2012WO2012150895A1 A striker member, and a drilling machine comprising a striker member
11/08/2012CA2834226A1 A striker member, and a drilling machine comprising a striker member
11/07/2012CN202517457U Hammer
11/07/2012CN102770246A Drill hammer and/or impact hammer having free convection cooling
11/07/2012CN102770245A Hammer drill and/or impact hammer having cooling of equipment components
11/01/2012WO2012148347A1 An impact mechanism, rock drill and drill rig comprising such impact mechanism
11/01/2012CA2834155A1 An impact mechanism, rock drill and drill rig comprising such impact mechanism
10/2012
10/31/2012EP2516755A1 Method for determining usage rate of breaking hammer, breaking hammer, and measuring device
10/31/2012CN101743100B Implement having rotational speed reduction and operating method therefor
10/25/2012US20120267138 Hand-held power tool and production method
10/25/2012DE102011007660A1 Handwerkzeugmaschine und Herstellungsverfahren Hand machine tool and manufacturing processes
10/24/2012CN102744713A Handheld machine tool and production method
10/23/2012CA2557060C Pressure-fluid-operated percussion device
10/18/2012WO2012142188A2 Hydraulic hand-held knockout punch driver
10/18/2012US20120261151 Air hammer for a boring machine
10/11/2012WO2012138288A1 Device and method for rock- and concrete machining
10/11/2012WO2012138287A1 Device for rock- and concrete machining
10/11/2012US20120255183 Hydraulic hand-held knockout punch driver
10/11/2012DE102011007050A1 Tool for pulling component i.e. injection nozzle, of internal combustion engine, has tensioning unit arranged in front transverse support and extending in direction turned away from rear support, where tension unit couples component
10/11/2012CA2832166A1 Device and method for rock- and concrete machining
10/11/2012CA2832165A1 Device for rock- and concrete machining
10/10/2012CN202480063U Pneumatic multipurpose impacter
10/03/2012CN202462367U Portable hand-hold pneumatic break-in tool
09/2012
09/26/2012CN202448112U Air pick handle
09/26/2012CN202448111U Air pick cylinder body connecting rod
09/25/2012US8272453 Handheld power tool
09/20/2012US20120234571 Impact tool
09/20/2012US20120234567 Rock drill oil
09/19/2012CN102672681A 冲击工具 Impact Tool
09/19/2012CN102672680A Novel gasoline power pickax equipment
09/18/2012US8267190 Direction switching and speed controlling device for a pneumatic tool
09/18/2012CA2602937C Percussion device
09/18/2012CA2581325C Method for breaking rock
09/13/2012WO2012120403A1 Mechanical force generator for a downhole excitation apparatus
09/13/2012CA2828675A1 Mechanical force generator for a downhole excitation apparatus
09/12/2012CN102667008A Method for determining usage rate of breaking hammer, breaking hammer, and measuring device
09/11/2012CA2605325C Anti-vibratory handle for percussive and other reciprocating tools
09/11/2012CA2531641C Impact device and method for generating stress pulse therein
09/06/2012US20120222762 Proportional pilot-controlled pneumatic control system for pneumatically powered hand-held tools
09/05/2012CN202412231U Impact block and impact tool head including same
09/05/2012CN202412226U Reducing blasting type impact-increasing needle
08/2012
08/29/2012EP2491233A1 Gas-powered tool motor
08/29/2012CN102649267A Hammer
08/23/2012DE102011004515A1 Rammer for drilling and/or chisel hammer, has beat driving apparatus for translating rotating movement of intermediate shaft into translatory motion for driving rackets, where beat driving apparatus comprises non-circular toothed gearing
08/16/2012WO2012058279A3 Tool
08/15/2012CN102635588A Gas-liquid combined hydraulic impacter
08/14/2012DE202012006485U1 Schlagvorrichtung Impact device
08/07/2012CA2591893C Method for controlling pressure fluid operated percussion device, and percussion device
07/2012
07/11/2012CN202318256U 风炮扒胎器 Tyre is jackhammers
07/10/2012CA2672405C Percussion device
07/04/2012CN202292683U 电锤 Hammer
07/04/2012CN202292682U Pneumatic impact tool
07/04/2012CN102528759A Multipurpose pneumatic impactor
07/04/2012CN102011774B Series type fastening assembly and impact device using same
06/2012
06/28/2012WO2012087571A1 Pressure protection valve for hydraulic tool
06/28/2012US20120160528 Pressure protection valve for hydraulic tool
06/21/2012US20120152582 Hammer having a two part body
06/13/2012CN102490160A Reducing blasting weighting needle assembly
06/13/2012CN101489729B Method and device for rock drilling
06/12/2012US8196676 Recoilless hammer
06/12/2012CA2636151C Measuring device, rock breaking device and method of measuring stress wave
06/07/2012WO2012075214A1 Sleeve/liner assembly and hydraulic hammer using same
06/07/2012WO2012072875A1 Quick release valve
06/07/2012WO2012072329A1 Hammer mechanism
06/07/2012WO2012072328A1 Hammer percussion mechanism
06/07/2012WO2012072327A1 Hammer percussion mechanism
06/07/2012US20120138328 Sleeve/Liner Assembly And Hydraulic Hammer Using Same
06/06/2012CN202264214U 气动工具的凿锤夹持结构 Hammer holding structure of pneumatic tools
06/06/2012CN202264058U 破碎机定锥衬板拆卸装置 The cone crusher liner disassembly of the device
05/2012
05/31/2012DE102010062104A1 Hammerschlagwerk Hammer mechanism
05/30/2012CN101795824B Recoilless hammer
05/29/2012CA2579149C Percussion device
05/22/2012US8181714 Pneumatic impact piercing tool
05/22/2012US8181713 Preloaded drop hammer for driving piles
05/22/2012CA2516476C A hydraulic percussive in-hole rock drilling machine
05/16/2012DE102010044011A1 Handwerkzeugmaschine Hand tool
05/15/2012US8176996 Proportional pilot-controlled pneumatic control system for pneumatically powered hand-held tools
05/15/2012US8176995 Reduced-impact sliding pressure control valve for pneumatic hammer drill
05/09/2012EP2450155A1 Needle device for local surface processing of components
05/03/2012WO2012058279A2 Tool
05/03/2012CA2816329A1 Tool
1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 28