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)
08/1983
08/09/1983CA1151554A2 Pneumatic motor
08/09/1983CA1151479A1 Method of removing stuck gaskets and pneumatic impact tool therefor
08/02/1983CA1150902A1 Explosive powder operated setting device
06/1983
06/21/1983US4388972 Vibrationless impact tool
06/15/1983EP0081469A2 Attachment for a percussive rock drilling machine
06/14/1983CA1148063A2 Hydraulically operated impact motor
06/09/1983WO1983001977A1 Rock breaking apparatus
06/08/1983EP0080964A2 Actuator for a hydraulic impact device
06/01/1983EP0080446A2 Method of controlling an impact motor and an impact motor
05/1983
05/17/1983CA1146443A1 Impactor
05/10/1983US4382533 Explosive powder operated setting device
04/1983
04/26/1983US4380901 Hydraulic percussion machine
04/26/1983CA1145264A1 Thermal impulse generator
04/12/1983CA1144450A1 Hydraulic linear impact tool
03/1983
03/29/1983US4377991 Internal combustion apparatus
03/23/1983EP0074547A1 Pneumatic hand tool with handle
02/1983
02/09/1983EP0071546A1 Tightness system between the hydraulic and external medium in percussion devices
02/01/1983US4370916 Percussive device
01/1983
01/20/1983WO1983000183A1 Hydraulic down-the-hole rock drill
01/19/1983EP0070246A1 Hydraulic percussion device
01/19/1983EP0070044A1 Hydraulically operated impact motor
01/04/1983US4366868 Rock drill apparatus
12/1982
12/14/1982CA1137416A1 Drilling and chipping hammer with internal combustion engine drive
11/1982
11/30/1982CA1136446A1 Hammer drill
11/23/1982CA1136118A1 Combined impact and pressure liquid rock drill
11/16/1982US4359108 Pneumatic hammer having a safety device
11/09/1982CA1135156A1 Hydraulic apparatus for producing impacts
11/09/1982CA1135155A1 Hydraulically operated impact motor
11/02/1982CA1134716A1 Hammer
10/1982
10/26/1982US4355691 Hydraulic drilling apparatus
10/26/1982US4355564 Pneumatic reciprocating mechanism
10/13/1982EP0062145A2 Powder actuated tool with gas venting handle
10/12/1982US4353426 Percussive tools
09/1982
09/28/1982US4351225 Vibration attenuation construction for an impact air tool
09/14/1982US4349075 Hydraulically operated impact motor
09/14/1982US4349074 Convertible rotary impact hammer drill
09/01/1982EP0059071A1 Improvements in paving breakers
08/1982
08/25/1982EP0058650A1 An hydraulically operated impact device
08/24/1982CA1130171A1 Hydraulic drilling apparatus
08/10/1982US4343368 Idle stroke braking unit for an impact device
08/10/1982US4343227 Hydraulic percussion apparatus
08/03/1982US4342255 Oscillator actuated hydraulic impulse device
07/1982
07/06/1982CA1127046A1 Hydraulic precussion apparatus
06/1982
06/30/1982EP0055244A1 Outil de percussion pneumatique à main
06/29/1982CA1126619A1 Impact tool with hydraulic cocking mechanism
06/22/1982CA1126128A1 Striking apparatus
06/08/1982US4333492 Liquid inertia tool
06/01/1982CA1124591A1 Percussive pneumatic impact device
05/1982
05/11/1982CA1123282A1 Percussive device
05/04/1982US4327807 Percussion tool casing
04/1982
04/27/1982CA1122501A1 Boosted hydro-pneumatic drive
04/06/1982CA1121231A2 Fluid operable hammer or impactor
03/1982
03/24/1982EP0047944A1 Percussion tool
03/17/1982EP0047438A1 Liquid pressure striking device
02/1982
02/23/1982CA1118689A1 Internal combustion engine driven drilling and chipping hammer
02/09/1982US4314612 Hydraulic linear impact tool
01/1982
01/05/1982US4308922 Impact device
12/1981
12/15/1981US4305473 Power control device for pneumatic motors
12/15/1981CA1114249A1 Motor-driven hammer drill
12/10/1981WO1981003457A1 A hydraulic hammer
12/08/1981CA1113832A1 Demolition tool for breaking solid materials
12/01/1981US4303002 Hand-operated pneumatic impact machine
11/1981
11/04/1981EP0039320A2 Vibrationless impact tool
11/03/1981US4298074 Surgical device using impulse motor
10/1981
10/27/1981CA1111321A1 Pneumatic hack saw
10/20/1981US4295411 Impactor
09/1981
09/29/1981US4291771 Rotary percussion hydraulic drilling machine
09/22/1981US4290496 Combination impact and pressure liquid rock drill
09/22/1981US4290489 Vibrationless pneumatic tools
09/22/1981CA1109363A1 Hydraulic powered rock drill
09/22/1981CA1109362A1 Hydraulic percussive machines
09/15/1981US4289209 Impact device with fluid tool rotation motor
09/08/1981US4287810 Drive for a pneumatic hammer
09/02/1981EP0035005A1 A hydraulically operated impact device
08/1981
08/18/1981US4284147 Control device for the forward movement and rearward movement of pneumatic ram boring devices
08/18/1981US4283991 Percussion mechanism
08/11/1981US4282937 Hammer
08/04/1981US4281587 Hydraulic apparatus for producing impacts
08/04/1981CA1106249A1 Hammer
06/1981
06/16/1981CA1103114A1 Air hammer and muffler combination
06/11/1981WO1981001590A1 Pneumatic percussion machine
05/1981
05/12/1981US4266465 Percussion mechanism
04/1981
04/28/1981US4264107 Demolition tool for breaking solid materials
04/21/1981CA1099613A1 Drilling machine, especially a rock drill
04/14/1981US4261249 Hammer
03/1981
03/17/1981US4256187 Impact tool with hydraulic cocking mechanism
03/17/1981US4256145 Impact type tools
03/11/1981EP0024837A1 Method of removing stuck gaskets and pneumatic impact tool therefor
03/10/1981CA1097331A1 Percussive drilling tool
02/1981
02/03/1981US4248133 Impact mechanism
01/1981
01/14/1981EP0022428A1 Pneumatic reciprocating mechanism
01/06/1981US4243107 Hydraulic hammer mounted on a movable boom
01/06/1981CA1092941A1 Hydraulic impact device
11/1980
11/11/1980US4232748 Spray-assisted pneumatic stone-working apparatus
11/04/1980US4231434 Hydraulic impact device
11/04/1980CA1088847A1 Hydraulic percussive machines
10/1980
10/28/1980US4230019 Fluid arrangement
10/15/1980EP0017635A1 Pneumatic reciprocating mechanism
09/1980
09/16/1980US4222462 Brake to decelerate axially moving actuating rod
09/16/1980US4222443 Motor-driven hammer drill
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