| Patents for B25D 9 - Portable percussive tools with fluid-pressure drive, e.g. having several percussive tool bits operated simultaneously (2,753) |
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| 08/26/1980 | US4218888 Impact device |
| 08/21/1980 | WO1980001666A1 Pneumatic drill |
| 08/21/1980 | WO1980001665A1 Pneumatic percussion machine |
| 06/24/1980 | CA1080052A1 Impact mechanism |
| 06/17/1980 | US4207801 Hydraulic oscillatory devices |
| 06/10/1980 | CA1079138A1 Pneumatic percussion tool |
| 06/03/1980 | CA1078605A1 Percussion tool |
| 05/29/1980 | WO1980001091A1 Device for making drillings into the rock,soil,etc |
| 05/28/1980 | EP0011287A1 Down-the-hole drill for rock, earth or the like |
| 05/20/1980 | US4203350 Hydraulic percussive machines |
| 05/13/1980 | CA1077264A1 Driver tool |
| 04/30/1980 | EP0010532A1 Hydraulically operated impact motor |
| 04/16/1980 | EP0010075A1 A demolition tool for breaking solid materials |
| 04/08/1980 | US4196780 Hydraulic percussion drill |
| 04/02/1980 | EP0009229A1 Air hammers |
| 03/25/1980 | US4194435 Percussion mechanism |
| 03/04/1980 | CA1072859A1 Hydraulic reciprocating machines |
| 03/04/1980 | CA1072836A1 Fluid actuated percussion mechanism |
| 02/26/1980 | US4189917 Air hammer and muffler combination |
| 02/19/1980 | CA1071947A1 Pneumatic hammer drill |
| 02/19/1980 | CA1071946A1 Rock drill |
| 01/29/1980 | CA1070490A1 Percussion tool for surface stripping |
| 01/01/1980 | US4181183 Impact tool |
| 01/01/1980 | CA1069111A Drill |
| 12/25/1979 | US4179983 Hydraulic percussive machines |
| 11/13/1979 | US4174010 Rock drill |
| 11/13/1979 | CA1066228A1 Method and device for cleaning worn anode butts from igneous electrolysis tank |
| 10/30/1979 | US4172411 Hydraulic hammer |
| 10/16/1979 | US4170924 Hydraulically powered percussive apparatus |
| 10/16/1979 | CA1064464A1 Method and apparatus for breaking a hard compact material such as rock or concrete |
| 10/09/1979 | USRE30109 Hydroacoustic apparatus and valving mechanisms for use therein |
| 09/25/1979 | CA1063094A1 Extension rods used in percussive drilling |
| 09/25/1979 | CA1062989A1 Hammer |
| 09/18/1979 | CA1062585A1 Hydraulic oscillatory devices |
| 09/04/1979 | US4166507 Percussive drilling apparatus |
| 09/04/1979 | CA1061679A1 Hydraulic impact tool |
| 08/28/1979 | US4165788 Hydraulic percussion apparatus |
| 08/21/1979 | CA1060666A1 Pneumatic impact mechanism |
| 07/31/1979 | CA1059405A1 Hydraulic percussive devices |
| 07/24/1979 | US4161989 Reciprocating hydraulic motors |
| 07/24/1979 | CA1059008A1 Impact tool |
| 07/10/1979 | US4160486 Pneumatic impact mechanism |
| 07/10/1979 | CA1058057A1 Device for a hydraulically driven percussion hammer |
| 06/26/1979 | US4159040 Pneumatic percussion tool |
| 06/19/1979 | CA1056668A2 Pneumatic hammer |
| 06/19/1979 | CA1056667A1 Percussive tool |
| 06/05/1979 | US4157121 Hydraulic powered rock drill |
| 05/29/1979 | CA1055477A1 Rock drill |
| 05/22/1979 | US4155287 Hydraulically operated impact devices |
| 04/24/1979 | US4150603 Fluid operable hammer |
| 04/24/1979 | CA1053118A1 Hammer |
| 04/24/1979 | CA1053117A1 Universal hydraulic impact tool |
| 04/24/1979 | CA1053116A2 Hammer |
| 04/17/1979 | US4149602 Hydraulically-operated percussive device |
| 04/10/1979 | CA1052201A1 Pneumatic percussion tool having a vibration dampened handle |
| 03/22/1979 | WO1979000131A1 Fluid operable impactor |
| 03/13/1979 | US4143585 Impact tool |
| 03/13/1979 | CA1050393A1 Hydraulic rotary-percussive machines |
| 03/13/1979 | CA1050368A1 Vibration attenuating device |
| 03/06/1979 | US4142447 Hydraulic actuator |
| 02/13/1979 | US4138779 Process and device for mounting a fastening element to a composite panel |
| 02/13/1979 | CA1048372A1 Device for damping the recoil of a work tool connected to a percussion tool |
| 02/13/1979 | CA1048371A1 Hydraulic rock drill |
| 02/06/1979 | CA1047883A1 Hydraulically driven striking device |
| 01/23/1979 | CA1046897A1 Impact tools |
| 01/16/1979 | US4134193 Surface-cleansing tool |
| 01/09/1979 | US4133394 Percussion tool |
| 01/09/1979 | CA1045939A1 Hydraulic percussive-rotary machine |
| 12/12/1978 | CA1044117A1 Hydraulic flow divider for a mining vehicle |
| 11/21/1978 | CA1042760A1 Rotary and percussive devices |
| 11/14/1978 | CA1042312A1 Hydraulic percussive machines |
| 10/24/1978 | US4121672 Reversing pneumatic percussive device |
| 10/24/1978 | US4121499 Switching mechanism |
| 10/24/1978 | CA1040971A1 Hydraulic percussive machine |
| 10/17/1978 | CA1040493A1 Fluid pressure operated impact mechanism |
| 10/10/1978 | US4119505 Process and device for cleaning the butts of worn anodes from an igneous electrolysis cell |
| 10/03/1978 | US4117764 Vibration attenuating device |
| 09/26/1978 | CA1039131A1 Safety inlet air valve control arrangement for air powered hand held tool |
| 09/19/1978 | US4114950 Method and apparatus for breaking a hard compact material such as rock or concrete |
| 09/19/1978 | CA1038725A1 Hydraulic percussion device |
| 09/05/1978 | US4111269 Hydraulically-powered impact tool |
| 09/05/1978 | CA1037821A2 Hydraulic rock drill system |
| 09/05/1978 | CA1037799A1 Reversible pneumatic percussive device for making holes in ground by compaction |
| 09/05/1978 | CA1037798A1 Percussion machine |
| 08/29/1978 | US4109734 Percussion machine |
| 08/29/1978 | CA1037352A1 Impact tool |
| 08/29/1978 | CA1037325A1 Rock drill |
| 08/08/1978 | US4105080 Air hammer with blow-out air system |
| 08/01/1978 | US4103746 Rotary and percussive devices |
| 08/01/1978 | US4103591 Device for a hydraulically driven percussion hammer |
| 07/25/1978 | US4102534 Pneumatic hammer |
| 07/04/1978 | US4098351 Hammer tool |
| 07/04/1978 | US4098171 Pneumatic piston apparatus |
| 07/04/1978 | CA1034111A1 Hammer drills |
| 06/13/1978 | US4094365 Electrohydraulically operated portable power tool |
| 05/16/1978 | US4089380 Hammer having fluid biased work member |
| 05/09/1978 | US4088062 Fluid pressure operated impact mechanism |
| 04/18/1978 | US4084486 Hydraulically driven striking device |
| 04/04/1978 | US4082471 Universal hydraulic impact tool |
| 03/07/1978 | US4077304 Impact tools |