Patents for B27B 17 - Chain saws; Equipment therefor (3,324)
03/1991
03/19/1991US4999917 Chain saw extension structure
03/13/1991CA2025225A1 Power-driven cutting tools
03/05/1991US4996774 Guide bar for the saw chain of a motor-driven chain saw and a method and apparatus for producing the same
03/05/1991US4996773 Portable
02/1991
02/21/1991WO1991001859A1 Chain drive device and methods of forming same
02/20/1991EP0304457B1 Saw trestle
02/19/1991US4993865 Flywheel mounting device for internal combustion engine
02/05/1991US4989323 Portable power unit for various power tolls
01/1991
01/22/1991US4986252 Concrete walls
01/22/1991US4985997 Chain saw attachment
01/18/1991CA2021341A1 Drive sprocket for chain saws
01/17/1991DE3921752A1 Angle grinder machine - has detachable handle with spring-loaded ends to clip on to machine
01/15/1991US4984371 Chain saw log gauge for obtaining firewood logs of uniform length
01/15/1991CA1278982C Sawbuck
01/01/1991US4981129 Chain saw
12/1990
12/25/1990US4979306 Power working machine
12/19/1990EP0205620B1 Chain saw
12/18/1990CA1278025C Torque limiting arrangement in an i.c. engine
12/12/1990EP0401309A1 Chain guide for chain saw
12/11/1990US4976246 Fuel-injection pump arrangement for a two-stroke engine of a handheld portable tool
12/05/1990EP0400768A1 Chain saw
12/04/1990US4974325 Portable, motor driven cutting device, especially motor saw, hedge-shears or similar
11/1990
11/30/1990CA2005956A1 Integral dust cover and pump drive
11/20/1990US4971022 Cutting chain for aggregate materials
11/20/1990US4970993 Portable handheld motor tool having a one-piece fan housing
11/20/1990US4970789 Sprocket nose guide bar for chain saws
10/1990
10/30/1990US4965934 Laminated guidebar
10/25/1990DE4012697A1 Safety switch for hand held power tool e.g. chain saw - has push button interlock that must be operated to release switch
10/24/1990EP0393907A1 Safety control unit
10/23/1990US4964217 Handle for a chain saw
10/18/1990DE4011929A1 Powder-driven chain saw - has connecting plate with main drive connector attached to grip frame
10/17/1990CA2014577A1 Handlebar control unit
10/09/1990US4961263 Guide bar of solid material for the saw chain of a motor chain saw
10/02/1990US4959906 Safety device for chain saws
09/1990
09/25/1990US4958670 Tree felling apparatus
09/19/1990EP0387562A1 Guide bar for power-driven chain saws
09/18/1990US4956918 Guide bar for the saw chain of a motor-driven chain saw
09/08/1990CA2010694A1 Method and apparatus for preparing skived belting
08/1990
08/28/1990US4951398 Measuring and guiding attachment for a chain saw
08/21/1990US4949818 Brake band for bringing the saw chain of a motor-driven chain saw to standstill
08/21/1990US4949613 Cutting of materials
08/21/1990CA1273036A1 Log holder
08/14/1990US4947550 Guidebar with oil channels
08/07/1990US4945641 Chain saw safety guard
08/07/1990US4945637 Power-driven chain saw
07/1990
07/26/1990WO1990007870A1 Arrangement in guide bars
07/10/1990US4939842 Casing for a power driven chain saw
07/06/1990CA2007183A1 Power-driven chain saw
07/03/1990US4938660 Pump for viscous fluids
07/03/1990US4937943 Power chain saw unit for cutting notches in a series of wooden roof rafters
06/1990
06/26/1990US4936362 Firewood clean out apparatus
06/26/1990US4936271 Portable powered working machine
06/01/1990CA2004217A1 Laminated guidebar
05/1990
05/29/1990US4928390 Chain saw
05/15/1990US4924577 Chainsaw guidebar
05/15/1990US4924571 Arm controlled power cutter
05/09/1990EP0269668B1 Anti-jamming device for chain saws
05/01/1990US4920947 Chain saw components and system for cutting masonry and the like
05/01/1990US4920650 At the saw sword of a chain saw
05/01/1990US4920649 Arrangement in a chain saw
05/01/1990CA1268401A1 Guide bar for a saw chain of a motor-driven chain saw
05/01/1990CA1268400A1 Chain saw having a handle
04/1990
04/17/1990US4916818 Long reach tree trimmer
04/11/1990EP0290483B1 Housing for motor-driven chain saws
04/10/1990US4915317 Web winding apparatus having an automatic chain cutter tensioner and related method
04/03/1990US4913425 Portable sawbuck
04/03/1990US4913412 Rack
04/03/1990US4912848 Power tool handle
03/1990
03/22/1990WO1990002624A1 Chain saw attachment
03/20/1990CA1266806A1 Arrangement for inlet of cooling and combustion air in a motor saw
03/14/1990EP0358112A1 Cutter jib for cutting machines for cutting rock, concrete, etc.
03/06/1990US4905948 Continuous loop chain support apparatus
02/1990
02/27/1990US4903655 Membrane fuel pump with pulse dampener
02/27/1990US4903410 Guide bar for a chain saw
02/20/1990US4901691 Device for mounting internal combustion engine on working machine
02/06/1990US4898039 Throttle lever holding device
01/1990
01/30/1990US4896648 Guide rail and link chain for chain saw
01/30/1990US4896426 Vibration-isolating attachment means for handle of chain-saw
01/30/1990US4896425 Arrangement of a throttle control on a motor saw
01/18/1990DE3821874A1 Chain saw
01/16/1990US4893407 Integral dust cover and pump drive
01/10/1990CN2050793U Internal radiating electric chain saw with handle being able to heat
01/08/1990EP0330689A4 Chain saw for pruning trees and shrubs.
01/02/1990US4890952 Sawbuck construction and bracket
01/02/1990US4890595 Motor-driven chain saw having an arrangement for preheating fresh intake air
12/1989
12/28/1989WO1989012537A1 Chain guide for chain saw
12/27/1989EP0347869A1 Portable motor-driven cutting tool, such as a chain saw or hedge trimmer
12/26/1989US4889215 Anti-overload centrifugal clutch
12/26/1989US4888872 Chain saw attachment
12/19/1989US4887357 Articulated endless-band saw blade and support therefor
12/12/1989US4885843 Laminated guide bar for chain saws having foam core
12/07/1989DE3915293A1 Saw for pruning standing trees and for thinning work
12/05/1989US4884340 Chain saw attachment for lawn trimmer
11/1989
11/29/1989EP0343870A1 A workpiece clamping device
11/29/1989EP0343656A2 Vibration free handle
11/28/1989US4882844 Chain saw safety brake apparatus
11/07/1989CA1262691A1 Device for braking the saw chain of a portable power saw
10/1989
10/31/1989US4876797 Reduced vibration portable gas operated hand saw
10/31/1989US4876796 Sprocket assembly for chain saws
10/24/1989US4875384 Throttle lever mechanism
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