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Class Information
Number: 30/381
Name: Cutlery > Cutting tools > Saw > Chain
Description: Device wherein the saw member comprises a plurality of cutter elements pivotally interconnected with one another forming a closed loop, said loop being wrapped about guide means, and including means for moving said loop through the path defined by said guide means.










Sub-classes under this class:

Class Number Class Name Patents
30/382 With guard means 167
30/383 With guide bar for cutting span 244


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8701792 Pre-assemblable arrangement Apr. 22, 2014
8672305 Work apparatus Mar. 18, 2014
8668025 Hand-guided work apparatus Mar. 11, 2014
8661951 Hand-guided power tool Mar. 4, 2014
8661694 Portable hand-held power tool Mar. 4, 2014
8627899 Handle portion of a hand-held motor-driven tool Jan. 14, 2014
8627572 Coasting brake arrangement for a power tool Jan. 14, 2014
8601919 Method of braking a chain saw Dec. 10, 2013
8595943 Torque-limited chain tensioning for power tools Dec. 3, 2013
8579041 Safety device for portable tools with a heat engine, capable of stopping the operation thereof after sudden, violent movements Nov. 12, 2013
8550043 Two-stroke engine and motorized implement equipped with the two-stroke engine Oct. 8, 2013
8539681 Manually guided implement Sep. 24, 2013
8499463 Saw box for preventing chain shot from a broken sawchain Aug. 6, 2013
8490289 Handle joined of two sections for a hand held engine powered tool Jul. 23, 2013
8434236 Chain saw with tension adjustment May. 7, 2013
8398640 Volume measuring intervertebral tool system and method Mar. 19, 2013
8397691 Work apparatus with internal combustion engine Mar. 19, 2013
8359957 Method of increasing chain saw speed while regulating feed Jan. 29, 2013
8322385 Double chain saw arrangement for trail clearing Dec. 4, 2012
8302567 Cooling air passage for a motor chain saw Nov. 6, 2012
8286359 Battery operated chain saw Oct. 16, 2012
8256335 Bi-directional chainsaw chain Sep. 4, 2012
8225514 Manually guided implement Jul. 24, 2012
8210134 Chain saw Jul. 3, 2012
8176643 Brake system of chain saw and chain saw May. 15, 2012
8156654 Chain saw attachment for unobstructed brush cutting Apr. 17, 2012
8136254 Split power tool with extension Mar. 20, 2012
8136256 Motor chain saw Mar. 20, 2012
8096216 Chain-type flexible cutting edge Jan. 17, 2012
8069575 Vegetation pruning device Dec. 6, 2011
8065805 Vegetation pruning device Nov. 29, 2011
8060986 Chain saw handle apparatus Nov. 22, 2011
8020304 Power transmission assembly for tool mounted on an elongate pole Sep. 20, 2011
7946040 Chainsaw May. 24, 2011
7941930 Hand-held power tool May. 17, 2011
7905261 Cover arrangement for a housing of a hand-held power tool Mar. 15, 2011
7900536 Chain saw sharpener with composite wiskar Mar. 8, 2011
7891279 Shear resistant rivet and saw chain Feb. 22, 2011
7866048 Power hand tool Jan. 11, 2011
7806107 Hand-held power tool Oct. 5, 2010
7784440 Combustion engine with a priming pump Aug. 31, 2010
7770553 Manual working machine Aug. 10, 2010
7640669 Assisted braking in chain saws Jan. 5, 2010
7631430 Guide bar for a chain saw Dec. 15, 2009
7571776 Antivibration unit of a portable handheld work apparatus Aug. 11, 2009
7516688 Saw chains having hardened cutting elements Apr. 14, 2009
7513048 Chain saw attachment for a hand drill Apr. 7, 2009
7484300 Extensible pole saw having separable sections Feb. 3, 2009
7458162 Device for a portable tool Dec. 2, 2008
7424879 Portable handheld work apparatus Sep. 16, 2008

1 2 3 4 5 6










 
 
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