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CPC
B25D2250/281
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Parent Industries
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PERFORMING OPERATIONS TRANSPORTING
B25
Hand tools
B25D
PERCUSSIVE TOOLS
B25D2250/00
General details of portable percussive tools Components used in portable percussive tools
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B25D2250/281
Double motors
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Patents Grants
last 30 patents
Information
Patent Grant
Power tool having two motors
Patent number
12,172,279
Issue date
Dec 24, 2024
Hilti Aktiengesellschaft
Maximilian Knyrim
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Hydraulic rotator converter for a hydraulic impact hammer and method
Patent number
9,670,729
Issue date
Jun 6, 2017
JW Tooling, LLC
Wayne T. Kuzma
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Pneumatic-spring percussion mechanism with a variable rotary drive
Patent number
8,534,376
Issue date
Sep 17, 2013
Wacker Neuson Produktion GmbH & Co. KG
Helmut Braun
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Concrete drill
Patent number
7,308,949
Issue date
Dec 18, 2007
Max Co., Ltd.
Kigen Agehara
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Concrete drill
Patent number
7,204,321
Issue date
Apr 17, 2007
Max Co., Ltd.
Kigen Agehara
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Drilling device for a rock drill
Patent number
5,415,240
Issue date
May 16, 1995
SIG Schweizerische Industrie-Gesellschaft
Marjan Mundjar
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Apparatus for driving a drilling or percussion tool
Patent number
5,113,951
Issue date
May 19, 1992
Emerson Electric Company
J. P. Houben
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for driving a drilling or percussion tool
Patent number
5,052,497
Issue date
Oct 1, 1991
Emerson Electric Company
J. P. Houben
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Hammer drill with separate and interconnectable drive means
Patent number
4,732,218
Issue date
Mar 22, 1988
Hilti Aktiengesellschaft
Anton Neumaier
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Percussion drill machine
Patent number
4,462,467
Issue date
Jul 31, 1984
Hilti Aktiengesellschaft
Bernhard Weingartner
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Patents Applications
last 30 patents
Information
Patent Application
Power tool having two motors
Publication number
20240009822
Publication date
Jan 11, 2024
HILTI AKTIENGESELLSCHAFT
Maximilian KNYRIM
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
PNEUMATIC-SPRING PERCUSSION MECHANISM WITH A VARIABLE ROTARY DRIVE
Publication number
20110127055
Publication date
Jun 2, 2011
Wacker Neuson SE
Helmut Braun
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Concrete drill
Publication number
20070033811
Publication date
Feb 15, 2007
Max Co., Ltd.
Kigen Agehara
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Concrete drill
Publication number
20050217900
Publication date
Oct 6, 2005
Kigen Agehara
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS