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H01R39/022

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HELECTRICITY H01Electric elements H01RLINE CONNECTORS CURRENT COLLECTORS H01R39/00Rotary current collectors, distributors, or interrupters

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H01R39/022characterised by the materials used

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Patents Grantslast 30 patents

Information Patent Grant
Discharge device
- Patent number 10,819,195
- Issue date Oct 27, 2020
- Schunk Transit Systems GmbH
- Daniel Pfeffer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Commutator and brush materials for small electric motor, clad compo...
- Patent number 7,876,017
- Issue date Jan 25, 2011
- Mabuchi Motor Co., Ltd.
- Keiji Nakamura
- C21 - METALLURGY OF IRON
Information Patent Grant
Joined structures of metal terminals and ceramic members, joined st...
- Patent number 6,869,689
- Issue date Mar 22, 2005
- NGK Insulators, Ltd.
- Tomoyuki Fujii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Joined structures of metal terminals and ceramic members, joined st...
- Patent number 6,756,132
- Issue date Jun 29, 2004
- NGK Insulators, Ltd.
- Tomoyuki Fujii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sliding current collector made of ceramics
- Patent number 5,208,502
- Issue date May 4, 1993
- Hitachi, Ltd.
- Nobuyuki Yamashita
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CARBON BRUSH UNIT FOR A DIRECT CURRENT-EXCITED BRUSHED MOTOR WITH T...
- Publication number 20200373719
- Publication date Nov 26, 2020
- C/O NIDEC MOTORS & ACTUATORS (GERMANY) GMBH
- Markus SCHOEBERL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISCHARGE DEVICE
- Publication number 20180091027
- Publication date Mar 29, 2018
- Schunk Bahn- und Industrietechnik GmbH
- Daniel Pfeffer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Aligned Carbon Nanotube Bulk Structure Having Portions Different in...
- Publication number 20090214816
- Publication date Aug 27, 2009
- Kenji Hata
- B82 - NANO-TECHNOLOGY
Information Patent Application
Commutator and brush materials for small electric motor, clad compo...
- Publication number 20060255680
- Publication date Nov 16, 2006
- Keiji Nakamura
- C21 - METALLURGY OF IRON
Information Patent Application
Joined structures of metal terminals and ceramic members, joined st...
- Publication number 20040209108
- Publication date Oct 21, 2004
- NGK Insulators, Ltd.
- Tomoyuki Fujii
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Joined structures of metal terminals and ceramic members, joined st...
- Publication number 20020139563
- Publication date Oct 3, 2002
- NGK Insulators, Ltd.
- Tomoyuki Fujii
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES