John Ernst Madsen

USPTO Granted Patents = 4 (Patent Applications = 2)

Average Co-Inventor Count = 2.2

ph-index = 4

Forward Citations = 85(Granted Patents)

Company Filing History:

3 out of 30,963

Gm Global Technolgoy Operations, Inc.

patents

1 out of 244

Electro-motive Diesel, Inc.

patents

Years Active: 1977-2005

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6930490 - Traction motor fault detection system (2005-08-16),

2. 6634303 - Locomotive wheel slip control and method (2003-10-21),

3. 4609862 - Twin winding three-phase alternator with zero slot coupling (1986-09-02),

4. 4041338 - Direct current dynamoelectric machine commutating pole assembly (1977-08-09),

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2 patents pending:

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