Frank M Graczyk

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignees: Electro-Motive Diesel, Inc., Gm Global Technolgoy Operations, Inc., Progress Rail Locomotive Inc.. Active years: 2005-2019.

USPTO Granted Patents = 5 (Patent Applications = 1)

% Patents Active = 100.0

Average Co-Inventor Count = 4.3

ph-index = 3

Forward Citations = 26(Granted Patents)

Company Filing History:

3 out of 244

Electro-Motive Diesel, Inc.

patents

1 out of 31,844

Gm Global Technolgoy Operations, Inc.

patents

1 out of 90

Progress Rail Locomotive Inc.

patents

Years Active: 2005-2019

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10359112 - Piston ring set for internal combustion engine and system and method thereof (2019-07-23),

2. 7370627 - Optimized low emission two-stroke internal combustion diesel engine (2008-05-13),

3. 7311086 - Low emission fuel efficient diesel locomotive engine including a piston having a toroidal surface (2007-12-25),

4. 7025031 - Low emission fuel efficient diesel locomotive engine including a piston having a toroidal surface (2006-04-11),

5. 6866028 - Emission reduction kit for EMD diesel engines (2005-03-15),

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1 patent pending:

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1 patent pending (EPO):

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