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Inventor

Ralph H. Schorr

Inventor
Lawrenceville, GA, US

Overview

14→
Patents
1997–2011
Patent span
Performing operations
Primary field (CPC B)

Patents· 14 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B61Dprimary
B61DBody details or kinds of railway vehicles42%
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles32%
F16FSprings11%
B22CFoundry moulding5%
B22DCasting of metals5%
B62DMotor vehicles5%
PatentTitleYear
7,926,428'Railway truck with bearing adapter'20117,527,003'Railroad freight car sidebearing'20097,278,359'Railway car for transporting semi-trucks'20077,275,488'Auto rack railway car'20077,174,837'Three-piece motion control truck system'20077,121,212'Ride control constant contact side bearing arrangement'20066,935,245'Railway car for transporting semi-trucks'20056,823,800'Spring seat for a railway truck sideframe and method of making the same'20046,644,214'Constant contact side bearing'20036,339,994'Railcar with trackless support for radial end door'20026,289,822'Auto rack railway car'20015,787,816'Auto rack side panel assembly'19985,765,486'Auto rack railway car'19985,657,698'Pivot plate assembly for articulated railway cars'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2002Patents assigned to THRALL CAR MFG CO (5)· patent assignee history
1997–2007Based in Lawrenceville, GA, US· patent location history
2003–2009Patents assigned to ASF KEYSTONE INC (4)· patent assignee history
2003Based in Granite City, IL, US· patent location history
2004–2009Based in Edwardsville, IL, US· patent location history
2005Patents assigned to TRN BUSINESS TRUST (1)· patent assignee history
2007Patents assigned to TRINITY IND INC (2)· patent assignee history
2011Patents assigned to AMSTED RAIL CO INC (1)· patent assignee history
2011Based in Madison, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
THRALL CAR MFG CO51997–2002
ASF KEYSTONE INC42003–2009
TRINITY IND INC22007
AMSTED RAIL CO INC12011
TRN BUSINESS TRUST12005
Locations
LocationPatentsSpan
Lawrenceville, Georgia, US81997–2007
Edwardsville, Illinois, US42004–2009
Madison, Illinois, US12011
Granite City, Illinois, US12003