Inventor

DeWayne B. Williams

Inventor

Lafayette, IN, US

Overview

9→

Patents

1993–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 9 as inventor

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

B61Dprimary

B61DBody details or kinds of railway vehicles36%

B62DMotor vehicles27%

B60PVehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects18%

B60GVehicle suspension arrangements9%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers9%

PatentTitleYear

10,625,651End dump trailer and modular extrusions therefor2020 7,704,026'Composite panel trailer sidewall with additional logistics slots'2010 7,152,912'Composite panel trailer sidewall construction'2006 6,338,513'Multi-component lifting assembly for a container'2002 5,832,836'Modular articulated railcar'1998 5,685,228'Bi-tri-level deck system for a railcar'1997 5,622,115'Modular articulated railcar'1997 5,601,033'Door structure for a railcar in an articulated train'1997 5,209,518'Dual-stage tapered leaf spring for a trailer'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to DETROIT STEEL PRODUCTS CO INC (1)· patent assignee history

1993Based in Kewanna, IN, US· patent location history

1997–1998Patents assigned to WABASH NATIONAL CORP (4)· patent assignee history

1997–2010Based in Lafayette, IN, US· patent location history

2002Patents assigned to WABASH TECHNOLOGY CORP (1)· patent assignee history

2006–2010Patents assigned to VANGUARD NAT TRAILER CORP (2)· patent assignee history

2020Patents assigned to HICKS MFG LLC (1)· patent assignee history

2020Based in Minden, LA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WABASH NATIONAL CORP	4	1997–1998
VANGUARD NAT TRAILER CORP	2	2006–2010
DETROIT STEEL PRODUCTS CO INC	1	1993
HICKS MFG LLC	1	2020
WABASH TECHNOLOGY CORP	1	2002

Locations

Location	Patents	Span
Lafayette, IN, US	7	1997–2010
Minden, LA, US	1	2020
Kewanna, IN, US	1	1993