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Inventor

William G. Riel

Inventor
Wooster, OH, US

Overview

3→
Patents
2006–2011
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 3 as inventor

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

E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
8,033,345'Apparatus and method for a drilling assembly'20117,318,491'Apparatus and method for modified horizontal directional drilling assembly'20087,152,700'Dual wall drill string assembly'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006Patents assigned to TORQUELOCK CORP (1)· patent assignee history
2006–2011Based in Wooster, OH, US· patent location history
2008–2011Patents assigned to ASTEC IND (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASTEC IND22008–2011
TORQUELOCK CORP12006
Locations
LocationPatentsSpan
Wooster, OH, US32006–2011