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Inventor

Douglas Walton

Inventor
Aurora, OR, US

Overview

2→
Patents
1980–2009
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B05Bprimary
B05BSpraying apparatus20%
B08BCleaning in general20%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general20%
E02BHydraulic engineering20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
7,557,699'Indicator light system for towed objects'20094,205,694'Apparatus for cleaning and descaling pipe lines'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to WALTON MOLE CO (1)· patent assignee history
1980Based in Newby, GB· patent location history
2009Patents assigned to WALTON DOUGLAS H (1)· patent assignee history
2009Based in Aurora, OR, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WALTON DOUGLAS Hself12009
WALTON MOLE CO11980
Locations
LocationPatentsSpan
Aurora, OR, US12009
Newby, GB11980