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Inventor

Helmut Helbig

Inventor
Lengerich, DE

Overview

3→
Patents
1981–2000
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B29Cprimary
B29CShaping or joining of plastics20%
B41FPrinting machines or presses20%
F26BDrying solid materials or objects by removing liquid therefrom20%
G06FElectric digital data processing20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
6,061,688'Geographical system for accessing data'20004,502,228'Apparatus for drying printed or coated webs'19854,246,212'Method and apparatus for optimizing the output of a blown film extruder plant by means of a process computer'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1985Patents assigned to WINDMOELLER & HOELSCHER (2)· patent assignee history
1981–1985Based in Lengerich, DE· patent location history
2000Patents assigned to MARATHON OIL CO (1)· patent assignee history
2000Based in League City, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WINDMOELLER & HOELSCHER21981–1985
MARATHON OIL CO12000
Locations
LocationPatentsSpan
Lengerich, DE21981–1985
League City, Texas, US12000