Inventor

Franz Marketz

Inventor
Rijswijk, NL

Overview

3→
Patents
2002–2006
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 drilling75%
Y10TTechnical subjects covered by former us classification25%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2006Patents assigned to SHELL OIL CO (3)· patent assignee history
2002–2006Based in Rijswijk, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHELL OIL CO32002–2006
Locations
LocationPatentsSpan
Rijswijk, NL32002–2006