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Inventor

Johannes Wilhelmus Henricus van Rijzingen

Inventor
Oosterhout, NL

Overview

5→
Patents
1994–2013
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 5 as inventor

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

E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
8,356,674'Tubular running tool and methods of use'20137,762,343'Apparatus and method for handling pipe'20106,915,857'Non-seize material attachment for a drill slip system'20056,758,280'Non-seize material attachment for a drill slip system'20045,340,182'Safety elevator'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2010Patents assigned to VARCO INT (4)· patent assignee history
1994–2013Based in Oosterhout, NL· patent location history
2013Patents assigned to CARDELLINI DAVID (1)· patent assignee history
2013Patents assigned to DE KEIJZER NEILS (1)· patent assignee history
2013Patents assigned to DEKKER PIETER (1)· patent assignee history
2013Patents assigned to KRIJNEN ANTONIUS DIMPHENA MARIA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VARCO INT41994–2010
CARDELLINI DAVID12013
DE KEIJZER NEILS12013
DEKKER PIETER12013
KRIJNEN ANTONIUS DIMPHENA MARIA12013
Locations
LocationPatentsSpan
Oosterhout, NL51994–2013